treatments-xml/data/5F/8C/75/5F8C75B150B15CE28174ADE035194577.xml

<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1115.83266" ID-Pensoft-Pub="1313-2970-1115-1" ID-Pensoft-UUID="1AB765B8065B5504A31014D2B0937E01" ID-ZooBank="C3E233F10EF74D2DBD4AA32AE7C4DF5E" ModsDocID="1313-2970-1115-1" checkinTime="1659044149331" checkinUser="pensoft" docAuthor="Lee, Jimin, Chang, Cheon Young &amp; Kim, Il-Hoi" docDate="2022" docId="5F8C75B150B15CE28174ADE035194577" docLanguage="en" docName="ZooKeys 1115: 1-71" docOrigin="ZooKeys 1115" docPubDate="2022-07-28" docSource="http://dx.doi.org/10.3897/zookeys.1115.83266" docTitle="Caligus amblygenitalis Pillai 1961" docType="treatment" docVersion="1" id="1AB765B8065B5504A31014D2B0937E01" lastPageNumber="1" masterDocId="1AB765B8065B5504A31014D2B0937E01" masterDocTitle="Symbiotic copepods (Cyclopoida and Siphonostomatoida) collected by light trap from Korea" masterLastPageNumber="71" masterPageNumber="1" pageNumber="1" updateTime="1659044149331" updateUser="pensoft">
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<mods:title>Symbiotic copepods (Cyclopoida and Siphonostomatoida) collected by light trap from Korea</mods:title>
</mods:titleInfo>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lee, Jimin</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-9004-8275</mods:nameIdentifier>
<mods:affiliation>Marine Ecosystem and Biological Research Center, Korea Institute of Ocean Science &amp; Technology, Busan 49111, Republic of Korea</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Chang, Cheon Young</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5557-7120</mods:nameIdentifier>
<mods:affiliation>Department of Biological Science, Daegu University, Gyeongsan 38453, Republic of Korea</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kim, Il-Hoi</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7332-0043</mods:nameIdentifier>
<mods:affiliation>Korea Institute of Coastal Ecology, 302 - 802, Seokcheon-ro 397, Bucheon 14449, Republic of Korea</mods:affiliation>
<mods:nameIdentifier type="email">ihkim@gwnu.ac.kr</mods:nameIdentifier>
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<mods:date>2022</mods:date>
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<mods:number>2022-07-28</mods:number>
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<mods:detail type="volume">
<mods:number>1115</mods:number>
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<mods:start>1</mods:start>
<mods:end>71</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1115.83266</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1115.83266</mods:identifier>
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<treatment LSID="urn:lsid:plazi:treatment:5F8C75B150B15CE28174ADE035194577" httpUri="http://treatment.plazi.org/id/5F8C75B150B15CE28174ADE035194577" lastPageNumber="1" pageId="0" pageNumber="1">
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<paragraph pageId="0" pageNumber="1">
<taxonomicName LSID="5F8C75B1-50B1-5CE2-8174-ADE035194577" authority="Pillai, 1961" authorityName="Pillai" authorityYear="1961" class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus amblygenitalis" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">Caligus amblygenitalis Pillai, 1961</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">Figs 30</figureCitation>
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Caligus amblygenitalis Shiino, 1961, female A sternal furca B leg 2 C leg 3 D first exopodal segment of leg 3 E leg 4 F right genital area. Scale bars: 0.1 mm (A-C, E); 0.05 mm (D, F)." figureDoi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1">, 31</figureCitation>
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">, 32</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="reference_group">
<paragraph pageId="0" pageNumber="1">
<taxonomicName class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus amblygenigtalis" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenigtalis">Caligus amblygenigtalis</taxonomicName>
Pillai, 1961: 98, figs 8, 10; Ho and Lin, 2003: 56, figs 1, 2. 
<taxonomicName authorityName="Bassett-Smith" authorityYear="1898" class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus longipedis" order="Siphonostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="longipedis">Caligus longipedis</taxonomicName>
: Ho and Lin, 2001: 188, fig. 9 (male only).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="1">
Two 
<specimenCount>♀♀</specimenCount>
, 
<specimenCount type="male">5 ♂♂</specimenCount>
(MABIK CR00250989-CR00250995), Site 7, 
<date value="2019-11-21">21 Nov. 2019</date>
; 
<specimenCount type="male">1 ♂</specimenCount>
, Site 11, 
<date value="2019-06-10">10 Jun. 2019</date>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Female.</emphasis>
Body (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30A</figureCitation>
) 3.06 mm long. Cephalothoracic shield 1.66 
<normalizedToken originalValue="×">x</normalizedToken>
1.52 mm. Lunules distinct. Thoracic zone of cephalothorax distinctly extending beyond posterior ends of lateral zones. Genital complex longer than wide (619 
<normalizedToken originalValue="×">x</normalizedToken>
479 
<normalizedToken originalValue="μm">μm</normalizedToken>
), nearly rectangular, not clearly articulated from fourth pedigerous somite. Abdomen one-segmented, longer than wide (540 
<normalizedToken originalValue="×">x</normalizedToken>
330 
<normalizedToken originalValue="μm">μm</normalizedToken>
). Caudal ramus (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30B</figureCitation>
) 2.09 
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide (167 
<normalizedToken originalValue="×">x</normalizedToken>
80 
<normalizedToken originalValue="μm">μm</normalizedToken>
), with three large and three small setae; one of small setae located on ventral surface of ramus.
</paragraph>
<caption doi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1" start="Figure 30" startId="F30">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 30.</emphasis>
<taxonomicName authorityName="Pillai" authorityYear="1961" class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus amblygenitalis" order="Caligoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">
<emphasis italics="true" pageId="0" pageNumber="1">Caligus amblygenitalis</emphasis>
</taxonomicName>
Shiino, 1961, female 
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
habitus, dorsal 
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
caudal ramus, dorsal 
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
antennule 
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) 
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
maxilla 
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
maxilliped 
<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
leg 1. Scale bars: 0.5 mm (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
); 0.1 mm (
<emphasis bold="true" pageId="0" pageNumber="1">B, D-F</emphasis>
); 0.05 mm (
<emphasis bold="true" pageId="0" pageNumber="1">C, G</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
Antennule (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30C</figureCitation>
) two-segmented; proximal segment 220 
<normalizedToken originalValue="μm">μm</normalizedToken>
long, armed with 29 setae, two dorsal setae naked; distal segment 123 
<normalizedToken originalValue="μm">μm</normalizedToken>
long, armed with 12 naked setae and two aesthetascs. Antenna (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30D</figureCitation>
) three-segmented; first segment with narrow, pointed process; second segment unarmed, with adhesion pad on anterior surface; third segment bearing curved distal claw and one small seta on convex margin. Postantennary process (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30D</figureCitation>
) bluntly tipped, with two papillae each bearing unbranched setule; another setule-bearing papilla on sternum posterior to process.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Mandible with 12 teeth on distal blade. Maxillule (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30D</figureCitation>
) comprising anterior papilla bearing three setae and bluntly tipped posterior process. Post-maxillular process (indicated by arrowhead in Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30D</figureCitation>
) present postero-medial to maxillule. Maxilla (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30E</figureCitation>
) two-segmented; proximal segment unarmed; distal segment slender, bearing hyaline membrane at distal 38% region of segment and distally with short canna and long calamus; distal half of inner margin of distal segment with fine spinules. Maxilliped (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30F</figureCitation>
) slender, consisting of two segments and terminal claw; proximal segment proximally with sclerotized process; distal segment less than half length of proximal segment, unarmed; terminal claw short, proximally with one small seta. Sternal furca (Fig. 
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Caligus amblygenitalis Shiino, 1961, female A sternal furca B leg 2 C leg 3 D first exopodal segment of leg 3 E leg 4 F right genital area. Scale bars: 0.1 mm (A-C, E); 0.05 mm (D, F)." figureDoi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1">31A</figureCitation>
) with widely divergent, narrow tines.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Leg 1 (Fig. 
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Caligus amblygenitalis Shiino, 1961, female A habitus, dorsal B caudal ramus, dorsal C antennule D antenna, postantennary process, maxillule, and post-maxillular process (indicated by arrowhead) E maxilla F maxilliped G leg 1. Scale bars: 0.5 mm (A); 0.1 mm (B, D-F); 0.05 mm (C, G)." figureDoi="10.3897/zookeys.1115.83266.figure30" httpUri="https://binary.pensoft.net/fig/720750" pageId="0" pageNumber="1">30G</figureCitation>
) consisting of coxa, basis, two-segmented exopod and rudimentary endopod; basis with two setae (one outer and one medio-distal) and large patch of spinules on ventral surface; proximal exopodal segment with one small subdistal seta on outer margin; distal exopodal segment with three large, pinnate setae on medial margin, and four small, naked setal elements on distal margin, outer spines 1-3 each with accessory process. Leg 2 (Fig. 
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Caligus amblygenitalis Shiino, 1961, female A sternal furca B leg 2 C leg 3 D first exopodal segment of leg 3 E leg 4 F right genital area. Scale bars: 0.1 mm (A-C, E); 0.05 mm (D, F)." figureDoi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1">31B</figureCitation>
) as usual for the genus; armature formula I-1; I-1; II, I, 5 for exopod, 0-1; 0-2; 6 for endopod. Leg 3 as Fig. 
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Caligus amblygenitalis Shiino, 1961, female A sternal furca B leg 2 C leg 3 D first exopodal segment of leg 3 E leg 4 F right genital area. Scale bars: 0.1 mm (A-C, E); 0.05 mm (D, F)." figureDoi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1">31C, D</figureCitation>
. Leg 4 (Fig. 
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Caligus amblygenitalis Shiino, 1961, female A sternal furca B leg 2 C leg 3 D first exopodal segment of leg 3 E leg 4 F right genital area. Scale bars: 0.1 mm (A-C, E); 0.05 mm (D, F)." figureDoi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1">31E</figureCitation>
) consisting of protopod and two-segmented exopod; protopod with one small seta subdistally; proximal and distal segments of exopod armed with one and three spines, respectively. Leg 5 (Fig. 
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Caligus amblygenitalis Shiino, 1961, female A sternal furca B leg 2 C leg 3 D first exopodal segment of leg 3 E leg 4 F right genital area. Scale bars: 0.1 mm (A-C, E); 0.05 mm (D, F)." figureDoi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1">31F</figureCitation>
) represented by two papillae; outer and inner papillae tipped with one and two small setae, respectively.
</paragraph>
<caption doi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1" start="Figure 31" startId="F31">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 31.</emphasis>
<taxonomicName authorityName="Pillai" authorityYear="1961" class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus amblygenitalis" order="Caligoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">
<emphasis italics="true" pageId="0" pageNumber="1">Caligus amblygenitalis</emphasis>
</taxonomicName>
Shiino, 1961, female 
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
sternal furca 
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
leg 2 
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
leg 3 
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
first exopodal segment of leg 3 
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
leg 4 
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
right genital area. Scale bars: 0.1 mm (
<emphasis bold="true" pageId="0" pageNumber="1">A-C, E</emphasis>
); 0.05 mm (
<emphasis bold="true" pageId="0" pageNumber="1">D, F</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Male.</emphasis>
Body (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32A</figureCitation>
) 2.56 mm long. Urosome (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32B</figureCitation>
) indistinctly four-segmented. Fifth pedigerous somite (first urosomal somite) not clearly demarcated from genital complex. Genital complex rhomboidal, 424 
<normalizedToken originalValue="×">x</normalizedToken>
323 
<normalizedToken originalValue="μm">μm</normalizedToken>
. Abdomen indistinctly two-segmented; proximal somite 95 
<normalizedToken originalValue="×">x</normalizedToken>
195 
<normalizedToken originalValue="μm">μm</normalizedToken>
; distal somite 1.63 
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide (273 
<normalizedToken originalValue="×">x</normalizedToken>
168 
<normalizedToken originalValue="μm">μm</normalizedToken>
). Caudal ramus (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32C</figureCitation>
) straight backwards, 2.39 
<normalizedToken originalValue="×">x</normalizedToken>
longer than wide (136 
<normalizedToken originalValue="×">x</normalizedToken>
57 
<normalizedToken originalValue="μm">μm</normalizedToken>
).
</paragraph>
<caption doi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1" start="Figure 32" startId="F32">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 32.</emphasis>
<taxonomicName authorityName="Pillai" authorityYear="1961" class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus amblygenitalis" order="Caligoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">
<emphasis italics="true" pageId="0" pageNumber="1">Caligus amblygenitalis</emphasis>
</taxonomicName>
Shiino, 1961, male 
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
habitus, dorsal 
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
urosome, dorsal 
<emphasis bold="true" pageId="0" pageNumber="1">C</emphasis>
caudal ramus, ventral 
<emphasis bold="true" pageId="0" pageNumber="1">D</emphasis>
antennule 
<emphasis bold="true" pageId="0" pageNumber="1">E</emphasis>
antenna 
<emphasis bold="true" pageId="0" pageNumber="1">F</emphasis>
maxilliped 
<emphasis bold="true" pageId="0" pageNumber="1">G</emphasis>
sternal furca 
<emphasis bold="true" pageId="0" pageNumber="1">H</emphasis>
leg 1 
<emphasis bold="true" pageId="0" pageNumber="1">I</emphasis>
distal region of leg 1 exopod 
<emphasis bold="true" pageId="0" pageNumber="1">J</emphasis>
legs 5 and 6. Scale bars: 0.5 mm (
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
); 0.1 mm (
<emphasis bold="true" pageId="0" pageNumber="1">B, F</emphasis>
); 0.05 mm (
<emphasis bold="true" pageId="0" pageNumber="1">C-E, G, H, J</emphasis>
); 0.02 mm (
<emphasis bold="true" pageId="0" pageNumber="1">I</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
Antennule (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32D</figureCitation>
) armed as in female; proximal segment 172 
<normalizedToken originalValue="μm">μm</normalizedToken>
long; distal segment elongated, 184 
<normalizedToken originalValue="μm">μm</normalizedToken>
long, longer than proximal segment. Antenna (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32E</figureCitation>
) three-segmented; first segment with one corrugated pad; second segment with several corrugated pads; short third segment with one claw-like process, one leaf-like plate and one seta. Postantennary process acutely pointed, larger than that of female. Maxilliped (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32F</figureCitation>
) with blunt protrusion tipped with corrugated pad on inner margin. Sternal furca (Fig. 
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Caligus amblygenitalis Shiino, 1961, female A sternal furca B leg 2 C leg 3 D first exopodal segment of leg 3 E leg 4 F right genital area. Scale bars: 0.1 mm (A-C, E); 0.05 mm (D, F)." figureDoi="10.3897/zookeys.1115.83266.figure31" httpUri="https://binary.pensoft.net/fig/720751" pageId="0" pageNumber="1">31G</figureCitation>
) with more slender tines than in female.
</paragraph>
<paragraph pageId="0" pageNumber="1">
Leg 1 (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32H</figureCitation>
) different from that of female in absence of spinules on basis, elongate first exopodal segment, and the lack of an accessory process on outer distal spine 1 (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32I</figureCitation>
). Legs 2-4 as in female. Leg 5 (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32J</figureCitation>
) as in female. Leg 6 (Fig. 
<figureCitation captionStart="Figure 32" captionStartId="F32" captionText="Figure 32. Caligus amblygenitalis Shiino, 1961, male A habitus, dorsal B urosome, dorsal C caudal ramus, ventral D antennule E antenna F maxilliped G sternal furca H leg 1 I distal region of leg 1 exopod J legs 5 and 6. Scale bars: 0.5 mm (A); 0.1 mm (B, F); 0.05 mm (C-E, G, H, J); 0.02 mm (I)." figureDoi="10.3897/zookeys.1115.83266.figure32" httpUri="https://binary.pensoft.net/fig/720752" pageId="0" pageNumber="1">32J</figureCitation>
) represented by two small setae on genital operculum.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="remarks">
<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="1">
<taxonomicName authorityName="Pillai" authorityYear="1961" class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus amblygenitalis" order="Caligoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">
<emphasis italics="true" pageId="0" pageNumber="1">Caligus amblygenitalis</emphasis>
</taxonomicName>
was originally described by 
<bibRefCitation author="Pillai, NK" journalOrPublisher="University of Kerala" pageId="0" pageNumber="1" pagination="87 - 130" refId="B47" refString="Pillai, NK, 1961. Copepods parasitic on South Indian fishes. Part. 1, Caligidae. Bulletin of the Research Institute. University of Kerala 8: 87 - 130" title="Copepods parasitic on South Indian fishes. Part. 1, Caligidae. Bulletin of the Research Institute." volume="8" year="1961">Pillai (1961)</bibRefCitation>
on the basis of a single female specimen from India. Subsequently, 
<bibRefCitation author="Ho, J-S" journalOrPublisher="Taiwan Shuichanxue Hui Kan" pageId="0" pageNumber="1" pagination="55 - 70" refId="B19" refString="Ho, J-S, Lin, C-L, 2003. Three species of Caligus (Copepoda: Caligidae) parasitic on fishes of the northeast coast of Taiwan. Taiwan Shuichanxue Hui Kan 30 (1): 55 - 70" title="Three species of Caligus (Copepoda: Caligidae) parasitic on fishes of the northeast coast of Taiwan." volume="30" year="2003">Ho and Lin (2003)</bibRefCitation>
redescribed this species based on a single female from Taiwan. Previously, 
<bibRefCitation author="Ho, J-S" journalOrPublisher="Taiwan Shuichanxue Hui Kan" pageId="0" pageNumber="1" pagination="177 - 201" refId="B18" refString="Ho, J-S, Lin, C-L, 2001. Sea lice (Copepoda, Caligidae) parasitic on carangid fishes of Taiwan. Taiwan Shuichanxue Hui Kan 28 (3): 177 - 201" title="Sea lice (Copepoda, Caligidae) parasitic on carangid fishes of Taiwan." volume="28" year="2001">Ho and Lin (2001)</bibRefCitation>
recorded one female and one male of 
<taxonomicName class="Copepoda" genus="C." higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. longipedis" order="Poecilostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="longipedis">
<emphasis italics="true" pageId="0" pageNumber="1">C. longipedis</emphasis>
</taxonomicName>
Bassett-Smith, 1898 from Taiwan. However, when 
<bibRefCitation author="Venmathi Maran, BA" journalOrPublisher="Zoological Studies" pageId="0" pageNumber="1" pagination="797 - 807" refId="B58" refString="Venmathi Maran, BA, Seng Ohtsuka, S, Nagasawa, K, 2009. Records of Caligus (Crustacea: Copepoda: Caligidae) from marine fish cultured in floating cages in Malaysia with a redescription of the male of Caligus longipedis Bassett-Smith, 1898. Zoological Studies 48 (6): 797 - 807" title="Records of Caligus (Crustacea: Copepoda: Caligidae) from marine fish cultured in floating cages in Malaysia with a redescription of the male of Caligus longipedis Bassett-Smith, 1898." volume="48" year="2009">Venmathi Maran et al. (2009)</bibRefCitation>
redescribed the latter species based on females and males from Penang, Malaysia, they found that the female and the male of 
<bibRefCitation author="Ho, J-S" journalOrPublisher="Taiwan Shuichanxue Hui Kan" pageId="0" pageNumber="1" pagination="177 - 201" refId="B18" refString="Ho, J-S, Lin, C-L, 2001. Sea lice (Copepoda, Caligidae) parasitic on carangid fishes of Taiwan. Taiwan Shuichanxue Hui Kan 28 (3): 177 - 201" title="Sea lice (Copepoda, Caligidae) parasitic on carangid fishes of Taiwan." volume="28" year="2001">Ho and Lin (2001)</bibRefCitation>
were not conspecific. A comparison of our Korean material with the above records indicates that the male of 
<bibRefCitation author="Ho, J-S" journalOrPublisher="Taiwan Shuichanxue Hui Kan" pageId="0" pageNumber="1" pagination="177 - 201" refId="B18" refString="Ho, J-S, Lin, C-L, 2001. Sea lice (Copepoda, Caligidae) parasitic on carangid fishes of Taiwan. Taiwan Shuichanxue Hui Kan 28 (3): 177 - 201" title="Sea lice (Copepoda, Caligidae) parasitic on carangid fishes of Taiwan." volume="28" year="2001">Ho and Lin (2001)</bibRefCitation>
is not 
<taxonomicName class="Copepoda" genus="C." higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. longipedis" order="Poecilostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="longipedis">
<emphasis italics="true" pageId="0" pageNumber="1">C. longipedis</emphasis>
</taxonomicName>
but 
<taxonomicName class="Copepoda" genus="C." higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. amblygenitalis" order="Poecilostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">
<emphasis italics="true" pageId="0" pageNumber="1">C. amblygenitalis</emphasis>
</taxonomicName>
. Our female specimens collected by a light trap from Korea are identifiable as young adults, since they are ~ 3.0 mm long, compared to 4.14 mm long in the female of 
<bibRefCitation author="Ho, J-S" journalOrPublisher="Taiwan Shuichanxue Hui Kan" pageId="0" pageNumber="1" pagination="55 - 70" refId="B19" refString="Ho, J-S, Lin, C-L, 2003. Three species of Caligus (Copepoda: Caligidae) parasitic on fishes of the northeast coast of Taiwan. Taiwan Shuichanxue Hui Kan 30 (1): 55 - 70" title="Three species of Caligus (Copepoda: Caligidae) parasitic on fishes of the northeast coast of Taiwan." volume="30" year="2003">Ho and Lin (2003)</bibRefCitation>
, and the female genital complex is immature. 
<taxonomicName authorityName="Pillai" authorityYear="1961" class="Hexanauplia" family="Caligidae" genus="Caligus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caligus amblygenitalis" order="Caligoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">
<emphasis italics="true" pageId="0" pageNumber="1">Caligus amblygenitalis</emphasis>
</taxonomicName>
is new to the Korean fauna. Both 
<taxonomicName class="Copepoda" genus="C." higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. amblygenitalis" order="Poecilostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="amblygenitalis">
<emphasis italics="true" pageId="0" pageNumber="1">C. amblygenitalis</emphasis>
</taxonomicName>
and 
<taxonomicName class="Copepoda" genus="C." higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. longipedis" order="Poecilostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="longipedis">
<emphasis italics="true" pageId="0" pageNumber="1">C. longipedis</emphasis>
</taxonomicName>
belong to the &quot; 
<taxonomicName class="Copepoda" genus="C." higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="C. macarovi" order="Poecilostomatoida" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="macarovi">
<emphasis italics="true" pageId="0" pageNumber="1">C. macarovi</emphasis>
</taxonomicName>
-group&quot; defined by 
<bibRefCitation DOI="https://doi.org/10.11646/zootaxa.4398.1.1" author="Boxshall, G" journalOrPublisher="Zootaxa" pageId="0" pageNumber="1" pagination="1 - 172" refId="B4" refString="Boxshall, G, 2018. The sea lice (Copepoda: Caligidae) of Moreton Bay (Queensland, Australia), with descriptions of thirteen new species. Zootaxa 4398 (1): 1 - 172, DOI: https://doi.org/10.11646/zootaxa.4398.1.1" title="The sea lice (Copepoda: Caligidae) of Moreton Bay (Queensland, Australia), with descriptions of thirteen new species." url="https://doi.org/10.11646/zootaxa.4398.1.1" volume="4398" year="2018">Boxshall (2018)</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>