treatments-xml/data/03/95/87/039587FE1D78FFDAFCDEB9E033DAFBAF.xml
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<document id="E2BC1E25C30B2F4F0B7F293974D9BEDB" ID-DOI="10.1093/zoolinnean/zlac105" ID-ISSN="0024-4082" ID-ZooBank="A9963447-9E12-4AAC-9CC3-5D165A757EF7" IM.bibliography_approvedBy="diego" IM.illustrations_approvedBy="diego" IM.materialsCitations_approvedBy="diego" IM.metadata_approvedBy="diego" IM.tables_approvedBy="diego" IM.taxonomicNames_approvedBy="diego" IM.treatments_approvedBy="diego" checkinTime="1685958807152" checkinUser="plazi" docAuthor="Huys, Rony, Savchenko, Alexandra S. &amp; Kosobokova, Ksenia N." docDate="2023" docId="039587FE1D78FFDAFCDEB9E033DAFBAF" docLanguage="en" docName="zlac105.pdf" docOrigin="Zoological Journal of the Linnean Society 198 (2)" docSource="http://dx.doi.org/10.1093/zoolinnean/zlac105" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-.journal_article" docStyleVersion="7" docTitle="Holophryxus fusiformis SHIINO 1937" docType="treatment" docVersion="2" lastPageNumber="638" masterDocId="FFACFF861D55FFF4FFAFB9253035FFB8" masterDocTitle="Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods" masterLastPageNumber="649" masterPageNumber="592" pageNumber="637" updateTime="1686068967856" updateUser="diego">
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<mods:title id="5D95FF766DAD4A589AE12DC6DF127CB0">Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods</mods:title>
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<mods:namePart id="43B0973D96988B3E17DB45120B5BBF09">Huys, Rony</mods:namePart>
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<mods:namePart id="FA56D6B0613438F64BBF4CD37E04D3CA">Savchenko, Alexandra S.</mods:namePart>
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<paragraph id="8B8336E81D78FFD9FCDEB9E0357DFF65" blockId="45.[881,1352,196,221]" box="[881,1352,196,221]" pageId="45" pageNumber="637">
<heading id="D0CB81841D78FFD9FCDEB9E0357DFF65" box="[881,1352,196,221]" centered="true" fontSize="9" level="2" pageId="45" pageNumber="637" reason="2">
<taxonomicName id="4C3C4D6B1D78FFD9FCDEB9E0357DFF65" ID-CoL="3M9GD" authority="SHIINO, 1937" authorityName="SHIINO" authorityYear="1937" box="[881,1352,196,221]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="45" pageNumber="637" phylum="Arthropoda" rank="species" species="fusiformis">
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<bibRefCitation id="EFAD4B191D78FFD9FB1EB9E1357DFF65" author="Shiino SM" box="[1201,1352,196,221]" pageId="45" pageNumber="637" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">
<smallCapsWord id="8D65A0341D78FFD9FB1EB9E13536FF63" baselines="215,214" box="[1201,1283,196,221]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Shiino" pageId="45" pageNumber="637">SHIINO</smallCapsWord>
, 1937
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</taxonomicName>
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</paragraph>
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<subSubSection id="C32665631D78FFD9FC86B8293353FE04" pageId="45" pageNumber="637" type="reference_group">
<paragraph id="8B8336E81D78FFD9FC86B82933ADFEF8" blockId="45.[809,1425,268,321]" pageId="45" pageNumber="637">
<emphasis id="B948EAFA1D78FFD9FC86B829342DFE99" box="[809,1048,268,289]" italics="true" pageId="45" pageNumber="637">Original description:</emphasis>
<bibRefCitation id="EFAD4B191D78FFD9FB8CB8293488FE99" author="Shiino SM" box="[1059,1213,268,290]" pageId="45" pageNumber="637" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">Shiino (1937)</bibRefCitation>
: 188191, figs 1, 2 (
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and
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).
</paragraph>
<paragraph id="8B8336E81D78FFD9FC86B84F3353FE04" blockId="45.[809,1424,362,445]" pageId="45" pageNumber="637">
<emphasis id="B948EAFA1D78FFD9FC86B84F3471FEC7" box="[809,1092,362,383]" italics="true" pageId="45" pageNumber="637">Additional descriptions:</emphasis>
<bibRefCitation id="EFAD4B191D78FFD9FBFEB84F3500FEC7" author="Huang MC &amp; Saito N &amp; Shimomura M" box="[1105,1333,362,383]" pageId="45" pageNumber="637" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D78FFD9FB07B84F34D6FEC7" box="[1192,1251,362,383]" italics="true" pageId="45" pageNumber="637">et al.</emphasis>
(2018)
</bibRefCitation>
: 4450, figs 15 (
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and
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).
<bibRefCitation id="EFAD4B191D78FFD9FBA0B8AD3506FE25" author="Shimomura M &amp; Ohtsuka S &amp; Kenmochi A &amp; Misaki H &amp; Nishikawa J" box="[1039,1331,392,414]" pageId="45" pageNumber="637" pagination="45 - 48" refId="ref43299" refString="Shimomura M, Ohtsuka S, Kenmochi A, Misaki H, Nishikawa J. 2020. New host record of Sergia laminata (Burkenroad, 1940) (Sergestidae) for an ectoparasitic isopod, Holophryxus fusiformis Shiino, 1937 (Dajidae). Cancer 29: 45 - 48." type="journal article" year="2020">
Shimomura
<emphasis id="B948EAFA1D78FFD9FB0CB8AC34EAFE25" box="[1187,1247,392,414]" italics="true" pageId="45" pageNumber="637">et al.</emphasis>
(2020)
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: 46, 47, fig. 1.
</paragraph>
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<emphasis id="B948EAFA1D78FFD9FC86B8C334C4FE43" box="[809,1265,486,507]" italics="true" pageId="45" pageNumber="637">
Hosts:
<taxonomicName id="4C3C4D6B1D78FFD9FC29B8C334C4FE43" baseAuthorityName="Spence Bate" baseAuthorityYear="1881" box="[902,1265,486,507]" class="Malacostraca" family="Sergestidae" genus="Prehensilosergia" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Decapoda" pageId="45" pageNumber="637" phylum="Arthropoda" rank="species" species="prehensilis">Prehensilosergia prehensilis</taxonomicName>
</emphasis>
(
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host),
<emphasis id="B948EAFA1D78FFD9FC86BB203564FDA2" box="[809,1361,516,538]" italics="true" pageId="45" pageNumber="637">L u c e n s o s e r g i a l u c e n s, S e r g i a l a m i n a t a</emphasis>
(a l l Dendrobranchiata,
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).
</paragraph>
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<subSubSection id="C32665631D78FFD9FC86BB473441FDCF" box="[809,1140,610,632]" pageId="45" pageNumber="637" type="distribution">
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<emphasis id="B948EAFA1D78FFD9FC86BB47338EFDCF" box="[809,955,610,631]" italics="true" pageId="45" pageNumber="637">Distribution:</emphasis>
<collectingCountry id="F32B76781D78FFD9FC69BB473429FDC0" box="[966,1052,610,632]" name="Taiwan" pageId="45" pageNumber="637">Taiwan</collectingCountry>
,
<collectingCountry id="F32B76781D78FFD9FB88BB473445FDCF" box="[1063,1136,610,631]" name="Japan" pageId="45" pageNumber="637">Japan</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C32665631D78FFDAFC86BB853294FC63" lastPageId="46" lastPageNumber="638" pageId="45" pageNumber="637" type="diagnosis">
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<emphasis id="B948EAFA1D78FFD9FC86BB8534DFFD0D" box="[809,1258,672,693]" italics="true" pageId="45" pageNumber="637">
Differential diagnosis:
<taxonomicName id="4C3C4D6B1D78FFD9FBE1BB8534DFFD0D" baseAuthorityName="Butler" baseAuthorityYear="1964" box="[1102,1258,672,693]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="45" pageNumber="637" phylum="Arthropoda" rank="genus">Holophryxus</taxonomicName>
</emphasis>
. Body length
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(
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),
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(
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) (
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); 7.00
<quantity id="4CC49B0D1D78FFD9FC86BBFB33A7FD4B" box="[809,914,734,756]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" pageId="45" pageNumber="637" unit="mm" value="7.5">7.50 mm</quantity>
(non-ovigerous
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;
<emphasis id="B948EAFA1D78FFD9FB26BBFB34A8FD4B" box="[1161,1181,734,755]" italics="true" pageId="45" pageNumber="637">N</emphasis>
= 2),
<quantity id="4CC49B0D1D78FFD9FB4BBBFB35A5FD4B" box="[1252,1424,734,756]" metricMagnitude="-3" metricUnit="m" metricValue="8.459999999999999" metricValueMax="10.12" metricValueMin="6.8" pageId="45" pageNumber="637" unit="mm" value="8.459999999999999" valueMax="10.12" valueMin="6.8">6.810.12 mm</quantity>
(ovigerous
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;
<emphasis id="B948EAFA1D78FFD9FC70BBD833C6FCAA" box="[991,1011,765,786]" italics="true" pageId="45" pageNumber="637">N</emphasis>
= 14),
<quantity id="4CC49B0D1D78FFD9FBE7BBD934C1FCAA" box="[1096,1268,764,786]" metricMagnitude="-3" metricUnit="m" metricValue="1.4449999999999998" metricValueMax="1.65" metricValueMin="1.24" pageId="45" pageNumber="637" unit="mm" value="1.4449999999999998" valueMax="1.65" valueMin="1.24">1.241.65 mm</quantity>
(
<specimenCount id="9D3AFD611D78FFD9FAA9BBDC351DFCA9" box="[1286,1320,761,785]" pageId="45" pageNumber="637" type="male">♂♂</specimenCount>
;
<emphasis id="B948EAFA1D78FFD9FA97BBD83579FCAA" box="[1336,1356,765,786]" italics="true" pageId="45" pageNumber="637">N</emphasis>
= 10) (
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Huang
<emphasis id="B948EAFA1D78FFD9FC20BA3933FBFC88" box="[911,974,795,817]" italics="true" pageId="45" pageNumber="637">et al.</emphasis>
, 2018
</bibRefCitation>
); 9.0 mm (ovigerous
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;
<emphasis id="B948EAFA1D78FFD9FAEABA39356CFC89" box="[1349,1369,796,817]" italics="true" pageId="45" pageNumber="637">N</emphasis>
= 1) (
<bibRefCitation id="EFAD4B191D78FFD9FC9DBA1F3462FCF7" author="Shimomura M &amp; Ohtsuka S &amp; Kenmochi A &amp; Misaki H &amp; Nishikawa J" box="[818,1111,826,848]" pageId="45" pageNumber="637" pagination="45 - 48" refId="ref43299" refString="Shimomura M, Ohtsuka S, Kenmochi A, Misaki H, Nishikawa J. 2020. New host record of Sergia laminata (Burkenroad, 1940) (Sergestidae) for an ectoparasitic isopod, Holophryxus fusiformis Shiino, 1937 (Dajidae). Cancer 29: 45 - 48." type="journal article" year="2020">
Shimomura
<emphasis id="B948EAFA1D78FFD9FC63BA1F343EFCF7" box="[972,1035,826,847]" italics="true" pageId="45" pageNumber="637">et al.</emphasis>
, 2020
</bibRefCitation>
). Colour yellowish white in
<specimenCount id="9D3AFD611D78FFD9FCE1BA703368FCD5" box="[846,861,853,877]" pageId="45" pageNumber="637" type="female"></specimenCount>
and white in
<specimenCount id="9D3AFD611D78FFD9FBB3BA703419FCD5" box="[1052,1068,853,877]" pageId="45" pageNumber="637" type="male"></specimenCount>
, in ethanol (
<bibRefCitation id="EFAD4B191D78FFD9FB73BA7D354BFCD5" author="Shiino SM" box="[1244,1406,856,878]" pageId="45" pageNumber="637" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">Shiino, 1937</bibRefCitation>
); predominantly beige and yellow in
<specimenCount id="9D3AFD611D78FFD9FB41BA5134C8FC34" box="[1262,1277,884,908]" pageId="45" pageNumber="637" type="female"></specimenCount>
, pleon pale green; white in
<specimenCount id="9D3AFD611D78FFD9FC45BAB633CFFC13" box="[1002,1018,915,939]" pageId="45" pageNumber="637" type="male"></specimenCount>
(
<bibRefCitation id="EFAD4B191D78FFD9FBA3BAB334D8FC13" author="Huang MC &amp; Saito N &amp; Shimomura M" box="[1036,1261,918,939]" pageId="45" pageNumber="637" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D78FFD9FBC9BAB33496FC13" box="[1126,1187,918,939]" italics="true" pageId="45" pageNumber="637">et al.</emphasis>
, 2018
</bibRefCitation>
); orange in
<specimenCount id="9D3AFD611D78FFD9FA2DBAB635A4FC13" box="[1410,1425,915,939]" pageId="45" pageNumber="637" type="female"></specimenCount>
(
<bibRefCitation id="EFAD4B191D78FFD9FC9DBA913479FC71" author="Shimomura M &amp; Ohtsuka S &amp; Kenmochi A &amp; Misaki H &amp; Nishikawa J" box="[818,1100,948,970]" pageId="45" pageNumber="637" pagination="45 - 48" refId="ref43299" refString="Shimomura M, Ohtsuka S, Kenmochi A, Misaki H, Nishikawa J. 2020. New host record of Sergia laminata (Burkenroad, 1940) (Sergestidae) for an ectoparasitic isopod, Holophryxus fusiformis Shiino, 1937 (Dajidae). Cancer 29: 45 - 48." type="journal article" year="2020">
Shimomura
<emphasis id="B948EAFA1D78FFD9FC67BA903431FC71" box="[968,1028,948,970]" italics="true" pageId="45" pageNumber="637">et al.</emphasis>
, 2020
</bibRefCitation>
).
</paragraph>
<paragraph id="8B8336E81D78FFD9FC86BAD633D4F8DB" blockId="45.[809,1425,1011,1891]" pageId="45" pageNumber="637">
<emphasis id="B948EAFA1D78FFD9FC86BAD633AAFBB0" box="[809,927,1011,1032]" italics="true" pageId="45" pageNumber="637">FEMALE:</emphasis>
Body spindle shaped, about 2.22.3 times as long as maximum width in Taiwanese specimens, 1.95 times in Japanese specimens. Cephalon only slightly demarcated from pereon in dorsal aspect by weak constrictions bilaterally and transverse surface fold dorsally; dorsal prominence with emarginate (bilobed) anterior margin; ventral cephalic ridge partly discernible in dorsal aspect, slightly arched, about 0.4 times as long as wide, anterior margin with medial incision producing slightly bilobed appearance, without paired pit organs; posterolateral corners of cephalic ridge with pointed processes, representing coxal plates of incorporated first pereonite. Maxilliped present, bilobate, inner margin deeply concave. Median sternal plate without paired posteriorly directed appendices. Pereon with five pairs of incubatory plates; oostegite 1 bilobate, with medial projection on proximal lobe; oostegite 5 unilobate, covering 64% of ventral side of body, posterior margin with 1012 minute, spinular extensions. Coxal plates of pereopods 25 expressed, represented by pointed processes on lateroventral margins of pereon, separated by transverse folds. Posterior part of pereon with proximal (1) and posterior (13) groups of paired ventrolateral papillae close to posterior margin of fifth incubatory plate. Pleon variable in shape but not clearly demarcated from pereon; about 15% of total body length; posterior margin rounded, typically with tiny, terminal, median, spinous process.
</paragraph>
<paragraph id="8B8336E81D7BFFDAFF0CB9E032D5FD1F" blockId="46.[163,779,197,679]" pageId="46" pageNumber="638">
<emphasis id="B948EAFA1D7BFFDAFF0CB9E030CCFF62" box="[163,249,197,218]" italics="true" pageId="46" pageNumber="638">MALE:</emphasis>
Body elongate, about three times as long as maximum width, dorsoventrally flattened. Cephalon completely fused to first pereonite, forming cephalothorax with weak lobate extensions at posterolateral corners; distinctly wider than long, as wide as pereon; anterior margin rounded. Antennule trilobate, outer lobe with bi-articulated flagellum. Antenna probably 2-segmented; with broad basal part and elongate, posteriorly directed flagellate part; not extending to posterior margin of first pereonite. Pereonites 24 completely separated, pereonites 57 fused dorsally; lateral margins rounded. Pleon completely fused to pereonite 7, forming elongate cone, markedly narrower than pereonite 7, representing 40% of body length; posterior margin rounded or with extension; anal region with few setiform elements.
</paragraph>
<paragraph id="8B8336E81D7BFFDAFF0CBBF53294FC63" blockId="46.[163,779,720,987]" pageId="46" pageNumber="638">
<emphasis id="B948EAFA1D7BFFDAFF0CBBF53118FD5D" box="[163,301,720,741]" italics="true" pageId="46" pageNumber="638">Variability:</emphasis>
Recorded in females in the number of ventrolateral papillae of both the anterior (sometimes absent) and posterior pair (13), the contour of the posterior margin of the pleon (occasionally without terminal process) and colour pattern [cf.
<bibRefCitation id="EFAD4B191D7BFFDAFD34BA6E3175FCC7" author="Huang MC &amp; Saito N &amp; Shimomura M" pageId="46" pageNumber="638" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D7BFFDAFD59BA6E30F4FCC6" italics="true" pageId="46" pageNumber="638">et al.</emphasis>
(2018: 50)
</bibRefCitation>
for details]. The caudal margin of the male pleon occasionally forms an irregularly-shaped (
<bibRefCitation id="EFAD4B191D7BFFDAFF04BA823149FC04" author="Huang MC &amp; Saito N &amp; Shimomura M" box="[171,380,934,956]" pageId="46" pageNumber="638" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D7BFFDAFEAFBA82310DFC03" box="[256,312,934,956]" italics="true" pageId="46" pageNumber="638">et al.</emphasis>
, 2018
</bibRefCitation>
: fig. 3E) or angular [quadrangular plate
<emphasis id="B948EAFA1D7BFFDAFF47BAE33112FC63" box="[232,295,966,987]" italics="true" pageId="46" pageNumber="638">sensu</emphasis>
<bibRefCitation id="EFAD4B191D7BFFDAFE81BAE03188FC62" author="Shiino SM" box="[302,445,965,987]" pageId="46" pageNumber="638" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">Shiino (1937</bibRefCitation>
: fig. 1H)] extension.
</paragraph>
</subSubSection>
<subSubSection id="C32665631D7BFFDAFF0CBD2B33DAFBAF" pageId="46" pageNumber="638" type="discussion">
<paragraph id="8B8336E81D7BFFDAFF0CBD2B3266FA2C" blockId="46.[163,780,1038,1888]" pageId="46" pageNumber="638">
<emphasis id="B948EAFA1D7BFFDAFF0CBD2B3127FB9B" box="[163,274,1038,1059]" italics="true" pageId="46" pageNumber="638">Remarks:</emphasis>
<bibRefCitation id="EFAD4B191D7BFFDAFEB0BD2A3233FB9C" author="Huang MC &amp; Saito N &amp; Shimomura M" box="[287,518,1038,1060]" pageId="46" pageNumber="638" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D7BFFDAFED8BD2A3186FB9B" box="[375,435,1038,1060]" italics="true" pageId="46" pageNumber="638">et al.</emphasis>
(2018)
</bibRefCitation>
discussed differences between
<bibRefCitation id="EFAD4B191D7BFFDAFEA6BD083187FBFA" author="Shiino SM" box="[265,434,1069,1091]" pageId="46" pageNumber="638" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">Shiinos (1937)</bibRefCitation>
original description, based on
<typeStatus id="5487884A1D7BFFDAFF0CBD6930E3FBD9" box="[163,214,1100,1121]" pageId="46" pageNumber="638">type</typeStatus>
material from
<collectingCountry id="F32B76781D7BFFDAFE23BD6931E3FBD9" box="[396,470,1100,1121]" name="Japan" pageId="46" pageNumber="638">Japan</collectingCountry>
, and their own specimens from
<collectingCountry id="F32B76781D7BFFDAFF4CBD4F3108FB38" box="[227,317,1130,1152]" name="Taiwan" pageId="46" pageNumber="638">Taiwan</collectingCountry>
, including (1) host utilization, (2) the presence of a quadrangular plate at the end of the pleon in the Japanese males (absent in the Taiwanese ones, but see variability above), and (3) the number of oostegites (four vs. five). Although
<bibRefCitation id="EFAD4B191D7BFFDAFD81BDC0333EFB42" author="Huang MC &amp; Saito N &amp; Shimomura M" box="[558,779,1253,1275]" pageId="46" pageNumber="638" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D7BFFDAFD2CBDC33289FB42" box="[643,700,1253,1275]" italics="true" pageId="46" pageNumber="638">et al.</emphasis>
(2018)
</bibRefCitation>
state that a re-examination of the
<typeStatus id="5487884A1D7BFFDAFD89BC213262FAA1" box="[550,599,1284,1305]" pageId="46" pageNumber="638">type</typeStatus>
material would be required to resolve the discrepancy in oostegite number, reinterpretation of
<bibRefCitation id="EFAD4B191D7BFFDAFE56BC643296FAEE" author="Shiino SM" box="[505,675,1345,1367]" pageId="46" pageNumber="638" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">Shiinos (1937</bibRefCitation>
: fig. 1C) illustration indicates that it was the second incubatory plate that was most likely overlooked.
</paragraph>
<paragraph id="8B8336E81D7BFFDAFF14BCB83255F97E" blockId="46.[163,780,1038,1888]" pageId="46" pageNumber="638">
Both Japanese and Taiwanese populations of
<taxonomicName id="4C3C4D6B1D7BFFDAFD4CBCBB3128FA69" authorityName="SHIINO" authorityYear="1937" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="fusiformis">
<emphasis id="B948EAFA1D7BFFDAFD4CBCBB3128FA69" italics="true" pageId="46" pageNumber="638">Ho. fusiformis</emphasis>
</taxonomicName>
display two paired sets of ventrolateral papilliform processes on the pereon in adult females, one just anterior to the fifth pair of incubatory plates and one posterior to them (
<bibRefCitation id="EFAD4B191D7BFFDAFE74BF3D325CF995" author="Shiino SM" box="[475,617,1560,1582]" pageId="46" pageNumber="638" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">Shiino, 1937</bibRefCitation>
;
<bibRefCitation id="EFAD4B191D7BFFDAFDD8BF3D30EEF9F3" author="Huang MC &amp; Saito N &amp; Shimomura M" pageId="46" pageNumber="638" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D7BFFDAFD63BF3D3330F995" box="[716,773,1560,1581]" italics="true" pageId="46" pageNumber="638">et al.</emphasis>
, 2018
</bibRefCitation>
). The processes conceivably represent the vestigial sixth and seventh pairs of pereopods, respectively, the latter of which are usually only expressed in subadult females and disappear later in maturation (
<bibRefCitation id="EFAD4B191D7BFFDAFF04BF943175F97F" author="Rustad D" box="[171,320,1713,1735]" pageId="46" pageNumber="638" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad, 1935</bibRefCitation>
; but see
<taxonomicName id="4C3C4D6B1D7BFFDAFE0ABF973265F97E" authorityName="Schultz" authorityYear="1978" box="[421,592,1713,1735]" class="Malacostraca" family="Dajidae" genus="Isophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="septapodus">
<emphasis id="B948EAFA1D7BFFDAFE0ABF973265F97E" box="[421,592,1713,1735]" italics="true" pageId="46" pageNumber="638">Ho. septapodus</emphasis>
</taxonomicName>
).
</paragraph>
<paragraph id="8B8336E81D7BFFDAFF14BFF533DAFBAF" blockId="46.[163,780,1038,1888]" lastBlockId="46.[827,1444,197,1047]" pageId="46" pageNumber="638">
<taxonomicName id="4C3C4D6B1D7BFFDAFF14BFF531F0F95D" authorityName="SHIINO" authorityYear="1937" box="[187,453,1744,1765]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="fusiformis">
<emphasis id="B948EAFA1D7BFFDAFF14BFF531F0F95D" box="[187,453,1744,1765]" italics="true" pageId="46" pageNumber="638">Holophryxus fusiformis</emphasis>
</taxonomicName>
is morphologically closest to
<taxonomicName id="4C3C4D6B1D7BFFDAFF0CBFCA3104F8BB" baseAuthorityName="Rustad" baseAuthorityYear="1935" box="[163,305,1774,1796]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="richardi">
<emphasis id="B948EAFA1D7BFFDAFF0CBFCA3104F8BB" box="[163,305,1774,1796]" italics="true" pageId="46" pageNumber="638">Ho. richardi</emphasis>
</taxonomicName>
(see above for differences with this species) and
<taxonomicName id="4C3C4D6B1D7BFFDAFEBABE2B31FCF89A" box="[277,457,1805,1827]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="polyandrus">
<emphasis id="B948EAFA1D7BFFDAFEBABE2B31FCF89A" box="[277,457,1805,1827]" italics="true" pageId="46" pageNumber="638">Ho. polyandrus</emphasis>
</taxonomicName>
. Although
<bibRefCitation id="EFAD4B191D7BFFDAFDE1BE28333EF89A" author="Schultz GA" box="[590,779,1805,1827]" pageId="46" pageNumber="638" pagination="69 - 89" refId="ref43000" refString="Schultz GA. 1978. More planktonic isopod crustaceans from Subantarctic and Antarctic Seas. In: Biology of the Antarctic Seas VII. Antarctic Research Series 27: 69 - 89." type="book chapter" year="1978">Schultzs (1978)</bibRefCitation>
description is deficient in many aspects, his illustrations of the female reveal a few diagnostic characters that separate it from
<taxonomicName id="4C3C4D6B1D7BFFDAFBE9B9E334C4FF62" authorityName="SHIINO" authorityYear="1937" box="[1094,1265,197,219]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="fusiformis">
<emphasis id="B948EAFA1D7BFFDAFBE9B9E334C4FF62" box="[1094,1265,197,219]" italics="true" pageId="46" pageNumber="638">Ho. fusiformis</emphasis>
</taxonomicName>
, including the ventral cephalic ridge with a straight anterior margin (vs. bilobed), the presence of only 45 long spinular extensions around the posterior margin of the fifth oostegites (vs. 1012 shorter setular ones), the obsolete coxal plates of the fifth pair of pereopods (vs. well developed pointed process), the absence of the posterior papilliform protuberances representing the vestigial seventh pair of pereopods (vs. represented by three papillae on either side), and the shape of the pleon which tapers significantly towards a pointed posterior end (vs. rounded with a minute median process). According to
<bibRefCitation id="EFAD4B191D7BFFDAFB88BB1034E3FDF2" author="Schultz GA" box="[1063,1238,565,587]" pageId="46" pageNumber="638" pagination="69 - 89" refId="ref43000" refString="Schultz GA. 1978. More planktonic isopod crustaceans from Subantarctic and Antarctic Seas. In: Biology of the Antarctic Seas VII. Antarctic Research Series 27: 69 - 89." type="book chapter" year="1978">Schultz (1978)</bibRefCitation>
, the male of
<taxonomicName id="4C3C4D6B1D7BFFDAFAD4BB1033F5FDD0" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="polyandrus">
<emphasis id="B948EAFA1D7BFFDAFAD4BB1033F5FDD0" italics="true" pageId="46" pageNumber="638">Ho. polyandrus</emphasis>
</taxonomicName>
has a discrete pleon and pereonites 27 are likewise free, showing no evidence of fusion, which contrasts with the condition in
<taxonomicName id="4C3C4D6B1D7BFFDAFB01BBB43566FD1E" authorityName="SHIINO" authorityYear="1937" box="[1198,1363,657,678]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="fusiformis">
<emphasis id="B948EAFA1D7BFFDAFB01BBB43566FD1E" box="[1198,1363,657,678]" italics="true" pageId="46" pageNumber="638">Ho. fusiformis</emphasis>
</taxonomicName>
where pereonites 57 are fused dorsally and the pleon is completely fused to pereonite 7 (
<bibRefCitation id="EFAD4B191D7BFFDAFBD5BBEB3533FD5B" author="Shiino SM" box="[1146,1286,718,740]" pageId="46" pageNumber="638" pagination="188 - 192" refId="ref43196" refString="Shiino SM. 1937. Holophryxus fusiformis, a new species of Dajidae, Epicaridea. Annotationes Zoologicae Japonenses 16: 188 - 192." type="journal article" year="1937">Shiino, 1937</bibRefCitation>
;
<bibRefCitation id="EFAD4B191D7BFFDAFABDBBEA3347FCBA" author="Huang MC &amp; Saito N &amp; Shimomura M" pageId="46" pageNumber="638" pagination="43 - 53" refId="ref40157" refString="Huang MC, Saito N, Shimomura M. 2018. First record of Holophryxus fusiformis Shiino, 1937 (Crustacea, Isopoda, Dajidae) from the sakura shrimp, Lucensosergia lucens, in Taiwan. Crustacean Research 47: 43 - 53." type="journal article" year="2018">
Huang
<emphasis id="B948EAFA1D7BFFDAFAC9BBEA35A8FD5B" box="[1382,1437,718,740]" italics="true" pageId="46" pageNumber="638">et al.</emphasis>
, 2018
</bibRefCitation>
). Observations of a live female specimen showed that
<taxonomicName id="4C3C4D6B1D7BFFDAFCDDBA293424FC98" authorityName="SHIINO" authorityYear="1937" box="[882,1041,779,801]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="46" pageNumber="638" phylum="Arthropoda" rank="species" species="fusiformis">
<emphasis id="B948EAFA1D7BFFDAFCDDBA293424FC98" box="[882,1041,779,801]" italics="true" pageId="46" pageNumber="638">Ho. fusiformis</emphasis>
</taxonomicName>
was similar in colour to that of the host shrimp, which was interpreted as a form of camouflage helping the parasite to avoid being detected by predators in the bathypelagic layer (
<bibRefCitation id="EFAD4B191D7BFFDAFAB7BA4233F5FC23" author="Shimomura M &amp; Ohtsuka S &amp; Kenmochi A &amp; Misaki H &amp; Nishikawa J" pageId="46" pageNumber="638" pagination="45 - 48" refId="ref43299" refString="Shimomura M, Ohtsuka S, Kenmochi A, Misaki H, Nishikawa J. 2020. New host record of Sergia laminata (Burkenroad, 1940) (Sergestidae) for an ectoparasitic isopod, Holophryxus fusiformis Shiino, 1937 (Dajidae). Cancer 29: 45 - 48." type="journal article" year="2020">
Shimomura
<emphasis id="B948EAFA1D7BFFDAFC94BAA23342FC23" box="[827,887,902,924]" italics="true" pageId="46" pageNumber="638">et al.</emphasis>
, 2020
</bibRefCitation>
). This supposition seems unlikely since visual predators that live in the darkness below the sunlit surface waters (below the epipelagic or photic zone) are unlikely to detect prey items unless they are bioluminescent.
</paragraph>
</subSubSection>
</treatment>
</document>