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<mods:title id="15C3A7180D16F0541A7E0B55B39DC9AC">Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification</mods:title>
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Review of
<taxonomicName id="4C304D027D06FFADFEA4F8F7FE46F88A" ID-CoL="62JNJ" ID-ENA="876122" box="[281,429,1832,1858]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D06FFADFEA4F8F7FE46F88A" bold="true" box="[281,429,1832,1858]" italics="true" pageId="23" pageNumber="424">Bythaelurus</emphasis>
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species
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<paragraph id="8B8F36817D06FFA2FF2AF8B0FE82FF1D" blockId="23.[151,1436,1903,2037]" lastBlockId="24.[151,1437,151,1977]" lastPageId="24" lastPageNumber="425" pageId="23" pageNumber="424">
The 12 (including
<taxonomicName id="4C304D027D06FFADFED4F8AEFE2CF840" box="[361,455,1904,1928]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="species" species="bachi" status="sp. nov.">
<emphasis id="B944EA937D06FFADFED4F8AEFE2CF840" box="[361,455,1904,1928]" italics="true" pageId="23" pageNumber="424">B. bachi</emphasis>
</taxonomicName>
<emphasis id="B944EA937D06FFADFE72F8AFFDE4F840" bold="true" box="[463,527,1904,1928]" pageId="23" pageNumber="424">
<taxonomicNameLabel id="A27757E87D06FFADFE72F8AFFDE4F840" box="[463,527,1904,1928]" pageId="23" pageNumber="424" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
) currently valid species of
<taxonomicName id="4C304D027D06FFADFCF8F8AFFC27F840" box="[837,972,1904,1928]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D06FFADFCF8F8AFFC27F840" box="[837,972,1904,1928]" italics="true" pageId="23" pageNumber="424">Bythaelurus</emphasis>
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are found in water deeper than
<quantity id="4CC89B647D06FFADFA8AF8AFFA95F84F" box="[1335,1406,1904,1928]" metricMagnitude="2" metricUnit="m" metricValue="2.0" pageId="23" pageNumber="424" unit="m" value="200.0">200 m</quantity>
in the Indian and Pacific Oceans (
<bibRefCitation id="EFA14B707D06FFADFE4FF84BFD5BF865" author="Weigmann" box="[498,688,1940,1965]" pageId="23" pageNumber="424" refString="Weigmann, S. (2016) Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3), 837 - 1037. http: // dx. doi. org / 10.1111 / jfb. 12874" type="journal article" year="2016">Weigmann 2016</bibRefCitation>
). Geographically, the western Indian Ocean appears to be a hotspot of
<taxonomicName id="4C304D027D06FFADFF08F867FED6F818" box="[181,317,1976,2000]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D06FFADFF08F867FED6F818" box="[181,317,1976,2000]" italics="true" pageId="23" pageNumber="424">Bythaelurus</emphasis>
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species diversity with seven of the 12 currently valid species occurring in this area. Six of the seven species, i.e.
<taxonomicName id="4C304D027D06FFADFE91F802FE40F83C" box="[300,427,2012,2036]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D06FFADFE91F802FE40F83C" box="[300,427,2012,2036]" italics="true" pageId="23" pageNumber="424">B. alcockii</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D06FFADFE02F802FDC8F83C" box="[447,547,2012,2036]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="species" species="bachi" status="sp. nov.">
<emphasis id="B944EA937D06FFADFE02F802FDC8F83C" box="[447,547,2012,2036]" italics="true" pageId="23" pageNumber="424">B. bachi</emphasis>
</taxonomicName>
<emphasis id="B944EA937D06FFADFD8CF803FD9DF83C" bold="true" box="[561,630,2012,2036]" pageId="23" pageNumber="424">
<taxonomicNameLabel id="A27757E87D06FFADFD8CF803FD9DF83C" box="[561,630,2012,2036]" pageId="23" pageNumber="424" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
,
<taxonomicName id="4C304D027D06FFADFD36F802FD1FF83C" box="[651,756,2012,2036]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="species" species="clevai">
<emphasis id="B944EA937D06FFADFD36F802FD1FF83C" box="[651,756,2012,2036]" italics="true" pageId="23" pageNumber="424">B. clevai</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D06FFADFCB4F802FC6EF83C" box="[777,901,2012,2036]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D06FFADFCB4F802FC6EF83C" box="[777,901,2012,2036]" italics="true" pageId="23" pageNumber="424">B. lutarius</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D06FFADFC27F802FBFAF83C" box="[922,1041,2012,2036]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="species" species="naylori">
<emphasis id="B944EA937D06FFADFC27F802FBFAF83C" box="[922,1041,2012,2036]" italics="true" pageId="23" pageNumber="424">B. naylori</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D06FFADFBE8F802FAFCF83C" box="[1109,1303,2012,2036]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="23" pageNumber="424" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="B944EA937D06FFADFBE8F802FAFCF83C" box="[1109,1303,2012,2036]" italics="true" pageId="23" pageNumber="424">B. tenuicephalus</emphasis>
</taxonomicName>
, are found exclusively in this area, whereas the seventh species,
<taxonomicName id="4C304D027D09FFA2FCB9FF46FC68FF78" box="[772,899,152,176]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D09FFA2FCB9FF46FC68FF78" box="[772,899,152,176]" italics="true" pageId="24" pageNumber="425">B. hispidus</emphasis>
</taxonomicName>
, is also known from the eastern Indian Ocean (
<bibRefCitation id="EFA14B707D09FFA2FF23FF63FEB6FF1D" author="Weigmann" box="[158,349,188,213]" pageId="24" pageNumber="425" refString="Weigmann, S. (2016) Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3), 837 - 1037. http: // dx. doi. org / 10.1111 / jfb. 12874" type="journal article" year="2016">Weigmann 2016</bibRefCitation>
).
</paragraph>
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<materialsCitation id="3B583CDC7D09FFA2FF7AFF00FD0DFBFC" ID-GBIF-Occurrence="1417439875" collectorName="Ebert &amp; Concha &amp; McCosker &amp; Francis &amp; White &amp; Last" country="Peru" county="eastern Indian Ocean" location="The" municipality="For" pageId="24" pageNumber="425" specimenCount="3" stateProvince="South" typeStatus="holotype">
<location id="8EEF605A7D09FFA2FF7AFF00FF18FF30" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FF7AFF00FF18FF30" box="[199,243,223,248]" country="Peru" county="eastern Indian Ocean" municipality="For" name="The" pageId="24" pageNumber="425" stateProvince="South">The</location>
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species of
<taxonomicName id="4C304D027D09FFA2FE1BFF3FFDC6FF30" box="[422,557,224,248]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D09FFA2FE1BFF3FFDC6FF30" box="[422,557,224,248]" italics="true" pageId="24" pageNumber="425">Bythaelurus</emphasis>
</taxonomicName>
is
<taxonomicName id="4C304D027D09FFA2FDF0FF3EFD36FF30" box="[589,733,225,248]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D09FFA2FDF0FF3EFD36FF30" box="[589,733,225,248]" italics="true" pageId="24" pageNumber="425">B. canescens</emphasis>
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, which is known from the
<location id="8EEF605A7D09FFA2FBB4FF00FADCFF30" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FBB4FF00FADCFF30" box="[1033,1335,223,248]" country="Peru" county="eastern Indian Ocean" municipality="For" name="southeastern Pacific Ocean" pageId="24" pageNumber="425" stateProvince="South">southeastern Pacific Ocean</location>
from off
<collectingCountry id="F32776117D09FFA2FF2AFEDAFF20FED4" box="[151,203,261,284]" name="Peru" pageId="24" pageNumber="425">Peru</collectingCountry>
and
<collectingCountry id="F32776117D09FFA2FEBDFEDBFED6FED5" box="[256,317,260,285]" name="Chile" pageId="24" pageNumber="425">Chile</collectingCountry>
to the
<location id="8EEF605A7D09FFA2FE35FEDBFE24FED5" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FE35FEDBFE24FED5" box="[392,463,260,285]" country="Peru" county="eastern Indian Ocean" municipality="For" name="Straits" pageId="24" pageNumber="425" stateProvince="South">Straits</location>
of
<location id="8EEF605A7D09FFA2FE49FEDBFDB5FED5" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FE49FEDBFDB5FED5" box="[500,606,260,285]" country="Peru" county="eastern Indian Ocean" municipality="For" name="Magellan" pageId="24" pageNumber="425" stateProvince="South">Magellan</location>
(
<bibRefCitation id="EFA14B707D09FFA2FDD1FEDBFCC7FED4" author="Ebert" box="[620,812,260,285]" pageId="24" pageNumber="425" refString="Ebert, D. A., Fowler, S. &amp; Compagno, L. J. V. (2013) Sharks of the world: a fully illustrated guide to the sharks of the world. Wild Nature Press, Devon, 528 pp." type="book" year="2013">
<collectorName id="26C553577D09FFA2FDD1FEDBFD41FED5" box="[620,682,260,285]" pageId="24" pageNumber="425">Ebert</collectorName>
<emphasis id="B944EA937D09FFA2FD0CFEDAFD09FED4" box="[689,738,260,284]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2013
</bibRefCitation>
).
<location id="8EEF605A7D09FFA2FC83FEDAFCA4FED4" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FC83FEDAFCA4FED4" box="[830,847,261,284]" country="Peru" county="eastern Indian Ocean" municipality="For" name="It" pageId="24" pageNumber="425" stateProvince="South">It</location>
is a common bycatch in demersal trawl and longline fisheries in central and
<location id="8EEF605A7D09FFA2FE21FEF8FDABFE88" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FE21FEF8FDABFE88" box="[412,576,295,320]" country="Peru" county="eastern Indian Ocean" municipality="For" name="southern Chile" pageId="24" pageNumber="425" stateProvince="South">southern Chile</location>
(
<bibRefCitation id="EFA14B707D09FFA2FDF2FEF8FCC2FE88" author="Concha" box="[591,809,295,320]" pageId="24" pageNumber="425" refString="Concha, F., Bustamante, C., Oddone, M. C., Hernandez, S. &amp; Lamilla, J. (2010) Egg capsules of the dusky catshark Bythaelurus canescens (Carcharhiniformes, Scyliorhinidae) from the south-eastern Pacific Ocean. Journal of Fish Biology, 77 (4), 963 - 971. http: // dx. doi. org / 10.1111 / j. 1095 - 8649.2010.02736. x" type="journal article" year="2010">
<collectorName id="26C553577D09FFA2FDF2FEF8FD4DFE88" box="[591,678,295,320]" pageId="24" pageNumber="425">Concha</collectorName>
<emphasis id="B944EA937D09FFA2FD10FEF6FD34FE88" box="[685,735,296,320]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2010
</bibRefCitation>
).
<location id="8EEF605A7D09FFA2FC81FEF8FC83FE88" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FC81FEF8FC83FE88" box="[828,872,295,320]" country="Peru" county="eastern Indian Ocean" municipality="For" name="The" pageId="24" pageNumber="425" stateProvince="South">The</location>
species is plain dark brown or blackish above and below, has distinct labial furrows, with lowers noticeably longer than uppers, an anal-fin base length less than 1.5 times second dorsal-fin base length, matures at
<quantity id="4CC89B647D09FFA2FD7EFEB0FCDDFE4F" box="[707,822,367,392]" metricMagnitude="-1" metricUnit="m" metricValue="5.55" metricValueMax="5.9" metricValueMin="5.2" pageId="24" pageNumber="425" unit="cm" value="55.5" valueMax="59.0" valueMin="52.0">5259 cm</quantity>
TL and reaches a maximum size of
<quantity id="4CC89B647D09FFA2FB57FEAFFAD9FE4F" box="[1258,1330,368,392]" metricMagnitude="-1" metricUnit="m" metricValue="7.3" pageId="24" pageNumber="425" unit="cm" value="73.0">73 cm</quantity>
TL.
<location id="8EEF605A7D09FFA2FACCFEB0FA76FE40" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FACCFEB0FA76FE40" box="[1393,1437,367,392]" country="Peru" county="eastern Indian Ocean" municipality="For" name="The" pageId="24" pageNumber="425" stateProvince="South">The</location>
second species reported from the
<location id="8EEF605A7D09FFA2FDA7FE4BFCA5FE64" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FDA7FE4BFCA5FE64" box="[538,846,404,429]" country="Peru" county="eastern Indian Ocean" municipality="For" name="southeastern Pacific Ocean" pageId="24" pageNumber="425" stateProvince="South">southeastern Pacific Ocean</location>
is
<taxonomicName id="4C304D027D09FFA2FCCEFE4AFA73FE64" authority="McCosker, Long &amp; Baldwin, 2012" authorityName="McCosker, Long &amp; Baldwin" authorityYear="2012" box="[883,1432,404,429]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="giddingsi">
<emphasis id="B944EA937D09FFA2FCCEFE4AFC16FE64" box="[883,1021,404,428]" italics="true" pageId="24" pageNumber="425">B. giddingsi</emphasis>
<bibRefCitation id="EFA14B707D09FFA2FBBBFE4BFA73FE64" author="McCosker" box="[1030,1432,404,429]" pageId="24" pageNumber="425" refString="McCosker, J. E., Long, D. J. &amp; Baldwin, C. C. (2012) Description of a new species of deepwater catshark, Bythaelurus giddingsi sp. nov., from the Galapagos Islands (Chondrichthyes: Carcharhiniformes: Scylorhinidae). Zootaxa, 3221, 48 - 59." type="journal article" year="2012">McCosker, Long &amp; Baldwin, 2012</bibRefCitation>
</taxonomicName>
, which may be endemic to the
<location id="8EEF605A7D09FFA2FE59FE68FD5BFE18" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FE59FE68FD5BFE18" box="[484,688,439,464]" country="Peru" county="eastern Indian Ocean" municipality="For" name="Galapagos Islands" pageId="24" pageNumber="425" stateProvince="South">Galapagos Islands</location>
(
<bibRefCitation id="EFA14B707D09FFA2FD03FE68FC5DFE18" author="McCosker" box="[702,950,439,464]" pageId="24" pageNumber="425" refString="McCosker, J. E., Long, D. J. &amp; Baldwin, C. C. (2012) Description of a new species of deepwater catshark, Bythaelurus giddingsi sp. nov., from the Galapagos Islands (Chondrichthyes: Carcharhiniformes: Scylorhinidae). Zootaxa, 3221, 48 - 59." type="journal article" year="2012">
<collectorName id="26C553577D09FFA2FD03FE68FCDFFE18" box="[702,820,439,464]" pageId="24" pageNumber="425">McCosker</collectorName>
<emphasis id="B944EA937D09FFA2FC86FE66FC81FE18" box="[827,874,440,464]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2012
</bibRefCitation>
).
<location id="8EEF605A7D09FFA2FC75FE67FC32FE07" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FC75FE67FC32FE07" box="[968,985,440,463]" country="Peru" county="eastern Indian Ocean" municipality="For" name="It" pageId="24" pageNumber="425" stateProvince="South">It</location>
is distinguishable from all congeners by having very few tooth rows per jaw (2026 vs. 53111) and its striking coloration: chocolate brown dorsally with pale spots, the largest being about equal in size to eye diameter above midline, smaller below; posterior margin of dorsal, pectoral, and pelvic fins pale; ventral surface pale.
<location id="8EEF605A7D09FFA2FCFBFDFBFC3EFDF5" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FCFBFDFBFC3EFDF5" box="[838,981,548,573]" country="Peru" county="eastern Indian Ocean" municipality="For" name="Additionally" pageId="24" pageNumber="425" stateProvince="South">Additionally</location>
, it has a dorsal caudal-fin margin with prominent crest of comb-like dermal denticles.
<location id="8EEF605A7D09FFA2FD0FFD97FD04FD97" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FD0FFD97FD04FD97" box="[690,751,584,607]" country="Peru" county="eastern Indian Ocean" municipality="For" name="From" pageId="24" pageNumber="425" stateProvince="South">From</location>
the
<location id="8EEF605A7D09FFA2FC9CFD97FBCAFDA8" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FC9CFD97FBCAFDA8" box="[801,1057,583,608]" country="Peru" county="eastern Indian Ocean" municipality="For" name="western Pacific Ocean" pageId="24" pageNumber="425" stateProvince="South">western Pacific Ocean</location>
, two species have been recorded,
<taxonomicName id="4C304D027D09FFA2FF2AFDB2FEFEFD4C" box="[151,277,620,644]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D09FFA2FF2AFDB2FEFEFD4C" box="[151,277,620,644]" italics="true" pageId="24" pageNumber="425">B. dawsoni</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D09FFA2FEEDFDB2FCEAFD4C" authority="Chu &amp; Meng, 1982" authorityName="Chu &amp; Meng" authorityYear="1982" box="[336,769,620,645]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D09FFA2FEEDFDB2FDEAFD4C" box="[336,513,620,644]" italics="true" pageId="24" pageNumber="425">B. immaculatus</emphasis>
(
<bibRefCitation id="EFA14B707D09FFA2FDAFFDB3FD13FD4C" author="Chu" box="[530,760,620,645]" pageId="24" pageNumber="425" refString="Chu, Y. - T. &amp; Meng, Q. - W. (1982) Halaelurus immaculatus sp. nov. Pp. 301 - 302, 309. In: Chu, Y. - T., Meng, Q. - W., Hu, A. &amp; Li, S. (Aut.) Five new species of elasmobranchiate fishes from the deep waters of South China Sea. Oceanologica et Limnologica Sinica, 13 (4), 301 - 311. [in Chinese with English summary]" type="journal article" year="1982">Chu &amp; Meng, 1982</bibRefCitation>
)
</taxonomicName>
.
<taxonomicName id="4C304D027D09FFA2FCB0FDB3FC10FD4C" box="[781,1019,620,644]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D09FFA2FCB0FDB3FC10FD4C" box="[781,1019,620,644]" italics="true" pageId="24" pageNumber="425">Bythaelurus dawsoni</emphasis>
</taxonomicName>
is apparently endemic to the waters around
<collectingCountry id="F32776117D09FFA2FF53FD4FFE6DFD60" box="[238,390,655,680]" name="New Zealand" pageId="24" pageNumber="425">New Zealand</collectingCountry>
(
<bibRefCitation id="EFA14B707D09FFA2FE2BFD50FDDAFD60" author="Francis" box="[406,561,655,680]" pageId="24" pageNumber="425" refString="Francis, M. P. (2006) Distribution and biology of the New Zealand endemic catshark, Halaelurus dawsoni. Environmental Biology of Fishes, 75 (3), 295 - 306. http: // dx. doi. org / 10.1007 / s 10641 - 006 - 0026 - 0" type="journal article" year="2006">
<collectorName id="26C553577D09FFA2FE2BFD50FE01FD60" box="[406,490,655,680]" pageId="24" pageNumber="425">Francis</collectorName>
2006
</bibRefCitation>
).
<location id="8EEF605A7D09FFA2FDF8FD4FFDBDFD6F" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FDF8FD4FFDBDFD6F" box="[581,598,656,679]" country="Peru" county="eastern Indian Ocean" municipality="For" name="It" pageId="24" pageNumber="425" stateProvince="South">It</location>
is light brown to gray on dorsal and lateral surfaces with a line of white spots on sides of small individuals and whitish ventrally, has fin tips with broad white areas and dark bands on the caudal fin.
<location id="8EEF605A7D09FFA2FEA5FD08FEAFFD38" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FEA5FD08FEAFFD38" box="[280,324,727,752]" country="Peru" county="eastern Indian Ocean" municipality="For" name="The" pageId="24" pageNumber="425" stateProvince="South">The</location>
labial furrows are distinct, with lowers noticeably longer than uppers, the anal-fin base length is less than 1.5 times second dorsal-fin base length, the size at maturity is
<quantity id="4CC89B647D09FFA2FC02FD23FBC4FCDC" box="[959,1071,764,788]" metricMagnitude="-1" metricUnit="m" metricValue="3.5" metricValueMax="3.8" metricValueMin="3.2" pageId="24" pageNumber="425" unit="cm" value="35.0" valueMax="38.0" valueMin="32.0">3238 cm</quantity>
TL and the maximum size is
<quantity id="4CC89B647D09FFA2FA3DFD23FF52FCFF" metricMagnitude="-1" metricUnit="m" metricValue="4.2" pageId="24" pageNumber="425" unit="cm" value="42.0">42 cm</quantity>
TL.
<taxonomicName id="4C304D027D09FFA2FF4BFCFFFDFDFCF0" box="[246,534,800,824]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D09FFA2FF4BFCFFFDFDFCF0" box="[246,534,800,824]" italics="true" pageId="24" pageNumber="425">Bythaelurus immaculatus</emphasis>
</taxonomicName>
is known only from the three
<typeStatus id="548B88237D09FFA2FCC1FCFFFC47FCF0" box="[892,940,800,824]" pageId="24" pageNumber="425">type</typeStatus>
specimens, caught in the
<collectingRegion id="49F4F8637D09FFA2FB61FCC0FAF6FCF0" box="[1244,1309,799,824]" country="Tanzania" name="Kusini Unguja" pageId="24" pageNumber="425">South</collectingRegion>
China Sea (
<bibRefCitation id="EFA14B707D09FFA2FF23FC9BFE90FC94" author="White" box="[158,379,836,861]" pageId="24" pageNumber="425" refString="White, W. T. &amp; Last, P. R. (2013) Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China. Zootaxa, 3752 (1), 228 - 248." type="journal article" year="2013">
<collectorName id="26C553577D09FFA2FF23FC9BFF0FFC95" box="[158,228,836,861]" pageId="24" pageNumber="425">White</collectorName>
&amp;
<collectorName id="26C553577D09FFA2FEBAFC9AFEDCFC94" box="[263,311,837,860]" pageId="24" pageNumber="425">Last</collectorName>
2013
</bibRefCitation>
).
<location id="8EEF605A7D09FFA2FE31FC9BFE55FC95" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FE31FC9BFE55FC95" box="[396,446,836,861]" country="Peru" county="eastern Indian Ocean" municipality="For" name="This" pageId="24" pageNumber="425" stateProvince="South">This</location>
species has a plain dark yellowish brown coloration, reduced labial furrows, with uppers and lowers about equal in length, an anal-fin base length less than 1.5 times second dorsal-fin base length, a prevent length 1.3 times in tail length, a preorbital snout length subequal to eye length, a length of lateral trunk denticles less than twice their width and reaches a maximum size of
<quantity id="4CC89B647D09FFA2FC22FC70FC0EFC0F" box="[927,997,943,968]" metricMagnitude="-1" metricUnit="m" metricValue="7.6" pageId="24" pageNumber="425" unit="cm" value="76.0">76 cm</quantity>
TL (
<bibRefCitation id="EFA14B707D09FFA2FBA3FC70FB15FC00" author="White" box="[1054,1278,943,968]" pageId="24" pageNumber="425" refString="White, W. T. &amp; Last, P. R. (2013) Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China. Zootaxa, 3752 (1), 228 - 248." type="journal article" year="2013">
<collectorName id="26C553577D09FFA2FBA3FC70FB8FFC00" box="[1054,1124,943,968]" pageId="24" pageNumber="425">White</collectorName>
&amp;
<collectorName id="26C553577D09FFA2FB37FC6FFB51FC0F" box="[1162,1210,944,967]" pageId="24" pageNumber="425">Last</collectorName>
2013
</bibRefCitation>
), representing the largest known species of
<taxonomicName id="4C304D027D09FFA2FE62FC0BFCD6FC25" authority="Weigmann 2016" authorityName="Weigmann" authorityYear="2016" box="[479,829,980,1005]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D09FFA2FE62FC0BFD8CFC24" box="[479,615,980,1004]" italics="true" pageId="24" pageNumber="425">Bythaelurus</emphasis>
(
<bibRefCitation id="EFA14B707D09FFA2FDCBFC0BFCDDFC25" author="Weigmann" box="[630,822,980,1005]" pageId="24" pageNumber="425" refString="Weigmann, S. (2016) Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3), 837 - 1037. http: // dx. doi. org / 10.1111 / jfb. 12874" type="journal article" year="2016">Weigmann 2016</bibRefCitation>
)
</taxonomicName>
.
<collectingMunicipality id="6BEBACFB7D09FFA2FCF4FC0AFC9BFC24" box="[841,880,981,1004]" pageId="24" pageNumber="425">For</collectingMunicipality>
the
<collectingCounty id="62EE4E0D7D09FFA2FC1FFC0AFB78FC24" box="[930,1171,980,1005]" pageId="24" pageNumber="425">eastern Indian Ocean</collectingCounty>
, two species have been reported:
<taxonomicName id="4C304D027D09FFA2FEBEFC26FD9FFBD8" authority="Last &amp; Stevens, 2008" authorityName="Last &amp; Stevens" authorityYear="2008" box="[259,628,1016,1040]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="incanus">
<emphasis id="B944EA937D09FFA2FEBEFC26FE91FBC7" box="[259,378,1016,1040]" italics="true" pageId="24" pageNumber="425">B. incanus</emphasis>
<bibRefCitation id="EFA14B707D09FFA2FE3FFC27FD9FFBD8" author="Last" box="[386,628,1016,1040]" pageId="24" pageNumber="425" refString="Last, P. R. &amp; Stevens, J. D. (2008) Bythaelurus incanus sp. nov., a new deepwater catshark (Carcharhiniformes: Scyliorhinidae) from northwestern Australia. In: Last, P. R., White, W. T. &amp; Pogonoski, J. J. (Eds.) Descriptions of New Australian Chondrichthyans. CSIRO Marine &amp; Atmospheric Research Paper No. 0 22, pp. 123 - 128." type="journal article" year="2008">Last &amp; Stevens, 2008</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C304D027D09FFA2FD16FC26FCC3FBD8" box="[683,808,1016,1040]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D09FFA2FD16FC26FCC3FBD8" box="[683,808,1016,1040]" italics="true" pageId="24" pageNumber="425">B. hispidus</emphasis>
</taxonomicName>
.
<taxonomicName id="4C304D027D09FFA2FC8AFC27FBF7FBC7" box="[823,1052,1016,1040]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="incanus">
<emphasis id="B944EA937D09FFA2FC8AFC27FBF7FBC7" box="[823,1052,1016,1040]" italics="true" pageId="24" pageNumber="425">Bythaelurus incanus</emphasis>
</taxonomicName>
is known only from the
<typeStatus id="548B88237D09FFA2FA8EFC28FA73FBD8" box="[1331,1432,1015,1040]" pageId="24" pageNumber="425" type="holotype">holotype</typeStatus>
, a juvenile male collected off the Ashmore Terrace
</materialsCitation>
,
<materialsCitation id="3B583CDC7D09FFA2FD49FBC2FC2AFBFD" ID-GBIF-Occurrence="1417439877" box="[756,961,1052,1077]" country="Peru" location="western Australia" pageId="24" pageNumber="425" specimenCount="1" stateProvince="western Australia" typeStatus="holotype">
<collectingRegion id="49F4F8637D09FFA2FD49FBC2FC2AFBFD" box="[756,961,1052,1077]" country="Australia" name="Western Australia" pageId="24" pageNumber="425">western Australia</collectingRegion>
</materialsCitation>
.
<materialsCitation id="3B583CDC7D09FFA2FC72FBC3FB27FB20" ID-GBIF-Occurrence="1417439871" collectionCode="SAIAB" country="Kenya" county="western Indian Ocean" location="Last" municipality="Stevens" pageId="24" pageNumber="425" specimenCount="1" typeStatus="holotype">
This species has a mostly plain grayish brown coloration with a few white blotches on belly, reduced labial furrows, with uppers and lowers about equal in length, an anal-fin base length less than 1.5 times second dorsal-fin base length, a pre-vent length exceeding tail length, a preorbital snout length 1.3 times eye length and a length of lateral trunk denticles more than twice their width (
<bibRefCitation id="EFA14B707D09FFA2FF54FB73FE0FFB0C" author="Last" box="[233,484,1196,1220]" pageId="24" pageNumber="425" refString="Last, P. R. &amp; Stevens, J. D. (2008) Bythaelurus incanus sp. nov., a new deepwater catshark (Carcharhiniformes: Scyliorhinidae) from northwestern Australia. In: Last, P. R., White, W. T. &amp; Pogonoski, J. J. (Eds.) Descriptions of New Australian Chondrichthyans. CSIRO Marine &amp; Atmospheric Research Paper No. 0 22, pp. 123 - 128." type="journal article" year="2008">
<location id="8EEF605A7D09FFA2FF54FB73FEF0FB0C" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FF54FB73FEF0FB0C" box="[233,283,1196,1220]" country="Kenya" county="western Indian Ocean" municipality="Stevens" name="Last" pageId="24" pageNumber="425">Last</location>
&amp;
<collectingMunicipality id="6BEBACFB7D09FFA2FEFBFB73FE77FB0C" box="[326,412,1196,1220]" pageId="24" pageNumber="425">Stevens</collectingMunicipality>
2008
</bibRefCitation>
).
<taxonomicName id="4C304D027D09FFA2FE47FB73FD02FB0C" box="[506,745,1196,1220]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D09FFA2FE47FB73FD02FB0C" box="[506,745,1196,1220]" italics="true" pageId="24" pageNumber="425">Bythaelurus hispidus</emphasis>
</taxonomicName>
is known from the eastern and
<collectingCounty id="62EE4E0D7D09FFA2FBD9FB72FAB4FB0C" box="[1124,1375,1196,1221]" pageId="24" pageNumber="425">western Indian Ocean</collectingCounty>
with records from off
<collectingCountry id="F32776117D09FFA2FEC6FB0EFE2FFB21" box="[379,452,1233,1257]" name="Kenya" pageId="24" pageNumber="425">Kenya</collectingCountry>
(three
<collectionCode id="ED21AE447D09FFA2FD91FB0FFD6BFB20" box="[556,640,1232,1256]" country="South Africa" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34984" name="South African Institute for Aquatic Biodiversity" pageId="24" pageNumber="425">SAIAB</collectionCode>
specimens listed under Comparative material)
</materialsCitation>
,
<materialsCitation id="3B583CDC7D09FFA2FB59FB0FFDC0FAC4" ID-GBIF-Occurrence="1417439874" collectionCode="ZMH" country="Yemen" location="Socotra" pageId="24" pageNumber="425" specimenCount="1" typeStatus="holotype">
<collectingCountry id="F32776117D09FFA2FB59FB0FFAD2FB20" box="[1252,1337,1232,1256]" name="Yemen" pageId="24" pageNumber="425">Socotra</collectingCountry>
Islands (uncatalogued specimens at
<collectionCode id="ED21AE447D09FFA2FE5DFB2BFDC9FAC4" box="[480,546,1268,1292]" country="Germany" httpUri="http://grbio.org/cool/kdnf-0379" name="Zoologisches Museum Hamburg" pageId="24" pageNumber="425">ZMH</collectionCode>
)
</materialsCitation>
, Yemen (al
<bibRefCitation id="EFA14B707D09FFA2FD00FB2BFC2CFAC4" author="Sakaff" box="[701,967,1268,1293]" pageId="24" pageNumber="425" refString="Sakaff, H. &amp; Esseen, M. (1999) Occurrence and Distribution of Fish Species off Yemen (Gulf of Aden and Arabian Sea). Naga ICLARM Quaterly, 22 (1), 43 - 47." type="journal article" year="1999">Sakaff &amp; Esseen 1999</bibRefCitation>
),
<materialsCitation id="3B583CDC7D09FFA2FC62FB2BFB2AF885" ID-GBIF-Occurrence="1417439872" collectorName="L. Jawad &amp; Nair &amp; Appukuttan &amp; Lal Mohan &amp; Raje &amp; Akhilesh &amp; Alcock &amp; Springer &amp; D'Aubrey &amp; Seret &amp; Kaschner &amp; T. Krajangdara &amp; P. N. Psomadakis &amp; K. V. Akhilesh" country="Oman" county="southern Madagascar Ridge" location="southern India" municipality="Arabian Sea" pageId="24" pageNumber="425" specimenCount="1" typeStatus="holotype">
<collectingCountry id="F32776117D09FFA2FC62FB2BFBCFFAC4" box="[991,1060,1268,1292]" name="Oman" pageId="24" pageNumber="425">Oman</collectingCountry>
(
<collectorName id="26C553577D09FFA2FB8AFB2BFB4FFAC5" box="[1079,1188,1268,1293]" pageId="24" pageNumber="425">L. Jawad</collectorName>
, pers. comm., 2013),
<location id="8EEF605A7D09FFA2FF2AFAC8FED0FAF8" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FF2AFAC8FED0FAF8" box="[151,315,1303,1328]" country="Oman" county="southern Madagascar Ridge" municipality="Arabian Sea" name="southern India" pageId="24" pageNumber="425">southern India</location>
(
<bibRefCitation id="EFA14B707D09FFA2FEF6FAC8FD9BFAF8" author="Nair" box="[331,624,1303,1328]" pageId="24" pageNumber="425" refString="Nair, R. V. &amp; Appukuttan, K. K. (1973) Observation on the food of deep sea sharks Halaelurus hispidus (Alcock), Eridacnis radcliffei Smith and Iago omanensis Compagno and Springer. Indian Journal of Fisheries, 20 (2), 575 - 583." type="journal article" year="1973">
<collectorName id="26C553577D09FFA2FEF6FAC8FE95FAF8" box="[331,382,1303,1328]" pageId="24" pageNumber="425">Nair</collectorName>
&amp;
<collectorName id="26C553577D09FFA2FE15FAC8FDC7FAF8" box="[424,556,1303,1328]" pageId="24" pageNumber="425">Appukuttan</collectorName>
1973
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FDC2FAC8FC77FAF8" author="Nair" box="[639,924,1303,1328]" pageId="24" pageNumber="425" refString="Nair, R. V. &amp; Lal Mohan, R. S. (1973) On a new deep sea skate, Rhinobatos variegatus, with notes on the deep sea sharks Halaelurus hispidus, Eridacnis radcliffei and Eugaleus omanensis from the Gulf of Mannar. Senckenbergiana biologica, 54 (1 / 3), 71 - 80." type="journal article" year="1973">
<collectorName id="26C553577D09FFA2FDC2FAC8FD5AFAF8" box="[639,689,1303,1328]" pageId="24" pageNumber="425">Nair</collectorName>
&amp;
<collectorName id="26C553577D09FFA2FD64FAC8FCBCFAF8" box="[729,855,1303,1328]" pageId="24" pageNumber="425">Lal Mohan</collectorName>
1973
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FC17FAC8FB26FAF8" author="Appukuttan" box="[938,1229,1303,1328]" pageId="24" pageNumber="425" refString="Appukuttan, K. K. &amp; Nair, K. P. (1988) Shark Resources of India, with Notes on Biology of a Few Species. In: Joseph, M. M." type="book" year="1988">
<collectorName id="26C553577D09FFA2FC17FAC8FBC5FAF8" box="[938,1070,1303,1328]" pageId="24" pageNumber="425">Appukuttan</collectorName>
&amp;
<collectorName id="26C553577D09FFA2FBEAFAC8FB62FAF8" box="[1111,1161,1303,1328]" pageId="24" pageNumber="425">Nair</collectorName>
1988
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FB66FAC8FA7CFAF8" author="Raje" box="[1243,1431,1303,1328]" pageId="24" pageNumber="425" refString="Raje, S. G., Mathew, G., Joshi, K. K., Nair, R. J., Mohanraj, G., Srinath, M., Gomathy, S. &amp; Rudramurthy, N. (2002) Elasmobranch Fisheries of India - An Appraisal. CMFRI special publication 71. CMFRI, Cochin, pp. 1 - 76." type="journal article" year="2002">
<collectorName id="26C553577D09FFA2FB66FAC8FAE4FAF8" box="[1243,1295,1303,1328]" pageId="24" pageNumber="425">Raje</collectorName>
<emphasis id="B944EA937D09FFA2FAA5FAC6FAA7FAF8" box="[1304,1356,1304,1328]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2002
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FF2AFAE3FE6DFA9C" author="Akhilesh" box="[151,390,1340,1365]" pageId="24" pageNumber="425" refString="Akhilesh, K. V., White, W. T., Bineesh, K. K., Ganga, U. &amp; Pillai, N. G. K. (2013) Biological observations on the bristly catshark Bythaelurus hispidus from deep waters off the south-west coast of India. Journal of Fish Biology, 82 (5), 1582 - 1591. http: // dx. doi. org / 10.1111 / jfb. 12087" type="journal article" year="2013">
<collectorName id="26C553577D09FFA2FF2AFAE3FF17FA9D" box="[151,252,1340,1365]" pageId="24" pageNumber="425">Akhilesh</collectorName>
<emphasis id="B944EA937D09FFA2FEB8FAE2FED2FA9C" box="[261,313,1340,1364]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2013
</bibRefCitation>
),
<location id="8EEF605A7D09FFA2FE21FAE3FD8AFA9D" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FE21FAE3FD8AFA9D" box="[412,609,1340,1365]" country="Oman" county="southern Madagascar Ridge" municipality="Arabian Sea" name="Andaman Islands" pageId="24" pageNumber="425">Andaman Islands</location>
(
<bibRefCitation id="EFA14B707D09FFA2FDCFFAE3FCE1FA9C" author="Alcock" box="[626,778,1340,1365]" pageId="24" pageNumber="425" refString="Alcock, A. (1891) Class Pisces. In: II. - Natural history notes from H. M. Indian marine survey steamer ' Investigator', Commander R. F. Hoskyn, R. N. commanding. - Series II., No. 1. On the results of deep-sea dredging during the season 1890 - 91. The Annals and Magazine of Natural History, 8 (6), 16 - 34. http: // dx. doi. org / 10.1080 / 00222939109460385" type="journal article" year="1891">
<collectorName id="26C553577D09FFA2FDCFFAE3FD2EFA9D" box="[626,709,1340,1365]" pageId="24" pageNumber="425">Alcock</collectorName>
1891
</bibRefCitation>
;
<collectorName id="26C553577D09FFA2FCA5FAE3FC93FA9D" box="[792,888,1340,1365]" pageId="24" pageNumber="425">Springer</collectorName>
&amp;
<collectorName id="26C553577D09FFA2FC1CFAE3FBF8FA9D" box="[929,1043,1340,1365]" pageId="24" pageNumber="425">DAubrey</collectorName>
1972;
<bibRefCitation id="EFA14B707D09FFA2FBDBFAE3FAE0FA9C" author="Springer" box="[1126,1291,1340,1365]" pageId="24" pageNumber="425" refString="Springer, S. (1979) A revision of the catsharks, family Scyliorhinidae. NOAA Technical Report NMFS Circular, 422, 1 - 152." type="journal article" year="1979">
<collectorName id="26C553577D09FFA2FBDBFAE3FB2DFA9D" box="[1126,1222,1340,1365]" pageId="24" pageNumber="425">Springer</collectorName>
1979
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FAA4FAE3FA7CFA9C" author="Seret" box="[1305,1431,1340,1364]" pageId="24" pageNumber="425" refString="Seret, B. (1987) Halaelurus clevai, sp. n., a new species of catshark (Scyliorhinidae) from off Madagascar, with remarks on the taxonomic status of the genera Halaelurus Gill &amp; Galeus Rafinesque. J. L. B. Smith Institute of Ichthyology Special Publication, 44, 1 - 27." type="journal article" year="1987">
<collectorName id="26C553577D09FFA2FAA4FAE3FAB8FA9C" box="[1305,1363,1340,1364]" pageId="24" pageNumber="425">Séret</collectorName>
1987
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FF2AFA80FE68FAB0" author="Kaschner" box="[151,387,1375,1400]" pageId="24" pageNumber="425" refString="Kaschner, C. J., Weigmann, S. &amp; Thiel, R. (2015) Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean. Zootaxa, 4013 (1), 120 - 138. http: // dx. doi. org / 10.11646 / zootaxa. 4013.1.9" type="journal article" year="2015">
<collectorName id="26C553577D09FFA2FF2AFA80FEEAFAB0" box="[151,257,1375,1400]" pageId="24" pageNumber="425">Kaschner</collectorName>
<emphasis id="B944EA937D09FFA2FEBAFABEFED3FAB0" box="[263,312,1376,1400]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2015
</bibRefCitation>
), and off
<collectingCountry id="F32776117D09FFA2FE50FABEFDB1FAB1" box="[493,602,1377,1401]" name="Myanmar" pageId="24" pageNumber="425">Myanmar</collectingCountry>
(
<collectorName id="26C553577D09FFA2FDD4FABFFCFAFAB0" box="[617,785,1375,1400]" pageId="24" pageNumber="425">T. Krajangdara</collectorName>
&amp;
<collectorName id="26C553577D09FFA2FC88FABEFC1FFAB0" box="[821,1012,1375,1400]" pageId="24" pageNumber="425">P.N. Psomadakis</collectorName>
, pers. comm., 2015).
<location id="8EEF605A7D09FFA2FB5BFA80FAF3FAB0" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FB5BFA80FAF3FAB0" box="[1254,1304,1375,1400]" country="Oman" county="southern Madagascar Ridge" municipality="Arabian Sea" name="This" pageId="24" pageNumber="425">This</location>
species has 56 indistinct, dark blotches on trunk and tail, an anal-fin base more than 1.5 times second dorsal-fin base length, rather slender (base width ~1.5% TL) adult claspers with knob-like apex, a maturity size of
<quantity id="4CC89B647D09FFA2FB04FA77FAC1FA08" box="[1209,1322,1448,1472]" metricMagnitude="-1" metricUnit="m" metricValue="2.3" metricValueMax="2.4" metricValueMin="2.2" pageId="24" pageNumber="425" unit="cm" value="23.0" valueMax="24.0" valueMin="22.0">2224 cm</quantity>
TL and a maximum size of
<quantity id="4CC89B647D09FFA2FED8FA13FE40FA2C" box="[357,427,1484,1508]" metricMagnitude="-1" metricUnit="m" metricValue="3.2" pageId="24" pageNumber="425" unit="cm" value="32.0">32 cm</quantity>
TL.
<location id="8EEF605A7D09FFA2FE5BFA12FE16FA2C" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FE5BFA12FE16FA2C" box="[486,509,1485,1508]" country="Oman" county="southern Madagascar Ridge" municipality="Arabian Sea" name="In" pageId="24" pageNumber="425">In</location>
addition to
<taxonomicName id="4C304D027D09FFA2FD35FA12FCEDFA2C" box="[648,774,1484,1508]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D09FFA2FD35FA12FCEDFA2C" box="[648,774,1484,1508]" italics="true" pageId="24" pageNumber="425">B. hispidus</emphasis>
</taxonomicName>
, six further species of
<taxonomicName id="4C304D027D09FFA2FBB1FA13FB78FA2C" box="[1036,1171,1484,1508]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D09FFA2FBB1FA13FB78FA2C" box="[1036,1171,1484,1508]" italics="true" pageId="24" pageNumber="425">Bythaelurus</emphasis>
</taxonomicName>
are described from the
<location id="8EEF605A7D09FFA2FF2AFA2EFE7EF9C0" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FF2AFA2EFE7EF9C0" box="[151,405,1519,1544]" country="Oman" county="southern Madagascar Ridge" municipality="Arabian Sea" name="western Indian Ocean" pageId="24" pageNumber="425">western Indian Ocean</location>
, i.e.
<taxonomicName id="4C304D027D09FFA2FE6FFA2EFDA6F9C0" box="[466,589,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D09FFA2FE6FFA2EFDA6F9C0" box="[466,589,1520,1544]" italics="true" pageId="24" pageNumber="425">B. alcockii</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D09FFA2FDE2FA2EFD2BF9C0" box="[607,704,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="bachi" status="sp. nov.">
<emphasis id="B944EA937D09FFA2FDE2FA2EFD2BF9C0" box="[607,704,1520,1544]" italics="true" pageId="24" pageNumber="425">B. bachi</emphasis>
</taxonomicName>
<emphasis id="B944EA937D09FFA2FD71FA2FFCE5F9C0" bold="true" box="[716,782,1520,1544]" pageId="24" pageNumber="425">
<taxonomicNameLabel id="A27757E87D09FFA2FD71FA2FFCE5F9C0" box="[716,782,1520,1544]" pageId="24" pageNumber="425" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
,
<taxonomicName id="4C304D027D09FFA2FC9DFA2EFC6DF9C0" box="[800,902,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="clevai">
<emphasis id="B944EA937D09FFA2FC9DFA2EFC6DF9C0" box="[800,902,1520,1544]" italics="true" pageId="24" pageNumber="425">B. clevai</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D09FFA2FC25FA2EFBF9F9C0" box="[920,1042,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D09FFA2FC25FA2EFBF9F9C0" box="[920,1042,1520,1544]" italics="true" pageId="24" pageNumber="425">B. lutarius</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D09FFA2FB99FA2EFB73F9C0" box="[1060,1176,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="naylori">
<emphasis id="B944EA937D09FFA2FB99FA2EFB73F9C0" box="[1060,1176,1520,1544]" italics="true" pageId="24" pageNumber="425">B. naylori</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D09FFA2FB6BFA2EFA7EF9C0" box="[1238,1429,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="B944EA937D09FFA2FB6BFA2EFA7EF9C0" box="[1238,1429,1520,1544]" italics="true" pageId="24" pageNumber="425">B. tenuicephalus</emphasis>
</taxonomicName>
.
<taxonomicName id="4C304D027D09FFA2FF2AF9CBFE94F9E4" box="[151,383,1556,1580]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D09FFA2FF2AF9CBFE94F9E4" box="[151,383,1556,1580]" italics="true" pageId="24" pageNumber="425">Bythaelurus alcockii</emphasis>
</taxonomicName>
was described from the
<collectingMunicipality id="6BEBACFB7D09FFA2FD25F9CBFCC8F9E4" box="[664,803,1556,1581]" pageId="24" pageNumber="425">Arabian Sea</collectingMunicipality>
without exact locality data and is known only from the
<typeStatus id="548B88237D09FFA2FF2AF9E8FF17F998" box="[151,252,1591,1616]" pageId="24" pageNumber="425" type="holotype">holotype</typeStatus>
, which has been lost (
<bibRefCitation id="EFA14B707D09FFA2FE47F9E7FD22F998" author="Compagno" box="[506,713,1591,1616]" pageId="24" pageNumber="425" refString="Compagno, L. J. V. (1984 b) FAO species catalogue. Fol. 4, Sharks of the World. An annotated and illustrated catalogue of shark species known to date (Part 2, Carcharhiniformes). FAO Fisheries Synopsis, 125, 4 (2). FAO, Rome, pp. 251 - 655." type="journal article" year="1984" yearSuffix="b">Compagno 1984b</bibRefCitation>
;
<collectorName id="26C553577D09FFA2FD68F9E6FC92F998" box="[725,889,1591,1616]" pageId="24" pageNumber="425">K.V. Akhilesh</collectorName>
, pers. comm., 2014). For
<taxonomicName id="4C304D027D09FFA2FB1CF9E6FAF1F998" box="[1185,1306,1592,1616]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D09FFA2FB1CF9E6FAF1F998" box="[1185,1306,1592,1616]" italics="true" pageId="24" pageNumber="425">B. alcockii</emphasis>
</taxonomicName>
, a blackish coloration with hoary gray surface and some fins white-tipped posteriorly, as well as teeth with cusps and lateral cusps of subequal length were described (
<bibRefCitation id="EFA14B707D09FFA2FDD0F9A0FCEFF950" author="Alcock" box="[621,772,1663,1688]" pageId="24" pageNumber="425" refString="Alcock, A. (1899) A descriptive catalogue of the Indian deep-sea fishes in the Indian Museum. Being a revised account of the deep-sea fishes collected by the Royal Indian Marine Survey Ship Investigator. Indian Museum, Calcutta, 211 pp. http: // dx. doi. org / 10.5962 / bhl. title. 4684" type="book" year="1899">Alcock 1899</bibRefCitation>
). However, its validity is questionable (e.g.
<bibRefCitation id="EFA14B707D09FFA2FB49F9A0FA7CF950" author="Springer" box="[1268,1431,1663,1688]" pageId="24" pageNumber="425" refString="Springer, S. (1979) A revision of the catsharks, family Scyliorhinidae. NOAA Technical Report NMFS Circular, 422, 1 - 152." type="journal article" year="1979">Springer 1979</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FF2AF97BFE88F975" author="Compagno" box="[151,355,1700,1725]" pageId="24" pageNumber="425" refString="Compagno, L. J. V. (1984 b) FAO species catalogue. Fol. 4, Sharks of the World. An annotated and illustrated catalogue of shark species known to date (Part 2, Carcharhiniformes). FAO Fisheries Synopsis, 125, 4 (2). FAO, Rome, pp. 251 - 655." type="journal article" year="1984" yearSuffix="b">Compagno 1984b</bibRefCitation>
,
<bibRefCitation id="EFA14B707D09FFA2FED3F97BFE42F974" author="Compagno" box="[366,425,1700,1724]" pageId="24" pageNumber="425" refString="Compagno, L. J. V. (1988) Sharks of the order Carcharhiniformes. Princeton University Press, New Jersey, 486 pp." type="book" year="1988">1988</bibRefCitation>
,
<bibRefCitation id="EFA14B707D09FFA2FE08F97BFE04F974" author="Compagno" box="[437,495,1700,1724]" pageId="24" pageNumber="425" refString="Compagno, L. J. V. (1999) Checklist of Living Elasmobranchs. In: Hamlett, W. C. (Ed.), Sharks, Skates, and Rays - The Biology of Elasmobranch Fishes. The Johns Hopkins University Press, Baltimore, pp. 471 - 498." type="book chapter" year="1999">1999</bibRefCitation>
, 2005; Compagno
<emphasis id="B944EA937D09FFA2FD7BF97AFD13F974" box="[710,760,1700,1724]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2005;
<bibRefCitation id="EFA14B707D09FFA2FCF3F97AFBD5F974" author="Last" box="[846,1086,1700,1724]" pageId="24" pageNumber="425" refString="Last, P. R. &amp; Stevens, J. D. (2008) Bythaelurus incanus sp. nov., a new deepwater catshark (Carcharhiniformes: Scyliorhinidae) from northwestern Australia. In: Last, P. R., White, W. T. &amp; Pogonoski, J. J. (Eds.) Descriptions of New Australian Chondrichthyans. CSIRO Marine &amp; Atmospheric Research Paper No. 0 22, pp. 123 - 128." type="journal article" year="2008">Last &amp; Stevens 2008</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FBF7F97BFAE1F974" author="Ebert" box="[1098,1290,1700,1725]" pageId="24" pageNumber="425" refString="Ebert, D. A., Fowler, S. &amp; Compagno, L. J. V. (2013) Sharks of the world: a fully illustrated guide to the sharks of the world. Wild Nature Press, Devon, 528 pp." type="book" year="2013">
Ebert
<emphasis id="B944EA937D09FFA2FB33F97AFB2BF974" box="[1166,1216,1700,1724]" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2013
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FAABF97BFF10F928" author="Kaschner" pageId="24" pageNumber="425" refString="Kaschner, C. J., Weigmann, S. &amp; Thiel, R. (2015) Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean. Zootaxa, 4013 (1), 120 - 138. http: // dx. doi. org / 10.11646 / zootaxa. 4013.1.9" type="journal article" year="2015">
Kaschner
<emphasis id="B944EA937D09FFA2FA35F97AFF46F928" italics="true" pageId="24" pageNumber="425">et al</emphasis>
. 2015
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D09FFA2FEB7F918FE20F928" author="Weigmann" box="[266,459,1735,1760]" pageId="24" pageNumber="425" refString="Weigmann, S. (2016) Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3), 837 - 1037. http: // dx. doi. org / 10.1111 / jfb. 12874" type="journal article" year="2016">Weigmann 2016</bibRefCitation>
). It was originally described as
<taxonomicName id="4C304D027D09FFA2FCFBF917FBC3F928" box="[838,1064,1736,1760]" class="Elasmobranchii" family="Scyliorhinidae" genus="Halaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D09FFA2FCFBF917FBC3F928" box="[838,1064,1736,1760]" italics="true" pageId="24" pageNumber="425">Halaelurus alcockii</emphasis>
</taxonomicName>
and preliminarily placed in the subgenus
<taxonomicName id="4C304D027D09FFA2FEBAF933FE65F8CC" box="[263,398,1772,1796]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D09FFA2FEBAF933FE65F8CC" box="[263,398,1772,1796]" italics="true" pageId="24" pageNumber="425">Bythaelurus</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFA14B707D09FFA2FE01F933FD61F8CC" author="Compagno" box="[444,650,1772,1796]" pageId="24" pageNumber="425" refString="Compagno, L. J. V. (1988) Sharks of the order Carcharhiniformes. Princeton University Press, New Jersey, 486 pp." type="book" year="1988">Compagno (1988)</bibRefCitation>
but earlier
<bibRefCitation id="EFA14B707D09FFA2FCB2F933FC00F8CD" author="Compagno" box="[783,1003,1772,1797]" pageId="24" pageNumber="425" refString="Compagno, L. J. V. (1984 b) FAO species catalogue. Fol. 4, Sharks of the World. An annotated and illustrated catalogue of shark species known to date (Part 2, Carcharhiniformes). FAO Fisheries Synopsis, 125, 4 (2). FAO, Rome, pp. 251 - 655." type="journal article" year="1984" yearSuffix="b">Compagno (1984b)</bibRefCitation>
had also stated that the species might instead belong to the genus
<taxonomicName id="4C304D027D09FFA2FE66F8CFFDBAF8EF" box="[475,593,1808,1831]" class="Elasmobranchii" family="Scyliorhinidae" genus="Apristurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D09FFA2FE66F8CFFDBAF8EF" box="[475,593,1808,1831]" italics="true" pageId="24" pageNumber="425">Apristurus</emphasis>
</taxonomicName>
. As the only known specimen has been lost, it is currently impossible to resolve this issue.
<taxonomicName id="4C304D027D09FFA2FEDEF8EBFDC4F884" box="[355,559,1844,1868]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="bachi" status="sp. nov.">
<emphasis id="B944EA937D09FFA2FEDEF8EBFDC4F884" box="[355,559,1844,1868]" italics="true" pageId="24" pageNumber="425">Bythaelurus bachi</emphasis>
</taxonomicName>
<emphasis id="B944EA937D09FFA2FD88F8EBFD9FF884" bold="true" box="[565,628,1844,1868]" pageId="24" pageNumber="425">
<taxonomicNameLabel id="A27757E87D09FFA2FD88F8EBFD9FF884" box="[565,628,1844,1868]" pageId="24" pageNumber="425" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is known only from the
<collectingCounty id="62EE4E0D7D09FFA2FC38F8EBFB2AF885" box="[901,1217,1844,1869]" pageId="24" pageNumber="425">southern Madagascar Ridge</collectingCounty>
</materialsCitation>
.
<materialsCitation id="3B583CDC7D09FFA3FB77F8EBFB42FDBE" ID-GBIF-Occurrence="1417439876" collectionCode="TABLE" country="Madagascar" lastPageId="25" lastPageNumber="426" location="It" municipality="Seret" pageId="24" pageNumber="425" specimenCode="TABLE 3" specimenCount="1" typeStatus="holotype">
The new species is distinguished from all congeners by the plain beige to light gray-brown coloration, high diversity in dermal denticle morphology and presence of composite oral papillae.
<location id="8EEF605A7D09FFA2FCA5F8A2FCC2F85C" LSID="urn:lsid:plazi:treatment:039987977D06FFA0FF2AF8F6FEF5F998:8EEF605A7D09FFA2FCA5F8A2FCC2F85C" box="[792,809,1917,1940]" country="Madagascar" municipality="Seret" name="It" pageId="24" pageNumber="425">It</location>
has a maturity size of
<quantity id="4CC89B647D09FFA2FBF4F8A3FB55F85C" box="[1097,1214,1916,1941]" metricMagnitude="-1" metricUnit="m" metricValue="3.8" metricValueMax="4.0" metricValueMin="3.6" pageId="24" pageNumber="425" unit="cm" value="38.0" valueMax="40.0" valueMin="36.0">3640 cm</quantity>
TL and reaches a maximum size of
<quantity id="4CC89B647D09FFA2FEDDF87FFE4EF870" box="[352,421,1952,1977]" metricMagnitude="-1" metricUnit="m" metricValue="4.5" pageId="24" pageNumber="425" unit="cm" value="45.0">45 cm</quantity>
TL.
<taxonomicName id="4C304D027D09FFA2FE59F87FFD57F870" box="[484,700,1952,1976]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="24" pageNumber="425" phylum="Chordata" rank="species" species="clevai">
<emphasis id="B944EA937D09FFA2FE59F87FFD57F870" box="[484,700,1952,1976]" italics="true" pageId="24" pageNumber="425">Bythaelurus clevai</emphasis>
</taxonomicName>
is apparently endemic to the waters around
<collectingCountry id="F32776117D09FFA2FB0CF87FFAD3F871" box="[1201,1336,1952,1977]" name="Madagascar" pageId="24" pageNumber="425">Madagascar</collectingCountry>
(
<collectingMunicipality id="6BEBACFB7D09FFA2FAFAF87FFA69F870" box="[1351,1410,1952,1976]" pageId="24" pageNumber="425">Séret</collectingMunicipality>
<emphasis id="B944EA937D08FFA3FFC0FDB7FF2EFDBE" bold="true" box="[125,197,616,630]" pageId="25" pageNumber="426">
<specimenCode id="DB969EFA7D08FFA3FFC0FDB7FF2AFDBE" box="[125,193,616,630]" collectionCode="TABLE" pageId="25" pageNumber="426">
<collectionCode id="ED21AE447D08FFA3FFC0FDB7FF5FFDBE" box="[125,180,616,630]" pageId="25" pageNumber="426">TABLE</collectionCode>
3
</specimenCode>
.
</emphasis>
Maximum sizes, geographic and depth distributions, reproductive modes, as well as vertebral, tooth row and spiral valve counts of
<taxonomicName id="4C304D027D08FFA3FB9CFDB7FB9BFDBF" box="[1057,1136,616,631]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D08FFA3FB9CFDB7FB9BFDBF" box="[1057,1136,616,631]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
</taxonomicName>
species.
</materialsCitation>
</paragraph>
<paragraph id="8B8F36817D08FFA3FE83FD43F8A8FD75" blockId="25.[318,1878,668,701]" pageId="25" pageNumber="426">
<emphasis id="B944EA937D08FFA3FE83FD43F8A8FD75" bold="true" pageId="25" pageNumber="426">Species Maximum Geographic Depth Reproductive Tooth row counts Vertebral counts Spiral valve total length distribution distribution mode counts</emphasis>
</paragraph>
<paragraph id="8B8F36817D08FFA3FBB1FD03F921FD22" blockId="25.[1036,1738,732,765]" box="[1036,1738,732,746]" pageId="25" pageNumber="426">upper jaw lower jaw monospondylous diplospondylous total caudal total</paragraph>
<paragraph id="8B8F36817D08FFA3FAD5FD30F9F1FD35" blockId="25.[1036,1738,732,765]" box="[1384,1562,751,765]" pageId="25" pageNumber="426">precaudal precaudal</paragraph>
</subSubSection>
<subSubSection id="C32A650A7D08FFA3FF3AFCC3FC08FCB6" pageId="25" pageNumber="426" type="reference_group">
<paragraph id="8B8F36817D08FFA3FF3AFCC3FC0FFCE2" blockId="25.[135,996,796,830]" box="[135,996,796,811]" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFCC3FE91FCE2" ID-CoL="P2LG" authority="Garman, 1913" authorityName="Garman" authorityYear="1913" box="[135,378,796,811]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D08FFA3FF3AFCC3FEE5FCE3" box="[135,270,796,811]" italics="true" pageId="25" pageNumber="426">Bythaelurus alcockii</emphasis>
(
<bibRefCitation id="EFA14B707D08FFA3FEABFCC3FE9EFCE2" author="Garman" box="[278,373,796,810]" pageId="25" pageNumber="426" refString="Garman, S. (1913) The Plagiostomia (Sharks, Skates, and Rays). Memoirs of the Museum of Comparative Zoology at Harvard College, XXXVI, 1 - 528. http: // dx. doi. org / 10.5962 / bhl. title. 43732" type="book chapter" year="1913">Garman, 1913</bibRefCitation>
)
</taxonomicName>
small WIO
<quantity id="4CC89B647D08FFA3FC98FCC3FC6BFCE2" box="[805,896,796,810]" metricMagnitude="3" metricUnit="m" metricValue="1.198" metricValueMax="1.262" metricValueMin="1.134" pageId="25" pageNumber="426" unit="m" value="1198.0" valueMax="1262.0" valueMin="1134.0">11341262 m</quantity>
unknown
</paragraph>
<paragraph id="8B8F36817D08FFA3FDF0FCEFFD60FCF6" blockId="25.[135,996,796,830]" box="[589,651,816,830]" pageId="25" pageNumber="426">specimen</paragraph>
<paragraph id="8B8F36817D08FFA3FF3AFC83F8D0FCAB" blockId="25.[135,1851,857,894]" box="[135,1851,857,875]" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFC83FE62FCA2" ID-CoL="P2LK" authority="Gunther, 1878" authorityName="Gunther" authorityYear="1878" box="[135,393,860,875]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D08FFA3FF3AFC83FEF7FCA3" box="[135,284,860,875]" italics="true" pageId="25" pageNumber="426">Bythaelurus canescens</emphasis>
(
<bibRefCitation id="EFA14B707D08FFA3FE98FC83FE6FFCA2" author="Gunther" box="[293,388,860,874]" pageId="25" pageNumber="426" refString="Gunther, A. (1878) Preliminary Notices of Deep-Sea Fishes collected during the Voyage of H. M. S. ' Challenger. ' Annals and Magazine of Natural History, 2 (5), 17 - 28. http: // dx. doi. org / 10.1080 / 00222937808682376" type="journal article" year="1878">Günther, 1878</bibRefCitation>
)
</taxonomicName>
<quantity id="4CC89B647D08FFA3FDEAFC83FD6BFCA2" box="[599,640,860,874]" metricMagnitude="-1" metricUnit="m" metricValue="7.3" pageId="25" pageNumber="426" unit="cm" value="73.0">73 cm</quantity>
SEP
<quantity id="4CC89B647D08FFA3FC94FC83FC90FCA2" box="[809,891,860,874]" metricMagnitude="2" metricUnit="m" metricValue="7.484999999999999" metricValueMax="12.6" metricValueMin="2.37" pageId="25" pageNumber="426" unit="m" value="748.5" valueMax="1260.0" valueMin="237.0">2371260 m</quantity>
single 80101 2 ~60111 2 3943&gt;20 43
<date id="FF8E10417D08FFA3FA30FC86F9EEFCAB" box="[1421,1541,857,874]" pageId="25" pageNumber="426" value="1982-01-01">1 82 1</date>
40 1 117132
<date id="FF8E10417D08FFA3F96EFC86F8D0FCAB" box="[1747,1851,857,874]" pageId="25" pageNumber="426" value="1924-07-05" valueMax="1924-08-05" valueMin="1924-07-05">24 78 5</date>
</paragraph>
<paragraph id="8B8F36817D08FFA3FC15FCAFFC08FCB6" blockId="25.[135,1851,857,894]" box="[936,995,880,894]" pageId="25" pageNumber="426">oviparity</paragraph>
</subSubSection>
<paragraph id="8B8F36817D08FFA3FF3AFC43F90FFBEC" pageId="25" pageNumber="426">
<table id="F930C4217D080045FF3AFC46F90CFBE4" box="[135,1767,921,1068]" gridcols="12" gridrows="3" pageId="25" pageNumber="426">
<tr id="350034C37D080045FF3AFC46F90CFC76" box="[135,1767,921,958]" gridrow="0" pageId="25" pageNumber="426">
<th id="76D15DBF7D080045FF3AFC46FE15FC76" box="[135,510,921,958]" gridcol="0" gridrow="0" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFC43FEB0FC63" authority="Seret, 1987" authorityName="Seret" authorityYear="1987" box="[135,347,924,939]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="clevai">
<emphasis id="B944EA937D08FFA3FF3AFC43FF3DFC63" box="[135,214,924,939]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FC43FEEAFC63" box="[218,257,924,939]" italics="true" pageId="25" pageNumber="426">clevai</emphasis>
(Séret, 1987)
</taxonomicName>
</th>
<th id="76D15DBF7D080045FDEEFC46FD6FFC76" box="[595,644,921,958]" gridcol="1" gridrow="0" pageId="25" pageNumber="426">40 cm</th>
<th id="76D15DBF7D080045FD73FC46FD1BFC76" box="[718,752,921,958]" gridcol="2" gridrow="0" pageId="25" pageNumber="426">WIO</th>
<th id="76D15DBF7D080045FC90FC46FC93FC76" box="[813,888,921,958]" gridcol="3" gridrow="0" pageId="25" pageNumber="426">400500 m</th>
<th id="76D15DBF7D080045FC1BFC46FC0DFC76" box="[934,998,921,958]" gridcol="4" gridrow="0" pageId="25" pageNumber="426">yolk-sac viviparity</th>
<th id="76D15DBF7D080045FBB1FC46FBA7FC76" box="[1036,1100,921,958]" gridcol="5" gridrow="0" pageId="25" pageNumber="426">6280 16</th>
<th id="76D15DBF7D080045FBDBFC46FB4DFC76" box="[1126,1190,921,958]" gridcol="6" gridrow="0" pageId="25" pageNumber="426">5370 16</th>
<th id="76D15DBF7D080045FB5DFC46FAFFFC76" box="[1248,1300,921,958]" gridcol="7" gridrow="0" pageId="25" pageNumber="426">3945 16</th>
<th id="76D15DBF7D080045FAD1FC46FA48FC76" box="[1388,1443,921,958]" gridcol="8" gridrow="0" pageId="25" pageNumber="426">4654 15</th>
<th id="76D15DBF7D080045FA5CFC46F9FEFC76" box="[1505,1557,921,958]" gridcol="9" gridrow="0" pageId="25" pageNumber="426">88 1</th>
<th id="76D15DBF7D080045F98FFC46F993FC76" box="[1586,1656,921,958]" gridcol="10" gridrow="0" pageId="25" pageNumber="426">50 1</th>
<th id="76D15DBF7D080045F92CFC46F90CFC76" box="[1681,1767,921,958]" gridcol="11" gridrow="0" pageId="25" pageNumber="426">127142 14</th>
</tr>
<tr id="350034C37D080045FF3AFC06F90CFC36" box="[135,1767,985,1022]" gridrow="1" pageId="25" pageNumber="426">
<th id="76D15DBF7D080045FF3AFC06FE15FC36" box="[135,510,985,1022]" gridcol="0" gridrow="1" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFC02FE6BFC23" authority="Springer, 1971" authorityName="Springer" authorityYear="1971" box="[135,384,989,1004]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D08FFA3FF3AFC02FF3DFC24" box="[135,214,989,1004]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FC02FEFBFC24" box="[218,272,989,1004]" italics="true" pageId="25" pageNumber="426">dawsoni</emphasis>
(Springer, 1971)
</taxonomicName>
</th>
<td id="76D15DBF7D080045FDEEFC06FD6FFC36" box="[595,644,985,1022]" gridcol="1" gridrow="1" pageId="25" pageNumber="426">42 cm</td>
<td id="76D15DBF7D080045FD73FC06FD1BFC36" box="[718,752,985,1022]" gridcol="2" gridrow="1" pageId="25" pageNumber="426">SWP</td>
<td id="76D15DBF7D080045FC90FC06FC93FC36" box="[813,888,985,1022]" gridcol="3" gridrow="1" pageId="25" pageNumber="426">240992 m</td>
<td id="76D15DBF7D080045FC1BFC06FC0DFC36" box="[934,998,985,1022]" gridcol="4" gridrow="1" pageId="25" pageNumber="426">single oviparity</td>
<td id="76D15DBF7D080045FBB1FC06FBA7FC36" box="[1036,1100,985,1022]" gridcol="5" gridrow="1" pageId="25" pageNumber="426">~64~66 2</td>
<td id="76D15DBF7D080045FBDBFC06FB4DFC36" box="[1126,1190,985,1022]" gridcol="6" gridrow="1" pageId="25" pageNumber="426">~62~70 2</td>
<td id="76D15DBF7D080045FB5DFC06FAFFFC36" box="[1248,1300,985,1022]" gridcol="7" gridrow="1" pageId="25" pageNumber="426">3638 11</td>
<td id="76D15DBF7D080045FAD1FC06FA48FC36" box="[1388,1443,985,1022]" gridcol="8" gridrow="1" pageId="25" pageNumber="426">3136 3</td>
<td id="76D15DBF7D080045FA5CFC06F9FEFC36" box="[1505,1557,985,1022]" gridcol="9" gridrow="1" pageId="25" pageNumber="426">6773 11</td>
<td id="76D15DBF7D080045F98FFC06F993FC36" box="[1586,1656,985,1022]" gridcol="10" gridrow="1" pageId="25" pageNumber="426">~55~62 10</td>
<td id="76D15DBF7D080045F92CFC06F90CFC36" box="[1681,1767,985,1022]" gridcol="11" gridrow="1" pageId="25" pageNumber="426">~124~129 10</td>
</tr>
<tr id="350034C37D080045FF3AFBC5F90CFBE4" box="[135,1767,1050,1068]" gridrow="2" pageId="25" pageNumber="426">
<th id="76D15DBF7D080045FF3AFBC5FE15FBE4" box="[135,510,1050,1068]" gridcol="0" gridrow="2" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFBC2FE15FBE3" authority="McCosker, Long &amp; Baldwin, 2012" authorityName="McCosker, Long &amp; Baldwin" authorityYear="2012" box="[135,510,1053,1068]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="giddingsi">
<emphasis id="B944EA937D08FFA3FF3AFBC2FF3DFBE4" box="[135,214,1053,1068]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FBC2FEFCFBE4" box="[218,279,1053,1068]" italics="true" pageId="25" pageNumber="426">giddingsi</emphasis>
McCosker, Long &amp; Baldwin, 2012
</taxonomicName>
</th>
<td id="76D15DBF7D080045FDEEFBC5FD6FFBE4" box="[595,644,1050,1068]" gridcol="1" gridrow="2" pageId="25" pageNumber="426">&gt;45 cm</td>
<td id="76D15DBF7D080045FD73FBC5FD1BFBE4" box="[718,752,1050,1068]" gridcol="2" gridrow="2" pageId="25" pageNumber="426">SEP</td>
<td id="76D15DBF7D080045FC90FBC5FC93FBE4" box="[813,888,1050,1068]" gridcol="3" gridrow="2" pageId="25" pageNumber="426">428562 m</td>
<td id="76D15DBF7D080045FC1BFBC5FC0DFBE4" box="[934,998,1050,1068]" gridcol="4" gridrow="2" pageId="25" pageNumber="426">unknown</td>
<td id="76D15DBF7D080045FBB1FBC5FBA7FBE4" box="[1036,1100,1050,1068]" gridcol="5" gridrow="2" pageId="25" pageNumber="426">2023 7</td>
<td id="76D15DBF7D080045FBDBFBC5FB4DFBE4" box="[1126,1190,1050,1068]" gridcol="6" gridrow="2" pageId="25" pageNumber="426">2326 7</td>
<td id="76D15DBF7D080045FB5DFBC5FAFFFBE4" box="[1248,1300,1050,1068]" gridcol="7" gridrow="2" pageId="25" pageNumber="426">3942 7</td>
<td id="76D15DBF7D080045FAD1FBC5FA48FBE4" box="[1388,1443,1050,1068]" gridcol="8" gridrow="2" pageId="25" pageNumber="426">4044 7*</td>
<td id="76D15DBF7D080045FA5CFBC5F9FEFBE4" box="[1505,1557,1050,1068]" gridcol="9" gridrow="2" pageId="25" pageNumber="426">8185 7</td>
<td id="76D15DBF7D080045F98FFBC5F993FBE4" box="[1586,1656,1050,1068]" gridcol="10" gridrow="2" pageId="25" pageNumber="426">~40~51 7</td>
<td id="76D15DBF7D080045F92CFBC5F90CFBE4" box="[1681,1767,1050,1068]" gridcol="11" gridrow="2" pageId="25" pageNumber="426">~121~134 7</td>
</tr>
</table>
</paragraph>
<paragraph id="8B8F36817D08FFA3FF3AFB8FF8D0FA7A" pageId="25" pageNumber="426">
<table id="F930C4217D080045FF3AFB92F8D4FA05" box="[135,1855,1101,1485]" gridcols="13" gridrows="7" pageId="25" pageNumber="426">
<tr id="350034C37D080045FF3AFB92F8D4FBBA" box="[135,1855,1101,1138]" gridrow="0" pageId="25" pageNumber="426">
<th id="76D15DBF7D080045FF3AFB92FDCDFBBA" box="[135,550,1101,1138]" gridcol="0" gridrow="0" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFB8FFE9CFB97" authority="(Alcock, 1891)" authorityName="Alcock" authorityYear="1891" baseAuthorityName="Alcock" baseAuthorityYear="1891" box="[135,375,1104,1119]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D08FFA3FF3AFB8FFF3DFB97" box="[135,214,1104,1119]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FB8FFEFBFB97" box="[218,272,1104,1119]" italics="true" pageId="25" pageNumber="426">hispidus</emphasis>
(Alcock, 1891)
</taxonomicName>
</th>
<th id="76D15DBF7D080045FDEEFB92FD6FFBBA" box="[595,644,1101,1138]" gridcol="1" gridrow="0" pageId="25" pageNumber="426">32 cm</th>
<th id="76D15DBF7D080045FD7FFB92FCEDFBBA" box="[706,774,1101,1138]" gridcol="2" gridrow="0" pageId="25" pageNumber="426">WIO, EIO</th>
<th id="76D15DBF7D080045FC94FB92FC90FBBA" box="[809,891,1101,1138]" gridcol="3" gridrow="0" pageId="25" pageNumber="426">200800 m</th>
<th id="76D15DBF7D080045FC1BFB92FC0DFBBA" box="[934,998,1101,1138]" gridcol="4" gridrow="0" pageId="25" pageNumber="426">yolk-sac viviparity</th>
<th id="76D15DBF7D080045FBAFFB92FBACFBBA" box="[1042,1095,1101,1138]" gridcol="5" gridrow="0" pageId="25" pageNumber="426">6770 2</th>
<th id="76D15DBF7D080045FBD1FB92FB4BFBBA" box="[1132,1184,1101,1138]" gridcol="6" gridrow="0" pageId="25" pageNumber="426">6183 2</th>
<th id="76D15DBF7D080045FB5DFB92FAFFFBBA" box="[1248,1300,1101,1138]" gridcol="7" gridrow="0" pageId="25" pageNumber="426">3538 14</th>
<th id="76D15DBF7D080045FAD3FB92FA49FBBA" box="[1390,1442,1101,1138]" gridcol="8" gridrow="0" pageId="25" pageNumber="426">3741 2</th>
<th id="76D15DBF7D080045FA5CFB92F9FEFBBA" box="[1505,1557,1101,1138]" gridcol="9" gridrow="0" pageId="25" pageNumber="426">7478 2</th>
<th id="76D15DBF7D080045F98FFB92F993FBBA" box="[1586,1656,1101,1138]" gridcol="10" gridrow="0" pageId="25" pageNumber="426">48 2</th>
<th id="76D15DBF7D080045F92CFB92F90CFBBA" box="[1681,1767,1101,1138]" gridcol="11" gridrow="0" pageId="25" pageNumber="426">122131 14</th>
<th id="76D15DBF7D080045F8A4FB92F8D4FBBA" box="[1817,1855,1101,1138]" gridcol="12" gridrow="0" pageId="25" pageNumber="426">810 3</th>
</tr>
<tr id="350034C37D080045FF3AFB4FF8D4FB57" box="[135,1855,1168,1183]" gridrow="1" pageId="25" pageNumber="426" rowspan-10="1" rowspan-11="1" rowspan-12="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
<th id="76D15DBF7D080045FF3AFB4FFDCDFB57" box="[135,550,1168,1183]" gridcol="0" gridrow="1" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFB4FFE50FB57" authority="Chu &amp; Meng, 1982" authorityName="Chu &amp; Meng" authorityYear="1982" box="[135,443,1168,1183]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D08FFA3FF3AFB4FFF3DFB57" box="[135,214,1168,1183]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FB4FFEC6FB57" box="[218,301,1168,1183]" italics="true" pageId="25" pageNumber="426">immaculatus</emphasis>
(Chu &amp; Meng, 1982)
</taxonomicName>
</th>
<td id="76D15DBF7D080045FDEEFB4FFD6FFB57" box="[595,644,1168,1183]" gridcol="1" gridrow="1" pageId="25" pageNumber="426">76 cm</td>
<td id="76D15DBF7D080045FD7FFB4FFCEDFB57" box="[706,774,1168,1183]" gridcol="2" gridrow="1" pageId="25" pageNumber="426">NWP</td>
<td id="76D15DBF7D080045FC94FB4FFC90FB57" box="[809,891,1168,1183]" gridcol="3" gridrow="1" pageId="25" pageNumber="426">5341020 m</td>
<td id="76D15DBF7D080045FC1BFB4FFC0DFB57" box="[934,998,1168,1183]" gridcol="4" gridrow="1" pageId="25" pageNumber="426">unknown</td>
</tr>
<tr id="350034C37D080045FF3AFB1EF8D4FB1B" box="[135,1855,1217,1235]" gridrow="2" pageId="25" pageNumber="426" rowspan-12="1">
<th id="76D15DBF7D080045FF3AFB1EFDCDFB1B" box="[135,550,1217,1235]" gridcol="0" gridrow="2" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFB1BFE75FB1A" authority="Last &amp; Stevens, 2008" authorityName="Last &amp; Stevens" authorityYear="2008" box="[135,414,1220,1235]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="incanus">
<emphasis id="B944EA937D08FFA3FF3AFB1BFF3DFB1B" box="[135,214,1220,1235]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FB1AFEE6FB1B" box="[218,269,1221,1235]" italics="true" pageId="25" pageNumber="426">incanus</emphasis>
Last &amp; Stevens, 2008
</taxonomicName>
</th>
<td id="76D15DBF7D080045FDEEFB1EFD6FFB1B" box="[595,644,1217,1235]" gridcol="1" gridrow="2" pageId="25" pageNumber="426">&gt;45 cm</td>
<td id="76D15DBF7D080045FD7FFB1EFCEDFB1B" box="[706,774,1217,1235]" gridcol="2" gridrow="2" pageId="25" pageNumber="426">EIO</td>
<td id="76D15DBF7D080045FC94FB1EFC90FB1B" box="[809,891,1217,1235]" gridcol="3" gridrow="2" pageId="25" pageNumber="426">9001000 m</td>
<td id="76D15DBF7D080045FC1BFB1EFC0DFB1B" box="[934,998,1217,1235]" gridcol="4" gridrow="2" pageId="25" pageNumber="426">unknown</td>
<td id="76D15DBF7D080045FBAFFB1EFBACFB1B" box="[1042,1095,1217,1235]" gridcol="5" gridrow="2" pageId="25" pageNumber="426">~99 1</td>
<td id="76D15DBF7D080045FBD1FB1EFB4BFB1B" box="[1132,1184,1217,1235]" gridcol="6" gridrow="2" pageId="25" pageNumber="426">~101 1</td>
<td id="76D15DBF7D080045FB5DFB1EFAFFFB1B" box="[1248,1300,1217,1235]" gridcol="7" gridrow="2" pageId="25" pageNumber="426">46 1</td>
<td id="76D15DBF7D080045FAD3FB1EFA49FB1B" box="[1390,1442,1217,1235]" gridcol="8" gridrow="2" pageId="25" pageNumber="426">~47 1</td>
<td id="76D15DBF7D080045FA5CFB1EF9FEFB1B" box="[1505,1557,1217,1235]" gridcol="9" gridrow="2" pageId="25" pageNumber="426">~93 1</td>
<td id="76D15DBF7D080045F98FFB1EF993FB1B" box="[1586,1656,1217,1235]" gridcol="10" gridrow="2" pageId="25" pageNumber="426">~49 1</td>
<td id="76D15DBF7D080045F92CFB1EF90CFB1B" box="[1681,1767,1217,1235]" gridcol="11" gridrow="2" pageId="25" pageNumber="426">~142 1</td>
</tr>
<tr id="350034C37D080045FF3AFB2BF8D4FAD1" box="[135,1855,1268,1305]" gridrow="3" pageId="25" pageNumber="426">
<th id="76D15DBF7D080045FF3AFB2BFDCDFAD1" box="[135,550,1268,1305]" gridcol="0" gridrow="3" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFB28FE3FFACE" authority="Springer &amp; D'Aubrey, 1972" authorityName="Springer &amp; D'Aubrey" authorityYear="1972" box="[135,468,1271,1286]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D08FFA3FF3AFB28FF3DFACE" box="[135,214,1271,1286]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FB28FEE6FACE" box="[218,269,1271,1286]" italics="true" pageId="25" pageNumber="426">lutarius</emphasis>
(Springer &amp; DAubrey, 1972)
</taxonomicName>
</th>
<td id="76D15DBF7D080045FDEEFB2BFD6FFAD1" box="[595,644,1268,1305]" gridcol="1" gridrow="3" pageId="25" pageNumber="426">39 cm</td>
<td id="76D15DBF7D080045FD7FFB2BFCEDFAD1" box="[706,774,1268,1305]" gridcol="2" gridrow="3" pageId="25" pageNumber="426">WIO</td>
<td id="76D15DBF7D080045FC94FB2BFC90FAD1" box="[809,891,1268,1305]" gridcol="3" gridrow="3" pageId="25" pageNumber="426">338766 m</td>
<td id="76D15DBF7D080045FC1BFB2BFC0DFAD1" box="[934,998,1268,1305]" gridcol="4" gridrow="3" pageId="25" pageNumber="426">yolk-sac viviparity</td>
<td id="76D15DBF7D080045FBAFFB2BFBACFAD1" box="[1042,1095,1268,1305]" gridcol="5" gridrow="3" pageId="25" pageNumber="426">7476 2</td>
<td id="76D15DBF7D080045FBD1FB2BFB4BFAD1" box="[1132,1184,1268,1305]" gridcol="6" gridrow="3" pageId="25" pageNumber="426">7886 2</td>
<td id="76D15DBF7D080045FB5DFB2BFAFFFAD1" box="[1248,1300,1268,1305]" gridcol="7" gridrow="3" pageId="25" pageNumber="426">3842 29</td>
<td id="76D15DBF7D080045FAD3FB2BFA49FAD1" box="[1390,1442,1268,1305]" gridcol="8" gridrow="3" pageId="25" pageNumber="426">4450 12</td>
<td id="76D15DBF7D080045FA5CFB2BF9FEFAD1" box="[1505,1557,1268,1305]" gridcol="9" gridrow="3" pageId="25" pageNumber="426">8289 18</td>
<td id="76D15DBF7D080045F98FFB2BF993FAD1" box="[1586,1656,1268,1305]" gridcol="10" gridrow="3" pageId="25" pageNumber="426">49 1</td>
<td id="76D15DBF7D080045F92CFB2BF90CFAD1" box="[1681,1767,1268,1305]" gridcol="11" gridrow="3" pageId="25" pageNumber="426">129142 46</td>
<td id="76D15DBF7D080045F8A4FB2BF8D4FAD1" box="[1817,1855,1268,1305]" gridcol="12" gridrow="3" pageId="25" pageNumber="426">10 2</td>
</tr>
<tr id="350034C37D080045FF3AFAEBF8D4FA91" box="[135,1855,1332,1369]" gridrow="4" pageId="25" pageNumber="426">
<th id="76D15DBF7D080045FF3AFAEBFDCDFA91" box="[135,550,1332,1369]" gridcol="0" gridrow="4" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFAE7FE74FA8E" authority="Ebert &amp; Clerkin, 2015" authorityName="Ebert &amp; Clerkin" authorityYear="2015" box="[135,415,1336,1351]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="naylori">
<emphasis id="B944EA937D08FFA3FF3AFAE7FF3DFA8F" box="[135,214,1336,1351]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FAE7FEE2FA8F" box="[218,265,1336,1351]" italics="true" pageId="25" pageNumber="426">naylori</emphasis>
Ebert &amp; Clerkin, 2015
</taxonomicName>
</th>
<td id="76D15DBF7D080045FDEEFAEBFD6FFA91" box="[595,644,1332,1369]" gridcol="1" gridrow="4" pageId="25" pageNumber="426">55 cm</td>
<td id="76D15DBF7D080045FD7FFAEBFCEDFA91" box="[706,774,1332,1369]" gridcol="2" gridrow="4" pageId="25" pageNumber="426">WIO</td>
<td id="76D15DBF7D080045FC94FAEBFC90FA91" box="[809,891,1332,1369]" gridcol="3" gridrow="4" pageId="25" pageNumber="426">7521443 m</td>
<td id="76D15DBF7D080045FC1BFAEBFC0DFA91" box="[934,998,1332,1369]" gridcol="4" gridrow="4" pageId="25" pageNumber="426">single oviparity</td>
<td id="76D15DBF7D080045FBAFFAEBFBACFA91" box="[1042,1095,1332,1369]" gridcol="5" gridrow="4" pageId="25" pageNumber="426">&gt;70 10</td>
<td id="76D15DBF7D080045FBD1FAEBFB4BFA91" box="[1132,1184,1332,1369]" gridcol="6" gridrow="4" pageId="25" pageNumber="426">&gt;70 10</td>
<td id="76D15DBF7D080045FB5DFAEBFAFFFA91" box="[1248,1300,1332,1369]" gridcol="7" gridrow="4" pageId="25" pageNumber="426">3641 10</td>
<td id="76D15DBF7D080045FAD3FAEBFA49FA91" box="[1390,1442,1332,1369]" gridcol="8" gridrow="4" pageId="25" pageNumber="426">2538 10</td>
<td id="76D15DBF7D080045FA5CFAEBF9FEFA91" box="[1505,1557,1332,1369]" gridcol="9" gridrow="4" pageId="25" pageNumber="426">6478 10</td>
<td id="76D15DBF7D080045F98FFAEBF993FA91" box="[1586,1656,1332,1369]" gridcol="10" gridrow="4" pageId="25" pageNumber="426">~44~54 10</td>
<td id="76D15DBF7D080045F92CFAEBF90CFA91" box="[1681,1767,1332,1369]" gridcol="11" gridrow="4" pageId="25" pageNumber="426">~114~128 10</td>
<td id="76D15DBF7D080045F8A4FAEBF8D4FA91" box="[1817,1855,1332,1369]" gridcol="12" gridrow="4" pageId="25" pageNumber="426">78 6</td>
</tr>
<tr id="350034C37D080045FF3AFAAAF8D4FA4F" box="[135,1855,1397,1415]" gridrow="5" pageId="25" pageNumber="426" rowspan-12="1">
<th id="76D15DBF7D080045FF3AFAAAFDCDFA4F" box="[135,550,1397,1415]" gridcol="0" gridrow="5" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFAA7FDCDFA4E" authority="Kaschner, Weigmann &amp; Thiel, 2015" authorityName="Kaschner, Weigmann &amp; Thiel" authorityYear="2015" box="[135,550,1400,1415]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="B944EA937D08FFA3FF3AFAA7FF3DFA4F" box="[135,214,1400,1415]" italics="true" pageId="25" pageNumber="426">Bythaelurus</emphasis>
<emphasis id="B944EA937D08FFA3FF67FAA7FEDEFA4F" box="[218,309,1400,1415]" italics="true" pageId="25" pageNumber="426">tenuicephalus</emphasis>
Kaschner, Weigmann &amp; Thiel, 2015
</taxonomicName>
</th>
<td id="76D15DBF7D080045FDEEFAAAFD6FFA4F" box="[595,644,1397,1415]" gridcol="1" gridrow="5" pageId="25" pageNumber="426">30 cm</td>
<td id="76D15DBF7D080045FD7FFAAAFCEDFA4F" box="[706,774,1397,1415]" gridcol="2" gridrow="5" pageId="25" pageNumber="426">WIO</td>
<td id="76D15DBF7D080045FC94FAAAFC90FA4F" box="[809,891,1397,1415]" gridcol="3" gridrow="5" pageId="25" pageNumber="426">463550 m</td>
<td id="76D15DBF7D080045FC1BFAAAFC0DFA4F" box="[934,998,1397,1415]" gridcol="4" gridrow="5" pageId="25" pageNumber="426">unknown</td>
<td id="76D15DBF7D080045FBAFFAAAFBACFA4F" box="[1042,1095,1397,1415]" gridcol="5" gridrow="5" pageId="25" pageNumber="426">6776 2</td>
<td id="76D15DBF7D080045FBD1FAAAFB4BFA4F" box="[1132,1184,1397,1415]" gridcol="6" gridrow="5" pageId="25" pageNumber="426">6264 2</td>
<td id="76D15DBF7D080045FB5DFAAAFAFFFA4F" box="[1248,1300,1397,1415]" gridcol="7" gridrow="5" pageId="25" pageNumber="426">3840 2</td>
<td id="76D15DBF7D080045FAD3FAAAFA49FA4F" box="[1390,1442,1397,1415]" gridcol="8" gridrow="5" pageId="25" pageNumber="426">4350 2</td>
<td id="76D15DBF7D080045FA5CFAAAF9FEFA4F" box="[1505,1557,1397,1415]" gridcol="9" gridrow="5" pageId="25" pageNumber="426">8388 2</td>
<td id="76D15DBF7D080045F98FFAAAF993FA4F" box="[1586,1656,1397,1415]" gridcol="10" gridrow="5" pageId="25" pageNumber="426">50 2</td>
<td id="76D15DBF7D080045F92CFAAAF90CFA4F" box="[1681,1767,1397,1415]" gridcol="11" gridrow="5" pageId="25" pageNumber="426">133138 2</td>
</tr>
<tr id="350034C37D080045FF3AFA77F8D4FA05" box="[135,1855,1448,1485]" gridrow="6" pageId="25" pageNumber="426">
<th id="76D15DBF7D080045FF3AFA77FDCDFA05" box="[135,550,1448,1485]" gridcol="0" gridrow="6" pageId="25" pageNumber="426">
<emphasis id="B944EA937D08FFA3FF3AFA74FEC6FA72" bold="true" box="[135,301,1451,1466]" pageId="25" pageNumber="426">
<taxonomicName id="4C304D027D08FFA3FF3AFA74FEE8FA72" box="[135,259,1451,1466]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="bachi" status="sp. nov.">
<emphasis id="B944EA937D08FFA3FF3AFA74FEE8FA72" bold="true" box="[135,259,1451,1466]" italics="true" pageId="25" pageNumber="426">Bythaelurus bachi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27757E87D08FFA3FEBAFA73FEC6FA72" box="[263,301,1452,1466]" pageId="25" pageNumber="426" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</th>
<td id="76D15DBF7D080045FDEEFA77FD6FFA05" box="[595,644,1448,1485]" gridcol="1" gridrow="6" pageId="25" pageNumber="426">45 cm</td>
<td id="76D15DBF7D080045FD7FFA77FCEDFA05" box="[706,774,1448,1485]" gridcol="2" gridrow="6" pageId="25" pageNumber="426">WIO</td>
<td id="76D15DBF7D080045FC94FA77FC90FA05" box="[809,891,1448,1485]" gridcol="3" gridrow="6" pageId="25" pageNumber="426">9101365 m</td>
<td id="76D15DBF7D080045FC1BFA77FC0DFA05" box="[934,998,1448,1485]" gridcol="4" gridrow="6" pageId="25" pageNumber="426">single oviparity</td>
<td id="76D15DBF7D080045FBAFFA77FBACFA05" box="[1042,1095,1448,1485]" gridcol="5" gridrow="6" pageId="25" pageNumber="426">7084 14</td>
<td id="76D15DBF7D080045FBD1FA77FB4BFA05" box="[1132,1184,1448,1485]" gridcol="6" gridrow="6" pageId="25" pageNumber="426">6076 14</td>
<td id="76D15DBF7D080045FB5DFA77FAFFFA05" box="[1248,1300,1448,1485]" gridcol="7" gridrow="6" pageId="25" pageNumber="426">3843 28</td>
<td id="76D15DBF7D080045FAD3FA77FA49FA05" box="[1390,1442,1448,1485]" gridcol="8" gridrow="6" pageId="25" pageNumber="426">3343 28</td>
<td id="76D15DBF7D080045FA5CFA77F9FEFA05" box="[1505,1557,1448,1485]" gridcol="9" gridrow="6" pageId="25" pageNumber="426">7383 28</td>
<td id="76D15DBF7D080045F98FFA77F993FA05" box="[1586,1656,1448,1485]" gridcol="10" gridrow="6" pageId="25" pageNumber="426">4856 28</td>
<td id="76D15DBF7D080045F92CFA77F90CFA05" box="[1681,1767,1448,1485]" gridcol="11" gridrow="6" pageId="25" pageNumber="426">124132 28</td>
<td id="76D15DBF7D080045F8A4FA77F8D4FA05" box="[1817,1855,1448,1485]" gridcol="12" gridrow="6" pageId="25" pageNumber="426">68 3</td>
</tr>
</table>
</paragraph>
<subSubSection id="C32A650A7D08FFA0FF3AFA33FEF5F998" lastPageId="26" lastPageNumber="427" pageId="25" pageNumber="426" type="description">
<paragraph id="8B8F36817D08FFA3FF3AFA33FA07F98F" blockId="25.[135,1883,1515,1608]" pageId="25" pageNumber="426">
<emphasis id="B944EA937D08FFA3FF3AFA33FF57FA32" bold="true" box="[135,188,1516,1530]" pageId="25" pageNumber="426">Footer:</emphasis>
Superscript numbers in meristics indicate numbers of specimens on which the values are based. * In
<tableCitation id="C6B2033A7D08FFA3FCE0FA33FC64FA32" box="[861,911,1516,1530]" captionStart="TABLE 2" captionStartId="20.[151,239,152,175]" captionTargetBox="[159,1416,268,847]" captionTargetPageId="20" captionText="TABLE 2. Morphometric differences between post-embryonic, small immature, and large immature plus adult type specimens of Bythaelurus bachi. Proportional values are expressed as percentages of total length (TL) 70 % ethanol preserved." httpUri="http://table.plazi.org/id/DF4F66097D05FFAEFF2AFF47FEEDFF38" pageId="25" pageNumber="426" tableUuid="DF4F66097D05FFAEFF2AFF47FEEDFF38">Table 2</tableCitation>
of
<bibRefCitation id="EFA14B707D08FFA3FC1AFA33FBAFFA32" box="[935,1092,1515,1530]" pageId="25" pageNumber="426" refString="McCosker, J. E., Long, D. J. &amp; Baldwin, C. C. (2012) Description of a new species of deepwater catshark, Bythaelurus giddingsi sp. nov., from the Galapagos Islands (Chondrichthyes: Carcharhiniformes: Scylorhinidae). Zootaxa, 3221, 48 - 59." type="journal article">
McCosker
<emphasis id="B944EA937D08FFA3FC4DFA33FBE6FA32" box="[1008,1037,1515,1530]" italics="true" pageId="25" pageNumber="426">et al</emphasis>
. (2012)
</bibRefCitation>
, individual values for diplospondylous precaudal count indicate a maximum of 44, but range indicates 43 as maximum count. Data sources: data of
<taxonomicName id="4C304D027D08FFA3FEF9FA20FE57F9C6" box="[324,444,1535,1550]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="bachi">
<emphasis id="B944EA937D08FFA3FEF9FA20FE57F9C6" box="[324,444,1535,1550]" italics="true" pageId="25" pageNumber="426">Bythaelurus bachi</emphasis>
</taxonomicName>
from the present study, sources for all other species: maximum total length and geographic distribution from
<bibRefCitation id="EFA14B707D08FFA3FB28FA20FAE5F9C5" author="Weigmann" box="[1173,1294,1535,1549]" pageId="25" pageNumber="426" refString="Weigmann, S. (2016) Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3), 837 - 1037. http: // dx. doi. org / 10.1111 / jfb. 12874" type="journal article" year="2016">Weigmann (2016)</bibRefCitation>
except for maximum total length of
<taxonomicName id="4C304D027D08FFA3F9BEF9DFF9A6F9C6" box="[1539,1613,1535,1550]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D08FFA3F9BEF9DFF9A6F9C6" box="[1539,1613,1535,1550]" italics="true" pageId="25" pageNumber="426">B. hispidus</emphasis>
</taxonomicName>
based on comparative specimen SAIAB 13741; depth data from
<bibRefCitation id="EFA14B707D08FFA3FE99F9CCFE77F9E9" author="Weigmann" box="[292,412,1555,1569]" pageId="25" pageNumber="426" refString="Weigmann, S. (2016) Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3), 837 - 1037. http: // dx. doi. org / 10.1111 / jfb. 12874" type="journal article" year="2016">Weigmann (2016)</bibRefCitation>
except for maximum depth of
<taxonomicName id="4C304D027D08FFA3FDDBF9CCFD51F9E9" box="[614,698,1555,1569]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D08FFA3FDDBF9CCFD51F9E9" box="[614,698,1555,1569]" italics="true" pageId="25" pageNumber="426">B. canescens</emphasis>
</taxonomicName>
from
<bibRefCitation id="EFA14B707D08FFA3FD5FF9CCFC48F9E9" author="Melendez" box="[738,931,1555,1569]" pageId="25" pageNumber="426" refString="Melendez, R. &amp; Meneses, D. (1989) Tiburones del talud continental recolectados entre Arica (18 ° 19 ' S) e Isla Mocha (38 ° 30 ' S), Chile. Investigaciones Marinas, Falparaiso, 17, 3 - 73." type="journal article" year="1989">Meléndez &amp; Meneses (1989)</bibRefCitation>
; reproductive modes from
<bibRefCitation id="EFA14B707D08FFA3FBEFF9CCFB5FF9E9" author="Francis" box="[1106,1204,1555,1569]" pageId="25" pageNumber="426" refString="Francis, M. P. (2006) Distribution and biology of the New Zealand endemic catshark, Halaelurus dawsoni. Environmental Biology of Fishes, 75 (3), 295 - 306. http: // dx. doi. org / 10.1007 / s 10641 - 006 - 0026 - 0" type="journal article" year="2006">Francis (2006)</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FB06F9CCFAA8F9E9" box="[1211,1347,1554,1569]" pageId="25" pageNumber="426" refString="Concha, F., Bustamante, C., Oddone, M. C., Hernandez, S. &amp; Lamilla, J. (2010) Egg capsules of the dusky catshark Bythaelurus canescens (Carcharhiniformes, Scyliorhinidae) from the south-eastern Pacific Ocean. Journal of Fish Biology, 77 (4), 963 - 971. http: // dx. doi. org / 10.1111 / j. 1095 - 8649.2010.02736. x" type="journal article">
Concha
<emphasis id="B944EA937D08FFA3FB4CF9CCFAE5F9E9" box="[1265,1294,1554,1569]" italics="true" pageId="25" pageNumber="426">et al</emphasis>
. (2010)
</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FAF7F9CCFA32F9E9" box="[1354,1497,1554,1569]" pageId="25" pageNumber="426" refString="Akhilesh, K. V., White, W. T., Bineesh, K. K., Ganga, U. &amp; Pillai, N. G. K. (2013) Biological observations on the bristly catshark Bythaelurus hispidus from deep waters off the south-west coast of India. Journal of Fish Biology, 82 (5), 1582 - 1591. http: // dx. doi. org / 10.1111 / jfb. 12087" type="journal article">
Akhilesh
<emphasis id="B944EA937D08FFA3FA34F9CCFA4EF9E9" box="[1417,1445,1554,1569]" italics="true" pageId="25" pageNumber="426">et al</emphasis>
. (2013)
</bibRefCitation>
and
<bibRefCitation id="EFA14B707D08FFA3FA44F9CCF97FF9E9" author="Ebert" box="[1529,1684,1555,1569]" pageId="25" pageNumber="426" refString="Ebert, D. A. &amp; Clerkin, P. J. (2015) A new species of deep-sea catshark (Scyliorhinidae: Bythaelurus) from the southwestern Indian Ocean. Journal of the Ocean Science Foundation, 15, 53 - 63." type="journal article" year="2015">Ebert &amp; Clerkin (2015)</bibRefCitation>
; counts from
<bibRefCitation id="EFA14B707D08FFA3F950F9CCF8BDF9E9" author="Springer" box="[1773,1878,1555,1569]" pageId="25" pageNumber="426" refString="Springer, S. (1971) A new cat shark (Scyliorhinidae) from New Zealand. Records of the Dominion Museum, 7 (18), 235 - 241." type="journal article" year="1971">Springer (1971)</bibRefCitation>
, Springer &amp; D'Aubrey (1972),
<bibRefCitation id="EFA14B707D08FFA3FEF2F9F9FE2CF9FC" box="[335,455,1573,1588]" pageId="25" pageNumber="426" refString="Bass, A. J., D'Aubrey, J. D. &amp; Kistnasamy, N. (1975) Sharks of the east coast of southern Africa. II. The families Scyliorhinidae and Pseudotriakidae. Investigational Report, Oceanographic Research Institute, 37, 1 - 64." type="journal article">
Bass
<emphasis id="B944EA937D08FFA3FECEF9F9FE7AF9FC" box="[371,401,1573,1588]" italics="true" pageId="25" pageNumber="426">et al</emphasis>
. (1975)
</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FE73F9F9FDD2F9FC" author="Springer" box="[462,569,1574,1588]" pageId="25" pageNumber="426" refString="Springer, S. (1979) A revision of the catsharks, family Scyliorhinidae. NOAA Technical Report NMFS Circular, 422, 1 - 152." type="journal article" year="1979">Springer (1979)</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FDFDF9F9FD7FF9FC" author="Seret" box="[576,660,1574,1588]" pageId="25" pageNumber="426" refString="Seret, B. (1987) Halaelurus clevai, sp. n., a new species of catshark (Scyliorhinidae) from off Madagascar, with remarks on the taxonomic status of the genera Halaelurus Gill &amp; Galeus Rafinesque. J. L. B. Smith Institute of Ichthyology Special Publication, 44, 1 - 27." type="journal article" year="1987">Séret (1987)</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FD26F9F9FCFEF9FC" author="Compagno" box="[667,789,1574,1588]" pageId="25" pageNumber="426" refString="Compagno, L. J. V. (1988) Sharks of the order Carcharhiniformes. Princeton University Press, New Jersey, 486 pp." type="book" year="1988">Compagno (1988)</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FCA0F9F9FC5EF9FC" author="Last" box="[797,949,1574,1588]" pageId="25" pageNumber="426" refString="Last, P. R. &amp; Stevens, J. D. (2008) Bythaelurus incanus sp. nov., a new deepwater catshark (Carcharhiniformes: Scyliorhinidae) from northwestern Australia. In: Last, P. R., White, W. T. &amp; Pogonoski, J. J. (Eds.) Descriptions of New Australian Chondrichthyans. CSIRO Marine &amp; Atmospheric Research Paper No. 0 22, pp. 123 - 128." type="journal article" year="2008">Last &amp; Stevens (2008)</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FC01F9F9FBB1F9FC" box="[956,1114,1573,1588]" pageId="25" pageNumber="426" refString="McCosker, J. E., Long, D. J. &amp; Baldwin, C. C. (2012) Description of a new species of deepwater catshark, Bythaelurus giddingsi sp. nov., from the Galapagos Islands (Chondrichthyes: Carcharhiniformes: Scylorhinidae). Zootaxa, 3221, 48 - 59." type="journal article">
McCosker
<emphasis id="B944EA937D08FFA3FBB8F9F9FBC8F9FC" box="[1029,1059,1573,1588]" italics="true" pageId="25" pageNumber="426">et al</emphasis>
. (2012)
</bibRefCitation>
,
<bibRefCitation id="EFA14B707D08FFA3FBDCF9F9FB16F9FC" author="Ebert" box="[1121,1277,1574,1588]" pageId="25" pageNumber="426" refString="Ebert, D. A. &amp; Clerkin, P. J. (2015) A new species of deep-sea catshark (Scyliorhinidae: Bythaelurus) from the southwestern Indian Ocean. Journal of the Ocean Science Foundation, 15, 53 - 63." type="journal article" year="2015">Ebert &amp; Clerkin (2015)</bibRefCitation>
and
<bibRefCitation id="EFA14B707D08FFA3FAA3F9F9FA5EF9FC" box="[1310,1461,1573,1588]" pageId="25" pageNumber="426" refString="Kaschner, C. J., Weigmann, S. &amp; Thiel, R. (2015) Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean. Zootaxa, 4013 (1), 120 - 138. http: // dx. doi. org / 10.11646 / zootaxa. 4013.1.9" type="journal article">
Kaschner
<emphasis id="B944EA937D08FFA3FADCF9F9FA94F9FC" box="[1377,1407,1573,1588]" italics="true" pageId="25" pageNumber="426">et al</emphasis>
. (2015)
</bibRefCitation>
, as well as unpublished counts of comparative specimens of
<taxonomicName id="4C304D027D08FFA3F8F6F9F9FF22F980" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D08FFA3F8F6F9F9FF22F980" italics="true" pageId="25" pageNumber="426">B. canescens</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D08FFA3FF54F9E5FEDAF980" box="[233,305,1593,1608]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="25" pageNumber="426" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D08FFA3FF54F9E5FEDAF980" box="[233,305,1593,1608]" italics="true" pageId="25" pageNumber="426">B. dawsoni</emphasis>
</taxonomicName>
. Abbreviations: EIO = eastern Indian Ocean, NWP = northwestern Pacific Ocean, SEP = southeastern Pacific Ocean, SWP = southwestern Pacific Ocean, WIO = western Indian Ocean.
</paragraph>
<paragraph id="8B8F36817D0BFFA0FF2AFF47FCC8FD6F" blockId="26.[151,1437,151,1616]" pageId="26" pageNumber="427">
1987). This species has a grayish coloration with a pattern of dark brown saddle-like markings on back and tail, with variegated dark brown blotches on flanks, is grayish with brown speckles inside of the mouth, has a whitish ventral surface, matures at
<quantity id="4CC89B647D0BFFA0FE78FF00FDD8FF3F" box="[453,563,223,248]" metricMagnitude="-1" metricUnit="m" metricValue="3.2" metricValueMax="3.6" metricValueMin="2.8" pageId="26" pageNumber="427" unit="cm" value="32.0" valueMax="36.0" valueMin="28.0">2836 cm</quantity>
TL and reaches a maximum size of
<quantity id="4CC89B647D0BFFA0FC74FF3FFBE5FF3F" box="[969,1038,224,248]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="26" pageNumber="427" unit="cm" value="40.0">40 cm</quantity>
TL.
<taxonomicName id="4C304D027D0BFFA0FBF8FF3FFAC1FF30" box="[1093,1322,224,248]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D0BFFA0FBF8FF3FFAC1FF30" box="[1093,1322,224,248]" italics="true" pageId="26" pageNumber="427">Bythaelurus lutarius</emphasis>
</taxonomicName>
so far has been confirmed only from off Mozambique. The records of
<taxonomicName id="4C304D027D0BFFA0FCF4FEDAFC29FED4" box="[841,962,260,284]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D0BFFA0FCF4FEDAFC29FED4" box="[841,962,260,284]" italics="true" pageId="26" pageNumber="427">B. lutarius</emphasis>
</taxonomicName>
from off Somalia (Springer &amp; DAubrey 1972;
<bibRefCitation id="EFA14B707D0BFFA0FF60FEF7FE7AFE88" author="Bass" box="[221,401,295,320]" pageId="26" pageNumber="427" refString="Bass, A. J., D'Aubrey, J. D. &amp; Kistnasamy, N. (1975) Sharks of the east coast of southern Africa. II. The families Scyliorhinidae and Pseudotriakidae. Investigational Report, Oceanographic Research Institute, 37, 1 - 64." type="journal article" year="1975">
Bass
<emphasis id="B944EA937D0BFFA0FEA5FEF6FEA2FE88" box="[280,329,296,320]" italics="true" pageId="26" pageNumber="427">et al</emphasis>
. 1975
</bibRefCitation>
;
<bibRefCitation id="EFA14B707D0BFFA0FE21FEF8FDD7FE88" author="Springer" box="[412,572,295,320]" pageId="26" pageNumber="427" refString="Springer, S. (1979) A revision of the catsharks, family Scyliorhinidae. NOAA Technical Report NMFS Circular, 422, 1 - 152." type="journal article" year="1979">Springer 1979</bibRefCitation>
) are based
<collectedFrom id="382C757C7D0BFFA0FD04FEF7FC7DFE88" box="[697,918,296,320]" pageId="26" pageNumber="427">
on
<taxonomicName id="4C304D027D0BFFA0FD66FEF6FC7DFE88" box="[731,918,296,320]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="B944EA937D0BFFA0FD66FEF6FC7DFE88" box="[731,918,296,320]" italics="true" pageId="26" pageNumber="427">B. tenuicephalus</emphasis>
</taxonomicName>
</collectedFrom>
and an undescribed
<taxonomicName id="4C304D027D0BFFA0FBC4FEF7FAEBFE88" box="[1145,1280,296,320]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D0BFFA0FBC4FEF7FAEBFE88" box="[1145,1280,296,320]" italics="true" pageId="26" pageNumber="427">Bythaelurus</emphasis>
</taxonomicName>
species in the ZMB collection.
<taxonomicName id="4C304D027D0BFFA0FEEAFE93FDD7FEAC" box="[343,572,332,356]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D0BFFA0FEEAFE93FDD7FEAC" box="[343,572,332,356]" italics="true" pageId="26" pageNumber="427">Bythaelurus lutarius</emphasis>
</taxonomicName>
has a largely plain coloration with dusky areas near the fins, an anal-fin base more than 1.5 times second dorsal-fin base length, a maturity size of
<quantity id="4CC89B647D0BFFA0FC21FEAFFBE0FE4F" box="[924,1035,368,392]" metricMagnitude="-1" metricUnit="m" metricValue="2.95" metricValueMax="3.1" metricValueMin="2.8" pageId="26" pageNumber="427" unit="cm" value="29.5" valueMax="31.0" valueMin="28.0">2831 cm</quantity>
TL and reaches a maximum size of
<quantity id="4CC89B647D0BFFA0FF2AFE4BFF35FE64" box="[151,222,404,428]" metricMagnitude="-1" metricUnit="m" metricValue="3.9" pageId="26" pageNumber="427" unit="cm" value="39.0">39 cm</quantity>
TL.
<taxonomicName id="4C304D027D0BFFA0FEA4FE4BFE11FE64" box="[281,506,404,428]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="naylori">
<emphasis id="B944EA937D0BFFA0FEA4FE4BFE11FE64" box="[281,506,404,428]" italics="true" pageId="26" pageNumber="427">Bythaelurus naylori</emphasis>
</taxonomicName>
is known only from the Southwest Indian Ridge. It has a medium to dark brown coloration with light fin edges and a distinct dark dusky-colored snout, a dorsal caudal-fin margin with prominent crest of comb-like dermal denticles, distinct labial furrows, with lowers noticeably longer than uppers, an anal-fin base length equal to or less than 1.5 times second dorsal-fin base length, matures at
<quantity id="4CC89B647D0BFFA0FBE0FDDFFB25FDDF" box="[1117,1230,512,536]" metricMagnitude="-1" metricUnit="m" metricValue="4.3" metricValueMax="4.8" metricValueMin="3.8" pageId="26" pageNumber="427" unit="cm" value="43.0" valueMax="48.0" valueMin="38.0">3848 cm</quantity>
TL and reaches a maximum size of
<quantity id="4CC89B647D0BFFA0FED9FDFBFE40FDF4" box="[356,427,548,573]" metricMagnitude="-1" metricUnit="m" metricValue="5.5" pageId="26" pageNumber="427" unit="cm" value="55.0">55 cm</quantity>
TL.
<taxonomicName id="4C304D027D0BFFA0FE58FDFBFCFAFDF4" box="[485,785,548,572]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="B944EA937D0BFFA0FE58FDFBFCFAFDF4" box="[485,785,548,572]" italics="true" pageId="26" pageNumber="427">Bythaelurus tenuicephalus</emphasis>
</taxonomicName>
is known only from off Tanzania and Mozambique. This species differs from all congeners in the narrow head without distinct lateral indention anterior to outer nostrils. Furthermore, the adult claspers are rather broad (base width ~2% TL) without knob-like apex, the species matures at ~
<quantity id="4CC89B647D0BFFA0FF7DFD4FFEEDFD6F" box="[192,262,656,680]" metricMagnitude="-1" metricUnit="m" metricValue="2.8" pageId="26" pageNumber="427" unit="cm" value="28.0">28 cm</quantity>
TL and reaches a maximum size of ~
<quantity id="4CC89B647D0BFFA0FD11FD4FFD19FD6F" box="[684,754,656,680]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" pageId="26" pageNumber="427" unit="cm" value="30.0">30 cm</quantity>
TL.
</paragraph>
<paragraph id="8B8F36817D0BFFA0FF7AFD6BFC1BFCF0" blockId="26.[151,1437,151,1616]" pageId="26" pageNumber="427">
The 12 currently valid species can be grouped into two general morphotypes: one consists of species with slender bodies, i.e.
<taxonomicName id="4C304D027D0BFFA0FED0FD07FDD5FD38" box="[365,574,728,752]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="clevai">
<emphasis id="B944EA937D0BFFA0FED0FD07FDD5FD38" box="[365,574,728,752]" italics="true" pageId="26" pageNumber="427">Bythaelurus clevai</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FDF6FD06FD2CFD38" box="[587,711,728,752]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D0BFFA0FDF6FD06FD2CFD38" box="[587,711,728,752]" italics="true" pageId="26" pageNumber="427">B. hispidus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FD69FD06FCA1FD38" box="[724,842,728,752]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D0BFFA0FD69FD06FCA1FD38" box="[724,842,728,752]" italics="true" pageId="26" pageNumber="427">B. lutarius</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D0BFFA0FCC2FD06FBD1FD38" box="[895,1082,728,752]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="B944EA937D0BFFA0FCC2FD06FBD1FD38" box="[895,1082,728,752]" italics="true" pageId="26" pageNumber="427">B. tenuicephalus</emphasis>
</taxonomicName>
, the other includes species with stocky bodies, at least in large specimens, i.e.
<taxonomicName id="4C304D027D0BFFA0FD21FD22FD12FCDC" box="[668,761,764,788]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="bachi">
<emphasis id="B944EA937D0BFFA0FD21FD22FD12FCDC" box="[668,761,764,788]" italics="true" pageId="26" pageNumber="427">B. bachi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FCB5FD22FC73FCDC" box="[776,920,765,788]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D0BFFA0FCB5FD22FC73FCDC" box="[776,920,765,788]" italics="true" pageId="26" pageNumber="427">B. canescens</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FC1AFD22FBC8FCDC" box="[935,1059,764,788]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D0BFFA0FC1AFD22FBC8FCDC" box="[935,1059,764,788]" italics="true" pageId="26" pageNumber="427">B. dawsoni</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FB8FFD22FB52FCDC" box="[1074,1209,764,788]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="giddingsi">
<emphasis id="B944EA937D0BFFA0FB8FFD22FB52FCDC" box="[1074,1209,764,788]" italics="true" pageId="26" pageNumber="427">B. giddingsi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FB7AFD22FA9EFCDC" box="[1223,1397,764,788]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D0BFFA0FB7AFD22FA9EFCDC" box="[1223,1397,764,788]" italics="true" pageId="26" pageNumber="427">B. immaculatus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FA39FD22FF05FCFF" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="incanus">
<emphasis id="B944EA937D0BFFA0FA39FD22FF05FCFF" italics="true" pageId="26" pageNumber="427">B. incanus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D0BFFA0FE99FCFEFE7EFCF0" box="[292,405,800,824]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="naylori">
<emphasis id="B944EA937D0BFFA0FE99FCFEFE7EFCF0" box="[292,405,800,824]" italics="true" pageId="26" pageNumber="427">B. naylori</emphasis>
</taxonomicName>
. The body shape of
<taxonomicName id="4C304D027D0BFFA0FDC4FCFFFC8BFCF0" box="[633,864,800,824]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D0BFFA0FDC4FCFFFC8BFCF0" box="[633,864,800,824]" italics="true" pageId="26" pageNumber="427">Bythaelurus alcockii</emphasis>
</taxonomicName>
is unknown.
</paragraph>
<paragraph id="8B8F36817D0BFFA0FF7AFC9BFC9CFBB5" blockId="26.[151,1437,151,1616]" pageId="26" pageNumber="427">
Another possible grouping arises from the presence or absence of oral papillae: species with numerous oral papillae are
<taxonomicName id="4C304D027D0BFFA0FE9EFCB6FE6AFC48" box="[291,385,872,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="bachi">
<emphasis id="B944EA937D0BFFA0FE9EFCB6FE6AFC48" box="[291,385,872,896]" italics="true" pageId="26" pageNumber="427">B. bachi</emphasis>
</taxonomicName>
,
<emphasis id="B944EA937D0BFFA0FE2CFCB6FD7DFC48" box="[401,662,872,896]" italics="true" pageId="26" pageNumber="427">
<taxonomicName id="4C304D027D0BFFA0FE2CFCB6FDCDFC48" box="[401,550,873,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="canescens">B. canescens</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FD8EFCB6FD7DFC48" box="[563,662,872,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="clevai">B. clevai</taxonomicName>
</emphasis>
,
<taxonomicName id="4C304D027D0BFFA0FD18FCB6FCC8FC48" box="[677,803,872,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D0BFFA0FD18FCB6FCC8FC48" box="[677,803,872,896]" italics="true" pageId="26" pageNumber="427">B. dawsoni</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FC8EFCB6FC57FC48" box="[819,956,872,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="giddingsi">
<emphasis id="B944EA937D0BFFA0FC8EFCB6FC57FC48" box="[819,956,872,896]" italics="true" pageId="26" pageNumber="427">B. giddingsi</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FC76FCB6FBA2FC48" box="[971,1097,872,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D0BFFA0FC76FCB6FBA2FC48" box="[971,1097,872,896]" italics="true" pageId="26" pageNumber="427">B. hispidus</emphasis>
</taxonomicName>
,?
<taxonomicName id="4C304D027D0BFFA0FBD8FCB6FAFFFC48" box="[1125,1300,872,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D0BFFA0FBD8FCB6FAFFFC48" box="[1125,1300,872,896]" italics="true" pageId="26" pageNumber="427">B. immaculatus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FA99FCB6FA70FCB7" box="[1316,1435,872,896]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="incanus">
<emphasis id="B944EA937D0BFFA0FA99FCB6FA70FCB7" box="[1316,1435,872,896]" italics="true" pageId="26" pageNumber="427">B. incanus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D0BFFA0FF76FC52FE60FC6C" box="[203,395,908,932]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="tenuicephalus">
<emphasis id="B944EA937D0BFFA0FF76FC52FE60FC6C" box="[203,395,908,932]" italics="true" pageId="26" pageNumber="427">B. tenuicephalus</emphasis>
</taxonomicName>
, species without (or with rudimentary) oral papillae are
<taxonomicName id="4C304D027D0BFFA0FB90FC52FB42FC6C" box="[1069,1193,908,932]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D0BFFA0FB90FC52FB42FC6C" box="[1069,1193,908,932]" italics="true" pageId="26" pageNumber="427">B. lutarius</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D0BFFA0FB54FC52FAB6FC6C" box="[1257,1373,908,932]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="naylori">
<emphasis id="B944EA937D0BFFA0FB54FC52FAB6FC6C" box="[1257,1373,908,932]" italics="true" pageId="26" pageNumber="427">B. naylori</emphasis>
</taxonomicName>
. The presence of oral papillae in
<taxonomicName id="4C304D027D0BFFA0FE71FC6EFD91FC00" box="[460,634,944,968]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D0BFFA0FE71FC6EFD91FC00" box="[460,634,944,968]" italics="true" pageId="26" pageNumber="427">B. immaculatus</emphasis>
</taxonomicName>
is unknown but it is assumed that the species has oral papillae based on its apparently close morphological relationship to
<taxonomicName id="4C304D027D0BFFA0FD59FC0AFC92FC24" box="[740,889,981,1004]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D0BFFA0FD59FC0AFC92FC24" box="[740,889,981,1004]" italics="true" pageId="26" pageNumber="427">B. canescens</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D0BFFA0FC05FC0AFBD9FC24" box="[952,1074,981,1004]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="incanus">
<emphasis id="B944EA937D0BFFA0FC05FC0AFBD9FC24" box="[952,1074,981,1004]" italics="true" pageId="26" pageNumber="427">B. incanus</emphasis>
</taxonomicName>
.
<bibRefCitation id="EFA14B707D0BFFA0FBF8FC0BFAD6FC24" author="White" box="[1093,1341,980,1005]" pageId="26" pageNumber="427" refString="White, W. T. &amp; Last, P. R. (2013) Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China. Zootaxa, 3752 (1), 228 - 248." type="journal article" year="2013">White &amp; Last (2013)</bibRefCitation>
did not examine the holotype of
<taxonomicName id="4C304D027D0BFFA0FE7EFC26FD9DFBD8" box="[451,630,1016,1040]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D0BFFA0FE7EFC26FD9DFBD8" box="[451,630,1016,1040]" italics="true" pageId="26" pageNumber="427">B. immaculatus</emphasis>
</taxonomicName>
for the presence of oral papillae (W.T. White, pers. comm., 2015). Furthermore, none of the type specimens could be found upon recent requests (H.-C. Ho &amp; X.-Y. Kong, pers. comm., 2015 &amp; 2016) so the whereabouts of the type specimens and the presence of oral papillae remain unclear. The presence of oral papillae in
<taxonomicName id="4C304D027D0BFFA0FE42FBBBFD0CFBB4" box="[511,743,1124,1148]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="alcockii">
<emphasis id="B944EA937D0BFFA0FE42FBBBFD0CFBB4" box="[511,743,1124,1148]" italics="true" pageId="26" pageNumber="427">Bythaelurus alcockii</emphasis>
</taxonomicName>
is unknown.
</paragraph>
<paragraph id="8B8F36817D0BFFA0FF7AFB57FA70FAC4" blockId="26.[151,1437,151,1616]" pageId="26" pageNumber="427">
A third possible grouping arises from the reproductive modes of
<taxonomicName id="4C304D027D0BFFA0FC07FB57FBAAFB68" box="[954,1089,1160,1184]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D0BFFA0FC07FB57FBAAFB68" box="[954,1089,1160,1184]" italics="true" pageId="26" pageNumber="427">Bythaelurus</emphasis>
</taxonomicName>
species that was reviewed by
<bibRefCitation id="EFA14B707D0BFFA0FF2AFB73FEABFB0D" author="Francis" box="[151,320,1196,1221]" pageId="26" pageNumber="427" refString="Francis, M. P. (2006) Distribution and biology of the New Zealand endemic catshark, Halaelurus dawsoni. Environmental Biology of Fishes, 75 (3), 295 - 306. http: // dx. doi. org / 10.1007 / s 10641 - 006 - 0026 - 0" type="journal article" year="2006">Francis (2006)</bibRefCitation>
. He noted that some species, e.g.
<taxonomicName id="4C304D027D0BFFA0FD78FB72FCB3FB0C" box="[709,856,1197,1220]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D0BFFA0FD78FB72FCB3FB0C" box="[709,856,1197,1220]" italics="true" pageId="26" pageNumber="427">B. canescens</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D0BFFA0FC2CFB72FBE4FB0C" box="[913,1039,1196,1220]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D0BFFA0FC2CFB72FBE4FB0C" box="[913,1039,1196,1220]" italics="true" pageId="26" pageNumber="427">B. dawsoni</emphasis>
</taxonomicName>
, are oviparous, whereas others are viviparous. A detailed comparison of reproductive modes, as well as maximum sizes, geographic and depth distributions, vertebral, tooth row and spiral valve counts of the 12 species of
<taxonomicName id="4C304D027D0BFFA0FC43FB2BFB6DFAC4" box="[1022,1158,1268,1292]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D0BFFA0FC43FB2BFB6DFAC4" box="[1022,1158,1268,1292]" italics="true" pageId="26" pageNumber="427">Bythaelurus</emphasis>
</taxonomicName>
can be found in Table 3.
</paragraph>
<paragraph id="8B8F36817D0BFFA0FF7AFAC8FEF5F998" blockId="26.[151,1437,151,1616]" pageId="26" pageNumber="427">
Generally, the taxonomy and biology of
<taxonomicName id="4C304D027D0BFFA0FD2FFAC7FCF2FAF8" box="[658,793,1304,1328]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D0BFFA0FD2FFAC7FCF2FAF8" box="[658,793,1304,1328]" italics="true" pageId="26" pageNumber="427">Bythaelurus</emphasis>
</taxonomicName>
species are poorly known. So far, studies on the biology and distribution are restricted to few species, i.e.
<taxonomicName id="4C304D027D0BFFA0FD58FAE2FC90FA9C" box="[741,891,1341,1364]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="canescens">
<emphasis id="B944EA937D0BFFA0FD58FAE2FC90FA9C" box="[741,891,1341,1364]" italics="true" pageId="26" pageNumber="427">B. canescens</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FC33FAE2FBE4FA9C" box="[910,1039,1340,1364]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="dawsoni">
<emphasis id="B944EA937D0BFFA0FC33FAE2FBE4FA9C" box="[910,1039,1340,1364]" italics="true" pageId="26" pageNumber="427">B. dawsoni</emphasis>
</taxonomicName>
,
<taxonomicName id="4C304D027D0BFFA0FB9EFAE2FB4FFA9C" box="[1059,1188,1340,1364]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D0BFFA0FB9EFAE2FB4FFA9C" box="[1059,1188,1340,1364]" italics="true" pageId="26" pageNumber="427">B. hispidus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C304D027D0BFFA0FB58FAE2FA8BFA9C" box="[1253,1376,1340,1364]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="lutarius">
<emphasis id="B944EA937D0BFFA0FB58FAE2FA8BFA9C" box="[1253,1376,1340,1364]" italics="true" pageId="26" pageNumber="427">B. lutarius</emphasis>
</taxonomicName>
, and partially based only on a small number of specimens examined (
<bibRefCitation id="EFA14B707D0BFFA0FC2AFA80FB28FAB0" author="Nair" box="[919,1219,1375,1400]" pageId="26" pageNumber="427" refString="Nair, R. V. &amp; Appukuttan, K. K. (1973) Observation on the food of deep sea sharks Halaelurus hispidus (Alcock), Eridacnis radcliffei Smith and Iago omanensis Compagno and Springer. Indian Journal of Fisheries, 20 (2), 575 - 583." type="journal article" year="1973">Nair &amp; Appukuttan 1973</bibRefCitation>
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;
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;
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Valenzuela
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Concha
<emphasis id="B944EA937D0BFFA0FF4BFA76FEC1FA08" box="[246,298,1448,1472]" italics="true" pageId="26" pageNumber="427">et al</emphasis>
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Akhilesh
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). Therefore, more specimens are needed of several species, especially of those from the Indian Ocean and
<taxonomicName id="4C304D027D0BFFA0FCB9FA12FC59FA2C" box="[772,946,1484,1508]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="immaculatus">
<emphasis id="B944EA937D0BFFA0FCB9FA12FC59FA2C" box="[772,946,1484,1508]" italics="true" pageId="26" pageNumber="427">B. immaculatus</emphasis>
</taxonomicName>
. In order to further improve the knowledge of
<taxonomicName id="4C304D027D0BFFA0FF05FA2FFED4F9C0" box="[184,319,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="genus">
<emphasis id="B944EA937D0BFFA0FF05FA2FFED4F9C0" box="[184,319,1520,1544]" italics="true" pageId="26" pageNumber="427">Bythaelurus</emphasis>
</taxonomicName>
species in this area, a comprehensive study on the taxonomy and distribution of
<taxonomicName id="4C304D027D0BFFA0FB56FA2EFA82F9C0" box="[1259,1385,1520,1544]" class="Elasmobranchii" family="Scyliorhinidae" genus="Bythaelurus" kingdom="Animalia" order="Carcharhiniformes" pageId="26" pageNumber="427" phylum="Chordata" rank="species" species="hispidus">
<emphasis id="B944EA937D0BFFA0FB56FA2EFA82F9C0" box="[1259,1385,1520,1544]" italics="true" pageId="26" pageNumber="427">B. hispidus</emphasis>
</taxonomicName>
and descriptions of two further undescribed species of the genus from the western Indian Ocean are currently in preparation.
</paragraph>
</subSubSection>
</treatment>
</document>