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<mods:title id="8027CA33DC1802827657468E003E5FD5">Sea lice (Copepoda, Siphonostomatoida, Caligidae) new to Korea, including three new species</mods:title>
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<paragraph id="AF0E1A5FFF9EFFFA14E7E129DE4EFAAB" blockId="12.[157,762,1350,1662]" box="[157,530,1350,1374]" pageId="12" pageNumber="187">
<heading id="F446AD33FF9EFFFA14E7E129DE4EFAAB" bold="true" box="[157,530,1350,1374]" fontSize="10" level="2" pageId="12" pageNumber="187" reason="4">
<taxonomicName id="68B161DCFF9EFFFA14E7E129DE4EFAAB" ID-CoL="PKJM" authority="Yu, 1933" authorityName="Yu" authorityYear="1933" box="[157,530,1350,1374]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="12" pageNumber="187" phylum="Arthropoda" rank="species" species="rotundigenitalis">
<emphasis id="9DC5C64DFF9EFFFA14E7E129DE4EFAAB" bold="true" box="[157,530,1350,1374]" pageId="12" pageNumber="187">
<emphasis id="9DC5C64DFF9EFFFA14E7E129DDFBFAAB" bold="true" box="[157,423,1350,1374]" italics="true" pageId="12" pageNumber="187">Caligus rotundigenitalis</emphasis>
<bibRefCitation id="CB2067AEFF9EFFFA15D7E129DE4EFAAB" author="Yu, S. C." box="[429,530,1350,1374]" pageId="12" pageNumber="187" pagination="1 - 8" refId="ref20089" refString="Yu, S. C. 1933. Chinese parasitic copepods collected by H. W. Wu, with descriptions of new genera and species. Bull. Fan Mem. Inst. Biol. 4 (4): 117 - 139, pls. 1 - 8." type="journal article" year="1933">Yü, 1933</bibRefCitation>
</emphasis>
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</paragraph>
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<emphasis id="9DC5C64DFF9EFFFA14E7E109DD7DFA8B" bold="true" box="[157,289,1382,1406]" pageId="12" pageNumber="187">
(
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,
<figureCitation id="378A06DAFF9EFFFA1487E109DD45FA8B" box="[253,281,1382,1406]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="12" pageNumber="187">10</figureCitation>
)
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="E7AB49D4FF9EFFFA14E7E1E8DDC1F98B" pageId="12" pageNumber="187" type="reference_group">
<paragraph id="AF0E1A5FFF9EFFFA14E7E1E8DD1DF9EB" blockId="12.[157,762,1350,1662]" pageId="12" pageNumber="187">
<treatmentCitationGroup id="8FA13D71FF9EFFFA14E7E1E8DD1DF9EB" pageId="12" pageNumber="187">
<treatmentCitation id="2E103C4EFF9EFFFA14E7E1E8DE32FA68" author="Yu, S. C." box="[157,622,1414,1438]" page="118" pageId="12" pageNumber="187" year="1933">
<taxonomicName id="68B161DCFF9EFFFA14E7E1E8DE32FA68" ID-CoL="PKJM" authority="Yu, 1933, p. 118" authorityName="Yu" authorityPageNumber="118" authorityYear="1933" box="[157,622,1414,1438]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="12" pageNumber="187" phylum="Arthropoda" rank="species" species="rotundigenitalis">
<emphasis id="9DC5C64DFF9EFFFA14E7E1E8DDF9FA6B" box="[157,421,1415,1438]" italics="true" pageId="12" pageNumber="187">Caligus rotundigenitalis</emphasis>
<bibRefCitation id="CB2067AEFF9EFFFA15D4E1E9DE44FA68" author="Yu, S. C." box="[430,536,1414,1437]" pageId="12" pageNumber="187" pagination="1 - 8" refId="ref20089" refString="Yu, S. C. 1933. Chinese parasitic copepods collected by H. W. Wu, with descriptions of new genera and species. Bull. Fan Mem. Inst. Biol. 4 (4): 117 - 139, pls. 1 - 8." type="journal article" year="1933">Yü, 1933</bibRefCitation>
, p. 118
</taxonomicName>
</treatmentCitation>
, pl. 1, pl. 2, figs. 1-4;
<treatmentCitation id="2E103C4EFF9EFFFA1561E1C8DE44FA4B" author="Rangnekar, M. P." box="[283,536,1447,1470]" page="43" pageId="12" pageNumber="187" year="1959">
<bibRefCitation id="CB2067AEFF9EFFFA1561E1C8DD88FA4B" author="Rangnekar, M. P." box="[283,468,1447,1470]" pageId="12" pageNumber="187" pagination="43 - 58" refId="ref19811" refString="Rangnekar, M. P. 1959. Parasitic copepods from fishes of the western coast of India with description of one new species and redescription of four known species. J. Univ. Bombay B 28 (3): 43 - 58." type="journal article" year="1959">Rangnekar, 1959</bibRefCitation>
, p. 43
</treatmentCitation>
, fig. 1a-m;
<treatmentCitation id="2E103C4EFF9EFFFA16EEE1C8DDFEFA2B" author="Pillai, N. K. &amp; P. Natarajan" page="55" pageId="12" pageNumber="187" year="1977">
<bibRefCitation id="CB2067AEFF9EFFFA16EEE1C8DD03FA2B" author="Pillai, N. K. &amp; P. Natarajan" pageId="12" pageNumber="187" pagination="19 - 43" refId="ref19780" refString="Pillai, N. K. and P. Natarajan. 1977. Copepods parasitic on fishes of the Kerala coast. Aquatic Biol. 2: 19 - 43." type="journal article" year="1977">Pillai and Natarajan, 1977</bibRefCitation>
, p. 55
</treatmentCitation>
;
<treatmentCitation id="2E103C4EFF9EFFFA15D4E1A8DEFDFA2B" author="Ho, J. &amp; C. - L. Lin &amp; S. - N. Chen" box="[430,673,1479,1502]" page="177" pageId="12" pageNumber="187" year="2000">
<bibRefCitation id="CB2067AEFF9EFFFA15D4E1A8DE0CFA2B" author="Ho, J. &amp; C. - L. Lin &amp; S. - N. Chen" box="[430,592,1479,1502]" pageId="12" pageNumber="187" pagination="159 - 179" refId="ref19089" refString="Ho, J. - s., C. - L. Lin and S. - N. Chen. 2000. Species of Caligus Muller, 1785 (Copepoda: Caligidae) parasitic on marine fishes of Taiwan. Syst. Parasitol. 46: 159 - 179." type="journal article" year="2000">
Ho
<emphasis id="9DC5C64DFF9EFFFA15ACE1A8DE57FA2B" box="[470,523,1479,1502]" italics="true" pageId="12" pageNumber="187">et al.</emphasis>
, 2000
</bibRefCitation>
, p. 177
</treatmentCitation>
;
<treatmentCitation id="2E103C4EFF9EFFFA16D6E1A8DD28FA0B" author="Ho, J. &amp; C. - L. Lin" page="268" pageId="12" pageNumber="187" year="2004">
<bibRefCitation id="CB2067AEFF9EFFFA16D6E1A8DD7CFA0B" author="Ho, J. &amp; C. - L. Lin" pageId="12" pageNumber="187" refId="ref19049" refString="Ho, J. - s. and C. - L. Lin. 2004. Sea Lice of Taiwan (Copepoda: Siphonostomatoida: Caligidae). The Sueichan Press, Keelung, Taiwan, 387 pp." type="book" year="2004">Ho and Lin, 2004</bibRefCitation>
, p. 268
</treatmentCitation>
, figs. 3-14;
<bibRefCitation id="CB2067AEFF9EFFFA1581E188DCB0F9EB" author="Venmathi Maran, B. A. &amp; T. S. Leong &amp; S. Ohtsuka &amp; K. Nagasawa" pageId="12" pageNumber="187" pagination="797 - 807" refId="ref20187" refString="Venmathi Maran, B. A., T. S. Leong, S. Ohtsuka and K. Nagasawa. 2009. Records of Caligus (Crustacea: Copepoda: Caligidae) from marine fish cultured in floating cages in Malaysia with a redescription of male Caligus longipedis Bassett-Smith, 1898. Zool. Stud. 48: 797 - 807." type="journal article" year="2009">
Venmathi Maran
<emphasis id="9DC5C64DFF9EFFFA16C1E188DEAFFA0B" box="[699,755,1511,1534]" italics="true" pageId="12" pageNumber="187">et al.</emphasis>
, 2009
</bibRefCitation>
; p. 797.
</treatmentCitationGroup>
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA14E7E248DEA4F9CB" blockId="12.[157,762,1350,1662]" box="[157,760,1575,1598]" pageId="12" pageNumber="187">
<treatmentCitationGroup id="8FA13D71FF9EFFFA14E7E248DEA4F9CB" box="[157,760,1575,1598]" pageId="12" pageNumber="187">
<taxonomicName id="68B161DCFF9EFFFA14E7E248DDD5F9CB" ID-CoL="PKG7" authorityName="Shen" authorityYear="1957" box="[157,393,1575,1598]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="12" pageNumber="187" phylum="Arthropoda" rank="species" species="multispinosus">
<emphasis id="9DC5C64DFF9EFFFA14E7E248DDD5F9CB" box="[157,393,1575,1598]" italics="true" pageId="12" pageNumber="187">Caligus multispinosus</emphasis>
</taxonomicName>
:
<treatmentCitation id="2E103C4EFF9EFFFA15EDE248DED2F9CB" author="Lin, C. - L. &amp; S. - N. Chen" box="[407,654,1575,1598]" page="259" pageId="12" pageNumber="187" year="1994">
<bibRefCitation id="CB2067AEFF9EFFFA15EDE248DE62F9CB" author="Lin, C. - L. &amp; S. - N. Chen" box="[407,574,1575,1598]" pageId="12" pageNumber="187" pagination="253 - 264" refId="ref19533" refString="Lin, C. - L., J. - s. Ho and S. - N. Chen. 1994. Two species of Caligus (Copepoda: Caligidae) parasitic on black sea bream (Acanthopagrus schlegeli) cultured in Taiwan. Fish Pathol. 29: 253 - 264." type="journal article" year="1994">
Lin
<emphasis id="9DC5C64DFF9EFFFA15B9E248DDA5F9CB" box="[451,505,1575,1598]" italics="true" pageId="12" pageNumber="187">et al.</emphasis>
, 1994
</bibRefCitation>
, p. 259
</treatmentCitation>
, figs. 5-7.
</treatmentCitationGroup>
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA14E7E228DDC1F98B" blockId="12.[157,762,1350,1662]" pageId="12" pageNumber="187">
<treatmentCitationGroup id="8FA13D71FF9EFFFA14E7E228DDC1F98B" pageId="12" pageNumber="187">
<treatmentCitation id="2E103C4EFF9EFFFA14E7E228DE6BF9AB" author="Yamaguti, S." box="[157,567,1607,1630]" page="2" pageId="12" pageNumber="187" year="1936">
<taxonomicName id="68B161DCFF9EFFFA14E7E228DE6BF9AB" ID-CoL="PKK9" authority="Yamaguti, 1936, p. 2" authorityName="Yamaguti" authorityPageNumber="2" authorityYear="1936" box="[157,567,1607,1630]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="12" pageNumber="187" phylum="Arthropoda" rank="species" species="seriolae">
<emphasis id="9DC5C64DFF9EFFFA14E7E228DD11F9AB" box="[157,333,1607,1630]" italics="true" pageId="12" pageNumber="187">Caligus seriolae</emphasis>
<bibRefCitation id="CB2067AEFF9EFFFA1529E228DE5EF9AB" author="Yamaguti, S." box="[339,514,1607,1630]" pageId="12" pageNumber="187" pagination="1 - 12" refId="ref20051" refString="Yamaguti, S. 1936. Parasitic copepods from fishes of Japan, Pt. 2. Caligoida, I. Published by the author, pp. 1 - 22, pls. 1 - 12." type="book chapter" year="1936">Yamaguti, 1936</bibRefCitation>
, p. 2
</taxonomicName>
</treatmentCitation>
, pl. 1;
<treatmentCitation id="2E103C4EFF9EFFFA16FBE228DCA4F98B" author="Kim, I. - H." page="681" pageId="12" pageNumber="187" year="1998">
<bibRefCitation id="CB2067AEFF9EFFFA16FBE228DEAAF9AB" author="Kim, I. - H." box="[641,758,1607,1630]" pageId="12" pageNumber="187" refId="ref19331" refString="Kim, I. - H. 1998. Illustrated Encyclopedia of Fauna and Flora of Korea, 38. Cirripedia, Symbiotic Copepoda, Pycnogomida. Ministry of Education, Korea, 1038 pp." type="book" year="1998">Kim, 1998</bibRefCitation>
, p. 681
</treatmentCitation>
, figs. 324, 325.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="E7AB49D4FF9EFFF914E7E2C8DE57FB89" lastPageId="15" lastPageNumber="190" pageId="12" pageNumber="187" type="materials_examined">
<paragraph id="AF0E1A5FFF9EFFFA14E7E2C8DD6AF8EA" blockId="12.[157,762,1702,1984]" pageId="12" pageNumber="187">
<emphasis id="9DC5C64DFF9EFFFA14E7E2C8DD20F94A" bold="true" box="[157,380,1703,1727]" pageId="12" pageNumber="187">Material examined.</emphasis>
<materialsCitation id="1FD91002FF9EFFFA15FEE2C7DD6EF8EA" collectingDate="2009-10-11" collectorName="S. Y. Moon" country="South Korea" location="Wando Island" pageId="12" pageNumber="187" specimenCount="1">
3¥¥, 2JJ from gills of
<taxonomicName id="68B161DCFF9EFFFA16CCE2C7DEDCF92A" authority="(Eydoux and Souleyet)" baseAuthorityName="Eydoux and Souleyet" family="Hapalogenyidae" genus="Hapalogenys" kingdom="Animalia" order="Perciformes" pageId="12" pageNumber="187" phylum="Chordata" rank="species" species="mucronatus">
<emphasis id="9DC5C64DFF9EFFFA16CCE2C7DD24F92A" italics="true" pageId="12" pageNumber="187">Hapalogenys mucronatus</emphasis>
(Eydoux and Souleyet)
</taxonomicName>
, at
<location id="AA6E4C84FF9EFFFA16D6E2A7DCBDF90A" LSID="urn:lsid:plazi:treatment:2718AB49FF9EFFF914E7E129DFC4FE4C:AA6E4C84FF9EFFFA16D6E2A7DCBDF90A" country="South Korea" name="Wando Island" pageId="12" pageNumber="187">Wando Island</location>
, in the southern coast of
<collectingCountry id="D7A65ACFFF9EFFFA1581E287DE63F90A" box="[507,575,1768,1791]" name="South Korea" pageId="12" pageNumber="187">Korea</collectingCountry>
,
<collectorName id="02447F89FF9EFFFA1637E287DE8DF90A" box="[589,721,1768,1791]" pageId="12" pageNumber="187">S. Y. Moon</collectorName>
,
<date id="DB0F3C9FFF9EFFFA16A5E287DD6EF8EA" pageId="12" pageNumber="187" value="2009-10-11">
<collectingDate id="CB4BC577FF9EFFFA16A5E287DD6EF8EA" pageId="12" pageNumber="187" value="2009-10-11">11 October 2009</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA14E7E347D877FE0F" blockId="12.[157,762,1702,1984]" lastBlockId="12.[822,1427,258,1245]" pageId="12" pageNumber="187">
<emphasis id="9DC5C64DFF9EFFFA14E7E347DCABF8B5" bold="true" box="[157,247,1832,1856]" pageId="12" pageNumber="187">Female.</emphasis>
Body (
<figureCitation id="378A06DAFF9EFFFA153EE347DDC5F8CA" box="[324,409,1832,1855]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9A</figureCitation>
)
<quantity id="6849B7BAFF9EFFFA15D3E347DE59F8CA" box="[425,517,1832,1855]" metricMagnitude="-3" metricUnit="m" metricValue="2.63" pageId="12" pageNumber="187" unit="mm" value="2.63">2.63 mm</quantity>
long. Cephalothoracic shield circular, 1.24×
<quantity id="6849B7BAFF9EFFFA15F3E327DDB4F8AA" box="[393,488,1864,1887]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="12" pageNumber="187" unit="mm" value="1.2">1.20 mm</quantity>
; lunules small; ventral rib of lateral zone ramified distally; posterolateral pit present; posterior sinus moderately deep; thoracic zone extending far beyond lateral zone. Fourth pedigerous somite fused with genital complex. Urosome longer than prosome. Genital complex 568×851 µm, wider than long, with rounded anterolateral and posterolateral corners. Abdomen fused with genital complex, 421×254 µm, 1- segmented, its anterior half broader and posterior half narrower. Caudal rami slightly incurved, 112×74 µm, 1.51 times as long as wide, with 6 setae, and setules on inner margin (
<figureCitation id="378A06DAFF9EFFFA17B1E58CD843FE0F" box="[971,1055,483,506]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9B</figureCitation>
).
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA1737E66CD82CFCCE" blockId="12.[822,1427,258,1245]" pageId="12" pageNumber="187">
Antennule (
<figureCitation id="378A06DAFF9EFFFA17B6E66CD87FFDEF" box="[972,1059,515,538]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9C</figureCitation>
) 232 µm long and 2-segmented; proximal segment occupying 64% length of antennule, with 27 pinnate and 2 naked setae; distal segment with 12 naked setae and 2 aesthetascs. Antenna 3-segmented; first segment lacking proximal process (
<figureCitation id="378A06DAFF9EFFFA10A5E6ECD969FD6F" box="[1247,1333,643,666]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9D</figureCitation>
); second segment nearly quadrangular; third segment forming large, distally bent claw bearing 2 small setae. Postantennal process small, bearing 2 papillae each tipped with 2 or 3 setules; another papilla located posterior to postantennal process tipped with 3 setules.
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA1737E72BD83AFB49" blockId="12.[822,1427,258,1245]" pageId="12" pageNumber="187">
Mandible with 12 teeth. Maxillule consisting of anterior papilla bearing 3 setae and posterior elongate process bearing small denticle on side (
<figureCitation id="378A06DAFF9EFFFA1003E7EBD892FC6E" box="[1145,1230,900,923]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9D</figureCitation>
). Maxilla (
<figureCitation id="378A06DAFF9EFFFA1146E7EBD9D7FC6E" box="[1340,1419,900,923]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9E</figureCitation>
) 2-segmented; proximal segment (lacertus) slightly curved and unarmed; slender distal segment (brachium) with subdistal membrane (flabellum) at about 65% region of inner margin; calamus about about 1.3 times longer than canna. Maxilliped (
<figureCitation id="378A06DAFF9EFFFA17CDE04AD85AFBC9" box="[951,1030,1061,1084]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9F</figureCitation>
) 3-segmented; first segment (corpus) gradually narrowed distally; second segment (shaft) short, with 1 distal seta; third segment forming strongly curved claw. Sternal furca (
<figureCitation id="378A06DAFF9EFFFA106DE0EAD833FB69" box="[1047,1135,1157,1180]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9G</figureCitation>
) with broad tines bearing blunt and oblique distal end.
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA1737E0A9D95CFB28" blockId="12.[822,1427,258,1245]" box="[845,1280,1221,1245]" pageId="12" pageNumber="187">Armature on rami of legs 1-4 as follows:</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA1737E099D967FAF8" blockId="12.[845,1374,1270,1390]" box="[845,1339,1270,1293]" pageId="12" pageNumber="187">
Leg 1: exopod 1-0;
<collectionCode id="C9A0829AFF9EFFFA1065E099D862FAF8" box="[1055,1086,1270,1293]" pageId="12" pageNumber="187">III</collectionCode>
,1,3; endopod (vestigial)
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA1737E179D902FAD8" blockId="12.[845,1374,1270,1390]" box="[845,1374,1302,1326]" pageId="12" pageNumber="187">Leg 2: exopod I-1; I-1; II,I,5; endopod 0-1; 0-2; 6</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA1737E159D97AFAB8" blockId="12.[845,1374,1270,1390]" box="[845,1318,1334,1358]" pageId="12" pageNumber="187">
Leg 3: exopod I-0; I-1;
<collectionCode id="C9A0829AFF9EFFFA1032E159D83AFAB8" box="[1096,1126,1334,1357]" pageId="12" pageNumber="187">III</collectionCode>
,4; endopod 0-1; 6
</paragraph>
<paragraph id="AF0E1A5FFF9EFFFA1737E139D96CFA98" blockId="12.[845,1374,1270,1390]" box="[845,1328,1366,1390]" pageId="12" pageNumber="187">
Leg 4: exopod I-0; I-0;
<collectionCode id="C9A0829AFF9EFFFA1032E139D83AFA98" box="[1096,1126,1366,1389]" pageId="12" pageNumber="187">III</collectionCode>
; endopod (lacking)
</paragraph>
<paragraph id="AF0E1A5FFF9EFFF91737E1E9DD7FFDCF" blockId="12.[822,1428,1414,1984]" lastBlockId="15.[159,764,258,1984]" lastPageId="15" lastPageNumber="190" pageId="12" pageNumber="187">
Leg 1 (
<figureCitation id="378A06DAFF9EFFFA17EDE1E9DFB7FA68" box="[919,1003,1414,1437]" captionStart="Fig" captionStartId="13.[159,192,1938,1958]" captionTargetBox="[228,1365,258,1901]" captionTargetId="figure-18@13.[208,1379,238,1902]" captionTargetPageId="13" captionText="Fig. 9. Caligus rotundigenitalis Yü, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm." figureDoi="http://doi.org/10.5281/zenodo.13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="12" pageNumber="187">Fig. 9H</figureCitation>
) coxa with branched outer setule; basis with pinnate outer seta, smaller pinnate inner seta. Proximal exopodal segment with 1 small outer distal naked seta and row of setules on inner margin; outermost distal spine distinctly smaller than nearby elements and bearing spinules; other 3 distal element setiform, naked, and subequal in size, without setule or subsidiary element. Leg 2 (
<figureCitation id="378A06DAFF9EFFFA17FBE208DFBFF98B" box="[897,995,1639,1662]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="12" pageNumber="187">Fig. 10A</figureCitation>
) coxa with large seta on inner posterior margin; basis with small outer seta and 1 inner setule and membrane on inner part of posterior margin; second and third endopodal segments with patch of minute spinules on outer surface; outer side of basis and first exopodal segment with broad membrane (not illustrated in
<figureCitation id="378A06DAFF9EFFFA1112E367DF3AF8CA" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="12" pageNumber="187">Fig. 10A</figureCitation>
). Leg 3 (
<figureCitation id="378A06DAFF9EFFFA17BAE347D841F8CA" box="[960,1053,1832,1855]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="12" pageNumber="187">Fig. 10B</figureCitation>
) protopod (apron) with broad membrane on outer and inner margins; outer spines of second and third exopodal segments setiform; outer proximal spine on third exopodal segment markedly smaller than distal 2 spines; distal endopodal segment with vestige of articulation. Leg 4 (
<figureCitation id="378A06DAFF9DFFF91510E56DDD94FEEC" box="[362,456,258,281]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="15" pageNumber="190">Fig. 10C</figureCitation>
) stocky; protopod with small outer distal seta. Exopod of leg 4 3-segmented; first segment longest, with 1 small setule on outer margin; third segment tapering; distalmost spine on third segment 110 µm long, distinctly longer than other spines; other 4 spines on exopod setiform, dissimilar in form to distalmost spine, plumose, and distally curved; all spines on exopod accompanied by membrane near base. Leg 5 represented by 1 and 3 small setae on posterolateral margin of genital complex.
</paragraph>
<caption id="FBCE4AD7FF9FFFFB14E5E3FDD8B6F834" ID-DOI="http://doi.org/10.5281/zenodo.13146319" ID-Zenodo-Dep="13146319" httpUri="https://zenodo.org/record/13146319/files/figure.png" pageId="13" pageNumber="188" startId="13.[159,192,1938,1958]" targetBox="[228,1365,258,1901]" targetPageId="13" targetType="figure">
<paragraph id="AF0E1A5FFF9FFFFB14E5E3FDD8B6F834" blockId="13.[159,1429,1938,1985]" pageId="13" pageNumber="188">
<emphasis id="9DC5C64DFF9FFFFB14E5E3FDDC80F853" bold="true" box="[159,220,1938,1958]" pageId="13" pageNumber="188">Fig. 9.</emphasis>
<taxonomicName id="68B161DCFF9FFFFB1498E3FDDDB8F853" authority="Yu" authorityName="Yu" authorityYear="1933" box="[226,484,1938,1958]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="13" pageNumber="188" phylum="Arthropoda" rank="species" species="rotundigenitalis">
<emphasis id="9DC5C64DFF9FFFFB1498E3FDDD9CF853" box="[226,448,1938,1958]" italics="true" pageId="13" pageNumber="188">Caligus rotundigenitalis</emphasis>
</taxonomicName>
, female. A. habitus, dorsal. B. caudal rami, dorsal. C. antennule. D. antenna, postantennal process, and maxillule. E. maxilla. F. maxilliped. G. sternal furca. H. leg 1. Scales=A. 0.5 mm. B, D, F. 0.1 mm. C, E, G, H. 0.05 mm.
</paragraph>
</caption>
<paragraph id="AF0E1A5FFF9CFFF815CEE53FDE4CF98D" pageId="14" pageNumber="189">C B A F H D G E</paragraph>
<caption id="FBCE4AD7FF9CFFF814E7E3F2DFD3F839" pageId="14" pageNumber="189" startId="14.[157,190,1949,1969]" targetType="figure">
<paragraph id="AF0E1A5FFF9CFFF814E7E3F2DFD3F839" blockId="14.[157,1428,1949,1996]" pageId="14" pageNumber="189">
<emphasis id="9DC5C64DFF9CFFF814E7E3F2DCBAF844" bold="true" box="[157,230,1949,1969]" pageId="14" pageNumber="189">Fig. 10.</emphasis>
<taxonomicName id="68B161DCFF9CFFF81495E3F2DDA8F844" authority="Yu" authorityName="Yu" authorityYear="1933" box="[239,500,1949,1969]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="14" pageNumber="189" phylum="Arthropoda" rank="species" species="rotundigenitalis">
<emphasis id="9DC5C64DFF9CFFF81495E3F2DD92F844" box="[239,462,1949,1969]" italics="true" pageId="14" pageNumber="189">Caligus rotundigenitalis</emphasis>
</taxonomicName>
, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm.
</paragraph>
</caption>
<paragraph id="AF0E1A5FFF9DFFF914E5E62CDEF9FD2F" blockId="15.[159,764,258,1984]" pageId="15" pageNumber="190">
<emphasis id="9DC5C64DFF9DFFF914E5E62CDCBCFDAE" bold="true" box="[159,224,579,603]" pageId="15" pageNumber="190">Male.</emphasis>
Body (
<figureCitation id="378A06DAFF9DFFF9154BE62CDDCBFDAF" box="[305,407,579,602]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="15" pageNumber="190">Fig. 10D</figureCitation>
)
<quantity id="6849B7BAFF9DFFF915D2E62CDE5BFDAF" box="[424,519,579,602]" metricMagnitude="-3" metricUnit="m" metricValue="1.61" pageId="15" pageNumber="190" unit="mm" value="1.61">1.61 mm</quantity>
long. Cephalic shield 919×863 µm, resembling that of female. Genital complex slightly longer than wide. Abdomen 2-segmented, segmentation incomplete; distal somite about twice as long as proximal one. Caudal ramus 88×61 µm.
</paragraph>
<paragraph id="AF0E1A5FFF9DFFF914CFE68BDE24FC6E" blockId="15.[159,764,258,1984]" pageId="15" pageNumber="190">
Antennule armed as in female. Antenna (
<figureCitation id="378A06DAFF9DFFF9160CE68BDE88FD0E" box="[630,724,740,763]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="15" pageNumber="190">Fig. 10F</figureCitation>
) 3- segmented; first segment with 1 adhesion pad; second segment with 2 weak adhesion pads; third segment with 2 inner proximal setae and forming strong claw bearing large subsidiary claw near middle. Postantennal process more slender and longer than that of female.
</paragraph>
<paragraph id="AF0E1A5FFF9DFFF914CFE7CBDE13FC09" blockId="15.[159,764,258,1984]" pageId="15" pageNumber="190">
Mandible, maxillule and maxilla as in female. Maxilliped (
<figureCitation id="378A06DAFF9DFFF9149BE7AADD1AFC29" box="[225,326,965,988]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="15" pageNumber="190">Fig. 10G</figureCitation>
) with 1 corrugation on inner margin of first segment. Sternal furca as in female.
</paragraph>
<paragraph id="AF0E1A5FFF9DFFF914CFE06ADE57FB89" blockId="15.[159,764,258,1984]" pageId="15" pageNumber="190">
Legs 1-4 also as in female. Leg 5 represented by 4 small setae on lateral margin of genital complex (
<figureCitation id="378A06DAFF9DFFF9161AE04ADE9DFBC9" box="[608,705,1061,1084]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="15" pageNumber="190">Fig. 10H</figureCitation>
). Leg 6 represented by 3 small setae on each posterolateral corner of genital complex (
<figureCitation id="378A06DAFF9DFFF915E1E00ADDA3FB89" box="[411,511,1125,1148]" captionStart="Fig" captionStartId="14.[157,190,1949,1969]" captionText="Fig. 10. Caligus rotundigenitalis Yü, female. A. leg 2. B. leg 3. C. leg 4. Male. D. habitus, dorsal. E. urosome, ventral. F. antenna. G. maxilliped. H. legs 5 and 6. Scales=A, C, E. 0.1 mm. B, F-H. 0.05mm. D. 0.2 mm." pageId="15" pageNumber="190">Fig. 10H</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="E7AB49D4FF9DFFF914E5E0EADD9AFAE8" pageId="15" pageNumber="190" type="distribution">
<paragraph id="AF0E1A5FFF9DFFF914E5E0EADD9AFAE8" blockId="15.[159,764,258,1984]" pageId="15" pageNumber="190">
<emphasis id="9DC5C64DFF9DFFF914E5E0EADDF5FB68" bold="true" box="[159,425,1157,1181]" pageId="15" pageNumber="190">Distribution and hosts.</emphasis>
Very diverse species of fishes have been reported as hosts of
<taxonomicName id="68B161DCFF9DFFF9158FE0C9DE9DFB48" authorityName="Yu" authorityYear="1933" box="[501,705,1190,1213]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="rotundigenitalis">
<emphasis id="9DC5C64DFF9DFFF9158FE0C9DE9DFB48" box="[501,705,1190,1213]" italics="true" pageId="15" pageNumber="190">C. rotundigenitalis</emphasis>
</taxonomicName>
from Persian Gulf,
<collectingCountry id="D7A65ACFFF9DFFF91542E0A9DD2DFB28" box="[312,369,1222,1245]" name="India" pageId="15" pageNumber="190">India</collectingCountry>
,
<collectingCountry id="D7A65ACFFF9DFFF91504E0A9DD9CFB28" box="[382,448,1222,1245]" name="China" pageId="15" pageNumber="190">China</collectingCountry>
,
<collectingCountry id="D7A65ACFFF9DFFF915B4E0A9DE7DFB28" box="[462,545,1222,1245]" name="Taiwan" pageId="15" pageNumber="190">Taiwan</collectingCountry>
, and
<collectingCountry id="D7A65ACFFF9DFFF91624E0A9DE9FFB28" box="[606,707,1222,1245]" name="Malaysia" pageId="15" pageNumber="190">Malaysia</collectingCountry>
. It is parasitic on 33 species of fishes belonging to 19 families in
<collectingCountry id="D7A65ACFFF9DFFF914C0E169DD56FAE8" box="[186,266,1286,1309]" name="Taiwan" pageId="15" pageNumber="190">Taiwan</collectingCountry>
(
<bibRefCitation id="CB2067AEFF9DFFF9156FE169DDE7FAE8" author="Ho, J. &amp; C. - L. Lin &amp; S. - N. Chen" box="[277,443,1286,1309]" pageId="15" pageNumber="190" pagination="159 - 179" refId="ref19089" refString="Ho, J. - s., C. - L. Lin and S. - N. Chen. 2000. Species of Caligus Muller, 1785 (Copepoda: Caligidae) parasitic on marine fishes of Taiwan. Syst. Parasitol. 46: 159 - 179." type="journal article" year="2000">
Ho
<emphasis id="9DC5C64DFF9DFFF91544E169DD28FAE8" box="[318,372,1286,1309]" italics="true" pageId="15" pageNumber="190">et al.</emphasis>
, 2000
</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="E7AB49D4FF9DFFF914E5E149DFC4FE4C" pageId="15" pageNumber="190" type="discussion">
<paragraph id="AF0E1A5FFF9DFFF914E5E149DFC4FE4C" blockId="15.[159,764,258,1984]" lastBlockId="15.[824,1429,258,441]" pageId="15" pageNumber="190">
<emphasis id="9DC5C64DFF9DFFF914E5E149DD51FACB" bold="true" box="[159,269,1318,1342]" pageId="15" pageNumber="190">Remarks.</emphasis>
<bibRefCitation id="CB2067AEFF9DFFF9156DE149DD9AFAC8" author="Ho, J. &amp; C. - L. Lin &amp; S. - N. Chen" box="[279,454,1318,1341]" pageId="15" pageNumber="190" pagination="159 - 179" refId="ref19089" refString="Ho, J. - s., C. - L. Lin and S. - N. Chen. 2000. Species of Caligus Muller, 1785 (Copepoda: Caligidae) parasitic on marine fishes of Taiwan. Syst. Parasitol. 46: 159 - 179." type="journal article" year="2000">
Ho
<emphasis id="9DC5C64DFF9DFFF9153BE149DD26FAC8" box="[321,378,1318,1341]" italics="true" pageId="15" pageNumber="190">et al.</emphasis>
(2000)
</bibRefCitation>
mentioned the similarity of
<taxonomicName id="68B161DCFF9DFFF914E5E129DD36FAA8" authorityName="Yu" authorityYear="1933" box="[159,362,1350,1373]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="rotundigenitalis">
<emphasis id="9DC5C64DFF9DFFF914E5E129DD36FAA8" box="[159,362,1350,1373]" italics="true" pageId="15" pageNumber="190">C. rotundigenitalis</emphasis>
</taxonomicName>
with
<taxonomicName id="68B161DCFF9DFFF915D1E129DE90FAA8" authority="Yamaguti, 1939" authorityName="Yamaguti" authorityYear="1939" box="[427,716,1350,1373]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="tanago">
<emphasis id="9DC5C64DFF9DFFF915D1E129DE4AFAA8" box="[427,534,1350,1373]" italics="true" pageId="15" pageNumber="190">C. tanago</emphasis>
Yamaguti, 1939
</taxonomicName>
and
<taxonomicName id="68B161DCFF9DFFF914E5E108DD9AFA88" authority="Shen, 1957" authorityName="Shen" authorityYear="1957" box="[159,454,1382,1406]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="mutispinosus">
<emphasis id="9DC5C64DFF9DFFF914E5E108DD1AFA8B" box="[159,326,1383,1406]" italics="true" pageId="15" pageNumber="190">C. mutispinosus</emphasis>
Shen, 1957
</taxonomicName>
. To this group, we could also keep
<taxonomicName id="68B161DCFF9DFFF914A2E1E8DE58FA68" authority="Yamaguti, 1936" authorityName="Yamaguti" authorityYear="1936" box="[216,516,1414,1438]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="seriolae">
<emphasis id="9DC5C64DFF9DFFF914A2E1E8DD11FA6B" box="[216,333,1415,1438]" italics="true" pageId="15" pageNumber="190">C. seriolae</emphasis>
<bibRefCitation id="CB2067AEFF9DFFF9152EE1E9DE58FA68" author="Yamaguti, S." box="[340,516,1414,1437]" pageId="15" pageNumber="190" pagination="1 - 12" refId="ref20051" refString="Yamaguti, S. 1936. Parasitic copepods from fishes of Japan, Pt. 2. Caligoida, I. Published by the author, pp. 1 - 22, pls. 1 - 12." type="book chapter" year="1936">Yamaguti, 1936</bibRefCitation>
</taxonomicName>
. These four species are similar to one another in most of the morphological aspects. However,
<taxonomicName id="68B161DCFF9DFFF91538E1A8DDF6FA2B" authorityName="Yamaguti" authorityYear="1939" box="[322,426,1479,1502]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="tanago">
<emphasis id="9DC5C64DFF9DFFF91538E1A8DDF6FA2B" box="[322,426,1479,1502]" italics="true" pageId="15" pageNumber="190">C. tanago</emphasis>
</taxonomicName>
can be separated from the other three by having a narrow abdomen with its nearly parallel lateral margins and a simple (not ramified) ventral rib of the lateral zones of the cephalic shield which can be detected in the dorsal view of body under the microscope. A close comparison of the remaining three species based on the previous records and our available specimens fail- ed to distinguish them. We consider
<taxonomicName id="68B161DCFF9DFFF9165BE2C7DE93F94A" authorityName="Shen" authorityYear="1957" box="[545,719,1704,1727]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="multispinosus">
<emphasis id="9DC5C64DFF9DFFF9165BE2C7DE93F94A" box="[545,719,1704,1727]" italics="true" pageId="15" pageNumber="190">C. multispinosus</emphasis>
</taxonomicName>
and
<taxonomicName id="68B161DCFF9DFFF914E5E2A7DD4BF92A" authorityName="Yamaguti" authorityYear="1936" box="[159,279,1736,1759]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="seriolae">
<emphasis id="9DC5C64DFF9DFFF914E5E2A7DD4BF92A" box="[159,279,1736,1759]" italics="true" pageId="15" pageNumber="190">C. seriolae</emphasis>
</taxonomicName>
as junior synomyms of
<taxonomicName id="68B161DCFF9DFFF91652E2A7DEA8F92A" authorityName="Yu" authorityYear="1933" box="[552,756,1736,1759]" class="Copepoda" family="Caligidae" genus="Caligus" kingdom="Animalia" order="Siphonostomatoida" pageId="15" pageNumber="190" phylum="Arthropoda" rank="species" species="rotundigenitalis">
<emphasis id="9DC5C64DFF9DFFF91652E2A7DEA8F92A" box="[552,756,1736,1759]" italics="true" pageId="15" pageNumber="190">C. rotundigenitalis</emphasis>
</taxonomicName>
. They share the following characteristic features: 1) the ventral rib of the lateral zones of the cephalic shield ramified distally; 2) the antenna lacks a proximal spine on the first segment; 3) the postantennal process is small in the female; 4) the distal tines of the sterna furca are broad, with blunt tip; 5) the rudimentary endopod of leg 1 is blunt; 6) the outermost distal spine (spine I) of the distal exopodal segment of leg 1 is spiniform and much smaller than other 3 distal spines which are naked, setiform, and similar in length, without accessory element; and 7) the distalmost spine of leg 4 is nearly smooth and distinctly longer than four proximal spines which are plumose and setiform.
</paragraph>
</subSubSection>
</treatment>
</document>