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<document id="DF9B0BCDF00F1EF3FB07625CB6484E1A" ID-CLB-Dataset="30482" ID-DOI="10.11646/zootaxa.4398.1.1" ID-GBIF-Dataset="e5a58990-d727-440a-aab9-7638a5698954" ID-ISSN="1175-5326" ID-Zenodo-Dep="1202953" ID-ZooBank="79E3EB78-D1C3-45CF-AB13-F8E61C936252" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1521441832187" checkinUser="plazi" docAuthor="Boxshall, Geoff" docDate="2018" docId="03B587F2AA544D11B6F8FF7C3AD2F87E" docLanguage="en" docName="zootaxa.4398.1.1.pdf" docOrigin="Zootaxa 4398 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Caligus dasyaticus Rangnekar 1957" docType="treatment" docVersion="9" lastPageNumber="58" masterDocId="FF8CFF8AAA6D4D28B66FFFEB3934FF93" masterDocTitle="The sea lice (Copepoda: Caligidae) of Moreton Bay (Queensland, Australia), with descriptions of thirteen new species" masterLastPageNumber="172" masterPageNumber="1" pageNumber="58" updateTime="1698532557943" updateUser="ExternalLinkService">
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<mods:title id="70E4D78268EA324716528C3F697DE323">The sea lice (Copepoda: Caligidae) of Moreton Bay (Queensland, Australia), with descriptions of thirteen new species</mods:title>
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<mods:namePart id="E845D5FC45223D3D5910801D3DFDC79A">Boxshall, Geoff</mods:namePart>
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<mods:date id="4AAC1B87D6ABDF92076647613E556831">2018</mods:date>
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<mods:number id="D8D8C988DDCF30F6AFA5B663ABE41CE4">4398</mods:number>
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<treatment id="03B587F2AA544D11B6F8FF7C3AD2F87E" ID-DOI="http://doi.org/10.5281/zenodo.5952162" ID-GBIF-Taxon="142340600" ID-Zenodo-Dep="5952162" LSID="urn:lsid:plazi:treatment:03B587F2AA544D11B6F8FF7C3AD2F87E" httpUri="http://treatment.plazi.org/id/03B587F2AA544D11B6F8FF7C3AD2F87E" lastPageNumber="58" pageId="57" pageNumber="58">
<subSubSection id="C306656FAA544D11B6F8FF7C39CDFF40" pageId="57" pageNumber="58" type="nomenclature">
<paragraph id="8BA336E4AA544D11B6F8FF7C3B67FF21" blockId="57.[151,595,151,211]" box="[151,595,151,178]" pageId="57" pageNumber="58">
<heading id="D0EB8188AA544D11B6F8FF7C3B67FF21" bold="true" box="[151,595,151,178]" fontSize="11" level="1" pageId="57" pageNumber="58" reason="1">
<taxonomicName id="4C1C4D67AA544D11B6F8FF7C3B67FF21" authority="Rangnekar, 1957" authorityName="Rangnekar" authorityYear="1957" box="[151,595,151,178]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B6F8FF7C3B67FF21" bold="true" box="[151,595,151,178]" pageId="57" pageNumber="58">
<emphasis id="B968EAF6AA544D11B6F8FF7C384CFF22" bold="true" box="[151,376,151,177]" italics="true" pageId="57" pageNumber="58">Caligus dasyaticus</emphasis>
<bibRefCitation id="EF8D4B15AA544D11B7EFFF733B67FF21" box="[384,595,152,178]" pageId="57" pageNumber="58" refId="ref87588" refString="Rangnekar, M. P. (1957) Caligus dasyaticus sp. nov. and Caligus dussumieri sp. nov. (Copepoda) parasitic on Bombay fishes. Journal of the University of Bombay, 25, 16 - 22." type="journal article">Rangnekar, 1957</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="8BA336E4AA544D11B6F8FF5139CDFF40" blockId="57.[151,595,151,211]" box="[151,249,186,211]" pageId="57" pageNumber="58">
(
<figureCitation id="13272A61AA544D11B6F0FF5139C5FF40" box="[159,241,186,211]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C306656FAA544D11B6F8FF163B73FECE" pageId="57" pageNumber="58" type="materials_examined">
<paragraph id="8BA336E4AA544D11B6F8FF16381BFEA9" blockId="57.[151,1437,253,2029]" pageId="57" pageNumber="58">
<emphasis id="B968EAF6AA544D11B6F8FF1638B7FE85" bold="true" box="[151,387,253,278]" pageId="57" pageNumber="58">Material examined.</emphasis>
1♀ from
<taxonomicName id="4C1C4D67AA544D11B797FF153AE7FE85" authority="(Muller &amp; Henle, 1841)" baseAuthorityName="Muller &amp; Henle" baseAuthorityYear="1841" box="[504,979,253,278]" class="Elasmobranchii" family="Dasyatidae" genus="Neotrygon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="57" pageNumber="58" phylum="Chordata" rank="species" species="kuhlii">
<emphasis id="B968EAF6AA544D11B797FF153B8CFE85" box="[504,696,253,278]" italics="true" pageId="57" pageNumber="58">Neotrygon kuhlii</emphasis>
(Müller &amp; Henle, 1841)
</taxonomicName>
(TC17336)
<date id="FFA21024AA544D11B20CFF153C10FE85" box="[1123,1316,253,278]" pageId="57" pageNumber="58" value="2016-01-20">20 January 2016</date>
, QM Reg. No. W53064.
</paragraph>
<paragraph id="8BA336E4AA544D11B6A8FEAF3B73FECE" blockId="57.[151,1437,253,2029]" box="[199,583,324,349]" pageId="57" pageNumber="58">
<emphasis id="B968EAF6AA544D11B6A8FEAF386DFECE" bold="true" box="[199,345,324,349]" pageId="57" pageNumber="58">Site on host.</emphasis>
Lower body surface.
</paragraph>
</subSubSection>
<subSubSection id="C306656FAA544D11B6A8FE833ABDFC4C" pageId="57" pageNumber="58" type="diagnosis">
<paragraph id="8BA336E4AA544D11B6A8FE833ABDFC4C" blockId="57.[151,1437,253,2029]" pageId="57" pageNumber="58">
<emphasis id="B968EAF6AA544D11B6A8FE8338E0FE12" bold="true" box="[199,468,360,385]" pageId="57" pageNumber="58">Differential diagnosis.</emphasis>
Cephalothorax dorsoventrally flattened with well-developed marginal membranes along lateral zones; frontal plates with very small lunules. Genital complex just longer than wide (1.02 to 1.10 times); abdomen indistinctly 2-segmented, about 1.8 times longer than wide (
<figureCitation id="13272A61AA544D11B593FE443D51FE5B" box="[1020,1125,431,456]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26A</figureCitation>
); genital complex about 1.7 times longer than abdomen. Antenna without posterior process on proximal segment (
<figureCitation id="13272A61AA544D11B2EDFE383DD8FE7F" box="[1154,1260,467,492]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26B</figureCitation>
). Post-antennal process strongly recurved, tine without marginal flange; associated papillae multisensillate (
<figureCitation id="13272A61AA544D11B2D7FE1C3C15FD83" box="[1208,1313,503,528]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26B</figureCitation>
). Posterior process of maxillule long, slender and slightly curved outwards (
<figureCitation id="13272A61AA544D11B5E1FDF03ACDFDA7" box="[910,1017,539,564]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26B</figureCitation>
). Maxilliped of female slender with smooth myxal margin. Sternal furca with long, slender divergent tines (
<figureCitation id="13272A61AA544D11B5DDFDD53D2DFDC4" box="[946,1049,574,599]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26C</figureCitation>
). Distal exopodal segment of leg 1 with 3 plumose setae on posterior margin; distal spine 1 longer than other spines, ornamented with finely striated membrane bilaterally; spines 2 and 3 each with accessory process and striated marginal membrane around tip; seta 4 naked, less than half length of spines 2 and 3 (
<figureCitation id="13272A61AA544D11B4D2FD413A13FD50" box="[701,807,682,707]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26D</figureCitation>
). Leg 2 with marginal setules on endopodal segments 2 and 3; outer spines on exopodal segments 1 and 2 small (each shorter than next segment) and aligned parallel with longitudinal axis of ramus (
<figureCitation id="13272A61AA544D11B7BBFD1A3B08FC99" box="[468,572,753,778]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26E</figureCitation>
). Leg 3 apron lacking distinctive ornamentation; exopod 2-segmented (
<figureCitation id="13272A61AA544D11B300FD1A39F7FCBD" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26F</figureCitation>
) with second and third segments fused to form compound distal segment; first segment bearing straight outer spine with marginal flanges and inner plumose seta; compound distal segment with 4 outer spines and 5 plumose setae; proximal outer spine derived from third segment (arrowed in
<figureCitation id="13272A61AA544D11B5E5FCB73ADEFCE6" box="[906,1002,860,885]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26F</figureCitation>
) ornamented with marginal membrane distally. Leg 4 3-segmented (
<figureCitation id="13272A61AA544D11B78FFC6B3B7EFC0A" box="[480,586,896,921]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26G</figureCitation>
); first exopodal segment with outer spine and large pecten; distal exopodal segment with 3 spines around apex, long spine more than twice as long as 2 short spines; segment ornamented with marginal membrane distally. Body length of adult female
<quantity id="4CE49B01AA544D11B571FC233AB1FC4C" box="[798,901,968,992]" metricMagnitude="-3" metricUnit="m" metricValue="4.23" pageId="57" pageNumber="58" unit="mm" value="4.23">4.23 mm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="C306656FAA544D11B6A8FC003AD2F87E" pageId="57" pageNumber="58" type="discussion">
<paragraph id="8BA336E4AA544D11B6A8FC003B68FAFA" blockId="57.[151,1437,253,2029]" pageId="57" pageNumber="58">
<emphasis id="B968EAF6AA544D11B6A8FC00380FFB97" bold="true" box="[199,315,1003,1028]" pageId="57" pageNumber="58">Remarks.</emphasis>
This species was originally described by
<bibRefCitation id="EF8D4B15AA544D11B570FC003AD8FB97" box="[799,1004,1003,1028]" pageId="57" pageNumber="58" refId="ref87588" refString="Rangnekar, M. P. (1957) Caligus dasyaticus sp. nov. and Caligus dussumieri sp. nov. (Copepoda) parasitic on Bombay fishes. Journal of the University of Bombay, 25, 16 - 22." type="journal article">Rangnekar (1957)</bibRefCitation>
based on two females from the body surface of a dasyatid sting ray named as “
<emphasis id="B968EAF6AA544D11B41DFBFB3BDBFBB4" box="[626,751,1040,1063]" italics="true" pageId="57" pageNumber="58">Dasyaticus</emphasis>
[sic!]
<emphasis id="B968EAF6AA544D11B555FBFB3ABDFBB4" box="[826,905,1040,1063]" italics="true" pageId="57" pageNumber="58">uarnac</emphasis>
” by Rangnekar and caught off
<collectingCountry id="F30B7674AA544D11B280FBE43C7BFBBB" box="[1263,1359,1039,1064]" name="India" pageId="57" pageNumber="58">Bombay</collectingCountry>
,
<collectingCountry id="F30B7674AA544D11B334FBE43CACFBBB" box="[1371,1432,1039,1064]" name="India" pageId="57" pageNumber="58">India</collectingCountry>
. The identity of the host should be considered as uncertain given the changes in understanding of species level taxonomy of chondrichthyan fishes in general and of the
<emphasis id="B968EAF6AA544D11B550FBB33A8EFBFC" box="[831,954,1112,1135]" italics="true" pageId="57" pageNumber="58">Himantura</emphasis>
<taxonomicName id="4C1C4D67AA544D11B5AAFBBD3DE6FBFC" authority="(Gmelin, 1789)" baseAuthorityName="Gmelin" baseAuthorityYear="1789" box="[965,1234,1110,1135]" class="Maxillopoda" family="Caligidae" genus="Hermilius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="uarnak">
<emphasis id="B968EAF6AA544D11B5AAFBBD3D20FBFC" box="[965,1044,1110,1135]" italics="true" pageId="57" pageNumber="58">uarnak</emphasis>
(Gmelin, 1789)
</taxonomicName>
species group in particular (see
<bibRefCitation id="EF8D4B15AA544D11B752FB913B20FB00" box="[317,532,1146,1171]" pageId="57" pageNumber="58" refId="ref85825" refString="Naylor, G. J. P., Caira, J. N., Jensen, K., Rosana, K. A. M., White, W. T. &amp; Last, P. R. (2012) A DNA Sequence - Based Approach to the Identification of Shark and Ray Species and Its Implications for Global Elasmobranch Diversity and Parasitology. Bulletin of the American Museum of Natural History, 367, 1 - 262. https: // doi. org / 10.1206 / 754.1" type="journal article">
Naylor
<emphasis id="B968EAF6AA544D11B7FEFB9738FDFB00" box="[401,457,1146,1171]" italics="true" pageId="57" pageNumber="58">et al.</emphasis>
, 2012
</bibRefCitation>
). The body length of Rangnekars single intact female was
<quantity id="4CE49B01AA544D11B2C6FB903C39FB01" box="[1193,1293,1147,1171]" metricMagnitude="-3" metricUnit="m" metricValue="3.8" pageId="57" pageNumber="58" unit="mm" value="3.8">3.80 mm</quantity>
(
<bibRefCitation id="EF8D4B15AA544D11B374FB9139E7FB24" pageId="57" pageNumber="58" refId="ref87588" refString="Rangnekar, M. P. (1957) Caligus dasyaticus sp. nov. and Caligus dussumieri sp. nov. (Copepoda) parasitic on Bombay fishes. Journal of the University of Bombay, 25, 16 - 22." type="journal article">Rangnekar, 1957</bibRefCitation>
).
<bibRefCitation id="EF8D4B15AA544D11B686FB7538B2FB24" box="[233,390,1182,1207]" pageId="57" pageNumber="58" refId="ref88548" refString="Shiino, S. M. (1960) Copepods parasitic on the fishes collected on the coast of Province Shima, Japan. Report of the Faculty of Fisheries, Prefectural University of Mie, 3, 471 - 500." type="journal article">Shiino (1960)</bibRefCitation>
subsequently reported this species from
<taxonomicName id="4C1C4D67AA544D11B530FB743C18FB24" authority="(Muller &amp; Henle, 1841)" baseAuthorityName="Muller &amp; Henle" baseAuthorityYear="1841" box="[863,1324,1182,1207]" class="Pisces" family="Dasyatidae" genus="Dasyatis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="57" pageNumber="58" phylum="Chordata" rank="species" species="akajei">
<emphasis id="B968EAF6AA544D11B530FB743D3BFB24" box="[863,1039,1182,1207]" italics="true" pageId="57" pageNumber="58">Dasyatis akajei</emphasis>
(Müller &amp; Henle, 1841)
</taxonomicName>
taken off Hamazima,
<collectingCountry id="F30B7674AA544D11B771FB28386AFB49" box="[286,350,1219,1242]" name="Japan" pageId="57" pageNumber="58">Japan</collectingCountry>
and provided the first description of the male. The body length of the largest female recorded by Shiino was 6.00 mm and that of the male was
<quantity id="4CE49B01AA544D11B4DDFB0D3A2CFB6D" box="[690,792,1254,1278]" metricMagnitude="-3" metricUnit="m" metricValue="2.89" pageId="57" pageNumber="58" unit="mm" value="2.89">2.89 mm</quantity>
(
<bibRefCitation id="EF8D4B15AA544D11B546FB0E3A8BFB6D" box="[809,959,1253,1278]" pageId="57" pageNumber="58" refId="ref88548" refString="Shiino, S. M. (1960) Copepods parasitic on the fishes collected on the coast of Province Shima, Japan. Report of the Faculty of Fisheries, Prefectural University of Mie, 3, 471 - 500." type="journal article">Shiino, 1960</bibRefCitation>
). Kabata (1966) was the first to report
<taxonomicName id="4C1C4D67AA544D11B3EDFB0D3839FAB1" authorityName="Rangnekar" authorityYear="1957" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B3EDFB0D3839FAB1" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
</taxonomicName>
from Australian waters: based on two males collected from
<taxonomicName id="4C1C4D67AA544D11B5A9FAE13DB1FAB1" baseAuthorityName="Muller &amp; Henle" baseAuthorityYear="1841" box="[966,1157,1289,1314]" class="Elasmobranchii" family="Dasyatidae" genus="Neotrygon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="57" pageNumber="58" phylum="Chordata" rank="species" species="kuhlii">
<emphasis id="B968EAF6AA544D11B5A9FAE13DB1FAB1" box="[966,1157,1289,1314]" italics="true" pageId="57" pageNumber="58">Neotrygon kuhlii</emphasis>
</taxonomicName>
(as
<taxonomicName id="4C1C4D67AA544D11B2D8FAE23CA7FAB1" baseAuthorityName="Müller &amp; Henle" baseAuthorityYear="1841" box="[1207,1427,1289,1314]" class="Pisces" family="Dasyatidae" genus="Amphotistius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="57" pageNumber="58" phylum="Chordata" rank="species" species="kuhlii">
<emphasis id="B968EAF6AA544D11B2D8FAE23CA7FAB1" box="[1207,1427,1289,1314]" italics="true" pageId="57" pageNumber="58">Amphotistius kuhlii</emphasis>
</taxonomicName>
) caught in Moreton
<collectingRegion id="49D8F806AA544D11B704FAC538AEFAD5" box="[363,410,1326,1350]" country="Somalia" name="Bay" pageId="57" pageNumber="58">Bay</collectingRegion>
. With a body length of
<quantity id="4CE49B01AA544D11B4F3FAC53A35FAD6" box="[668,769,1326,1350]" metricMagnitude="-3" metricUnit="m" metricValue="2.23" pageId="57" pageNumber="58" unit="mm" value="2.23">2.23 mm</quantity>
, Kabatas male was smaller than that of Shiino, but so is the female from Moreton
<collectingRegion id="49D8F806AA544D11B7E0FAB93888FAFA" box="[399,444,1362,1385]" country="Somalia" name="Bay" pageId="57" pageNumber="58">Bay</collectingRegion>
(at
<quantity id="4CE49B01AA544D11B788FABA3B7BFAFA" box="[487,591,1361,1385]" metricMagnitude="-3" metricUnit="m" metricValue="4.23" pageId="57" pageNumber="58" unit="mm" value="4.23">4.23 mm</quantity>
).
</paragraph>
<paragraph id="8BA336E4AA544D11B6A8FA9E3983F939" blockId="57.[151,1437,253,2029]" pageId="57" pageNumber="58">
As already highlighted by
<bibRefCitation id="EF8D4B15AA544D11B79FFA9E3B91FA1E" box="[496,677,1396,1421]" pageId="57" pageNumber="58" refId="ref85024" refString="Lin, C. - L. &amp; Ho, J. - S. (2007) Six species of Sea Lice (Copepoda, Caligidae) new to Taiwan. Journal of the Fisheries Society of Taiwan, 34, 41 - 67." type="journal article">
Ho
<emphasis id="B968EAF6AA544D11B476FA9D3B64FA1E" box="[537,592,1396,1421]" italics="true" pageId="57" pageNumber="58">et al.</emphasis>
(2007)
</bibRefCitation>
, the taxonomy of
<taxonomicName id="4C1C4D67AA544D11B500FA9E3D31FA1E" authorityName="Rangnekar" authorityYear="1957" box="[879,1029,1396,1421]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B500FA9E3D31FA1E" box="[879,1029,1396,1421]" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
</taxonomicName>
became confused after
<bibRefCitation id="EF8D4B15AA544D11B360FA9F3CA8FA1E" box="[1295,1436,1396,1421]" pageId="57" pageNumber="58" refId="ref87123" refString="Pillai, N. K. (1968) Additions to the copepod parasites of South Indian fishes. Parasitology, 58, 9 - 36. https: // doi. org / 10.1017 / S 0031182000073388" type="journal article">Pillai (1968)</bibRefCitation>
published a detailed description of a different species of
<taxonomicName id="4C1C4D67AA544D11B57FFA733A53FA22" authorityName="O. F. Muller" authorityYear="1785" box="[784,871,1432,1457]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="genus">
<emphasis id="B968EAF6AA544D11B57FFA733A53FA22" box="[784,871,1432,1457]" italics="true" pageId="57" pageNumber="58">Caligus</emphasis>
</taxonomicName>
as “
<taxonomicName id="4C1C4D67AA544D11B5F6FA723D86FA22" authority="Rangnekar" authorityName="Rangnekar" authorityYear="1957" box="[921,1202,1432,1457]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B5F6FA723D1BFA22" box="[921,1071,1432,1457]" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
Rangnekar
</taxonomicName>
” from a specimen of the sawfish
<emphasis id="B968EAF6AA544D11B772FA563852FA47" box="[285,358,1469,1492]" italics="true" pageId="57" pageNumber="58">Pristis</emphasis>
examined at Trivandrum,
<collectingCountry id="F30B7674AA544D11B4FEFA573BFAFA46" box="[657,718,1468,1493]" name="India" pageId="57" pageNumber="58">India</collectingCountry>
. The female described by
<bibRefCitation id="EF8D4B15AA544D11B59AFA573DB6FA46" box="[1013,1154,1468,1493]" pageId="57" pageNumber="58" refId="ref87123" refString="Pillai, N. K. (1968) Additions to the copepod parasites of South Indian fishes. Parasitology, 58, 9 - 36. https: // doi. org / 10.1017 / S 0031182000073388" type="journal article">Pillai (1968)</bibRefCitation>
had a body length of 7.0 mm and the male was
<quantity id="4CE49B01AA544D11B7F4FA0B38C6FA64" box="[411,498,1504,1528]" metricMagnitude="-3" metricUnit="m" metricValue="3.3" pageId="57" pageNumber="58" unit="mm" value="3.3">3.3 mm</quantity>
in length. In his 1985 monograph,
<bibRefCitation id="EF8D4B15AA544D11B5E7FA343D22FA6B" box="[904,1046,1503,1528]" pageId="57" pageNumber="58" refId="ref87204" refString="Pillai, N. K. (1985) Fauna of India. Parasitic copepods of marine fishes. Zoological Survey of India, Calcutta, 900 pp." type="book">Pillai (1985)</bibRefCitation>
re-used the figures from his 1968 description.
<bibRefCitation id="EF8D4B15AA544D11B74DF9EF38EDF98F" box="[290,473,1539,1564]" pageId="57" pageNumber="58" refId="ref85024" refString="Lin, C. - L. &amp; Ho, J. - S. (2007) Six species of Sea Lice (Copepoda, Caligidae) new to Taiwan. Journal of the Fisheries Society of Taiwan, 34, 41 - 67." type="journal article">
Ho
<emphasis id="B968EAF6AA544D11B722F9EE38B2F98F" box="[333,390,1539,1564]" italics="true" pageId="57" pageNumber="58">et al.</emphasis>
(2007)
</bibRefCitation>
redescribed female
<taxonomicName id="4C1C4D67AA544D11B4D1F9EF3A62F98F" authorityName="Rangnekar" authorityYear="1957" box="[702,854,1539,1564]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B4D1F9EF3A62F98F" box="[702,854,1539,1564]" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
</taxonomicName>
from a single specimen with a body length of
<quantity id="4CE49B01AA544D11B304F9E839F1F9AC" metricMagnitude="-3" metricUnit="m" metricValue="5.62" pageId="57" pageNumber="58" unit="mm" value="5.62">5.62 mm</quantity>
, collected from the body surface of
<taxonomicName id="4C1C4D67AA544D11B43AF9C33AFBF9D3" authority="(Steindachner)" authorityName="Steindachner" baseAuthorityName="Steindachner" baseAuthorityYear="1892" box="[597,975,1575,1600]" class="Pisces" family="Dasyatidae" genus="Dasyatis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="57" pageNumber="58" phylum="Chordata" rank="species" species="navarrae">
<emphasis id="B968EAF6AA544D11B43AF9C33A10F9AC" box="[597,804,1576,1599]" italics="true" pageId="57" pageNumber="58">Dasyatis navarrae</emphasis>
(Steindachner)
</taxonomicName>
landed in
<collectingCountry id="F30B7674AA544D11B22CF9CC3DADF9D3" box="[1091,1177,1575,1600]" name="Taiwan" pageId="57" pageNumber="58">Taiwan</collectingCountry>
.
<bibRefCitation id="EF8D4B15AA544D11B2CCF9C33C60F9D3" box="[1187,1364,1575,1600]" pageId="57" pageNumber="58" refId="ref85024" refString="Lin, C. - L. &amp; Ho, J. - S. (2007) Six species of Sea Lice (Copepoda, Caligidae) new to Taiwan. Journal of the Fisheries Society of Taiwan, 34, 41 - 67." type="journal article">
Ho
<emphasis id="B968EAF6AA544D11B2A4F9C33C37F9D3" box="[1227,1283,1575,1600]" italics="true" pageId="57" pageNumber="58">et al.</emphasis>
(2007)
</bibRefCitation>
stated that “Pillais (1968) “
<taxonomicName id="4C1C4D67AA544D11B7CBF9A73B70F9F7" authorityName="Rangnekar" authorityYear="1957" box="[420,580,1611,1636]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B7CBF9A73B70F9F7" box="[420,580,1611,1636]" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
</taxonomicName>
” very likely represents a different species”. A new species,
<taxonomicName id="4C1C4D67AA544D11B32AF9A03809F914" authority="Boxshall, 2018" authorityName="Boxshall" authorityYear="2018" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="elasmobranchi" status="sp. nov.">
<emphasis id="B968EAF6AA544D11B32AF9A03809F914" italics="true" pageId="57" pageNumber="58">Caligus elasmobranchi</emphasis>
</taxonomicName>
<emphasis id="B968EAF6AA544D11B72AF9853894F914" bold="true" box="[325,416,1646,1671]" pageId="57" pageNumber="58">
<taxonomicNameLabel id="A25B578DAA544D11B72AF9853894F914" box="[325,416,1646,1671]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, is established below, to accommodate the species described by
<bibRefCitation id="EF8D4B15AA544D11B211F9853C38F914" box="[1150,1292,1646,1671]" pageId="57" pageNumber="58" refId="ref87123" refString="Pillai, N. K. (1968) Additions to the copepod parasites of South Indian fishes. Parasitology, 58, 9 - 36. https: // doi. org / 10.1017 / S 0031182000073388" type="journal article">Pillai (1968)</bibRefCitation>
from
<emphasis id="B968EAF6AA544D11B33CF99B3CA8F914" box="[1363,1436,1648,1671]" italics="true" pageId="57" pageNumber="58">Pristis</emphasis>
sp.
</paragraph>
<paragraph id="8BA336E4AA544D11B6A8F95D3AD2F87E" blockId="57.[151,1437,253,2029]" pageId="57" pageNumber="58">
Both species are present in Moreton
<collectingRegion id="49D8F806AA544D11B400F95C3B94F95C" box="[623,672,1719,1743]" country="Somalia" name="Bay" pageId="57" pageNumber="58">Bay</collectingRegion>
: typical
<taxonomicName id="4C1C4D67AA544D11B56DF95C3AA8F95C" authorityName="Rangnekar" authorityYear="1957" box="[770,924,1718,1743]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B56DF95C3AA8F95C" box="[770,924,1718,1743]" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
</taxonomicName>
as described by
<bibRefCitation id="EF8D4B15AA544D11B230F95D3C18F95C" box="[1119,1324,1718,1743]" pageId="57" pageNumber="58" refId="ref87588" refString="Rangnekar, M. P. (1957) Caligus dasyaticus sp. nov. and Caligus dussumieri sp. nov. (Copepoda) parasitic on Bombay fishes. Journal of the University of Bombay, 25, 16 - 22." type="journal article">Rangnekar (1957)</bibRefCitation>
was only found on
<taxonomicName id="4C1C4D67AA544D11B767F93038FCF960" baseAuthorityName="Muller &amp; Henle" baseAuthorityYear="1841" box="[264,456,1754,1779]" class="Elasmobranchii" family="Dasyatidae" genus="Neotrygon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Myliobatiformes" pageId="57" pageNumber="58" phylum="Chordata" rank="species" species="kuhlii">
<emphasis id="B968EAF6AA544D11B767F93038FCF960" box="[264,456,1754,1779]" italics="true" pageId="57" pageNumber="58">Neotrygon kuhlii</emphasis>
</taxonomicName>
(Kabata, 1966; present account) while
<taxonomicName id="4C1C4D67AA544D11B5FEF9303D6EF960" authority="Boxshall, 2018" authorityName="Boxshall" authorityYear="2018" box="[913,1114,1754,1779]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="elasmobranchi" status="sp. nov.">
<emphasis id="B968EAF6AA544D11B5FEF9303D6EF960" box="[913,1114,1754,1779]" italics="true" pageId="57" pageNumber="58">C. elasmobranchi</emphasis>
</taxonomicName>
<emphasis id="B968EAF6AA544D11B20BF9313DF5F960" bold="true" box="[1124,1217,1754,1779]" pageId="57" pageNumber="58">
<taxonomicNameLabel id="A25B578DAA544D11B20BF9313DF5F960" box="[1124,1217,1754,1779]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
was found on five different elasmobranch hosts. The best character for distinguishing between females of these two widely distributed species is leg 4: in
<taxonomicName id="4C1C4D67AA544D11B781F8C93BB2F8A9" authorityName="Rangnekar" authorityYear="1957" box="[494,646,1825,1850]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B781F8C93BB2F8A9" box="[494,646,1825,1850]" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
</taxonomicName>
leg 4 is shorter than the genital complex and bears 1 long and 2 short spines at its apex (cf.
<figureCitation id="13272A61AA544D11B7F6F8AE3B37F8CD" box="[409,515,1861,1886]" captionStart="FIGURE 26" captionStartId="58.[151,250,1938,1960]" captionTargetBox="[177,1414,223,1897]" captionTargetId="figure@58.[151,1436,193,1916]" captionTargetPageId="58" captionText="FIGURE 26. Caligus dasyaticus Rangnekar, 1957, female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn insitu; C, sternal furca;D, distal marginof exopod ofleg 1; E, exopodof leg 2;F, exopod ofleg 3; G,exopodal segments of leg 4. Scale bars:1.0 mm on A, 200 µmon B,EG, 100 µm on C, 50 µm on D." httpUri="https://zenodo.org/record/1203005/files/figure.png" pageId="57" pageNumber="58">Fig. 26G</figureCitation>
), whereas in
<taxonomicName id="4C1C4D67AA544D11B4F0F8AD3A5DF8CD" authority="Boxshall, 2018" authorityName="Boxshall" authorityYear="2018" box="[671,873,1861,1886]" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="elasmobranchi" status="sp. nov.">
<emphasis id="B968EAF6AA544D11B4F0F8AD3A5DF8CD" box="[671,873,1861,1886]" italics="true" pageId="57" pageNumber="58">C. elasmobranchi</emphasis>
</taxonomicName>
<emphasis id="B968EAF6AA544D11B51BF8AE3AE4F8CD" bold="true" box="[884,976,1861,1886]" pageId="57" pageNumber="58">
<taxonomicNameLabel id="A25B578DAA544D11B51BF8AE3AE4F8CD" box="[884,976,1861,1886]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
the leg is much longer than the genital complex, extending beyond the middle of the abdomen, and bears 3 short to medium length apical spines (cf.
<figureCitation id="13272A61AA544D11B31FF88239FFF836" captionStart="FIGURE 27" captionStartId="60.[151,250,1931,1953]" captionTargetBox="[220,1395,224,1897]" captionTargetId="figure@60.[172,1414,193,1909]" captionTargetPageId="60" captionText="FIGURE 27. Caligus elasmobranchi sp. nov., female. A, habitus, dorsal; B, antenna, post-antennal process and maxillule drawn in situ; C, sternal furca; D, distal margin of exopod of leg 1; E, outer margin spines on exopod of leg 2; F, exopod of leg 3; G, distal part of exopodal segments of leg 4.Scale bars:1.0 mm onA, 200 µm on B,F, G, 250 µm on C, 100 µm on D, E." httpUri="https://zenodo.org/record/1203007/files/figure.png" pageId="57" pageNumber="58">Fig. 27G</figureCitation>
). Another significant difference is the size of the outer margin spine on exopodal segment 1 of leg 3: in
<taxonomicName id="4C1C4D67AA544D11B3EDF8663839F85A" authorityName="Rangnekar" authorityYear="1957" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="dasyaticus">
<emphasis id="B968EAF6AA544D11B3EDF8663839F85A" italics="true" pageId="57" pageNumber="58">C. dasyaticus</emphasis>
</taxonomicName>
it is short and does not reach the articulation between exopodal segments 2 and 3, whereas in
<taxonomicName id="4C1C4D67AA544D11B3EDF85A3809F87E" authority="Boxshall, 2018" authorityName="Boxshall" authorityYear="2018" class="Maxillopoda" family="Caligidae" genus="Caligus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siphonostomatoida" pageId="57" pageNumber="58" phylum="Arthropoda" rank="species" species="elasmobranchi" status="sp. nov.">
<emphasis id="B968EAF6AA544D11B3EDF85A3CA1F85B" box="[1410,1429,1969,1992]" italics="true" pageId="57" pageNumber="58">C</emphasis>
.
<emphasis id="B968EAF6AA544D11B6F8F83F3809F87E" box="[151,317,2004,2029]" italics="true" pageId="57" pageNumber="58">elasmobranchi</emphasis>
</taxonomicName>
<emphasis id="B968EAF6AA544D11B72BF83F38AAF87E" bold="true" box="[324,414,2004,2029]" pageId="57" pageNumber="58">
<taxonomicNameLabel id="A25B578DAA544D11B72BF83F38AAF87E" box="[324,414,2004,2029]" pageId="57" pageNumber="58" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
it is longer, extending well beyond this articulation.
</paragraph>
</subSubSection>
</treatment>
</document>