426 lines
73 KiB
XML
426 lines
73 KiB
XML
<document id="B7E425C5976F8D12CEDEA2390E6ECCA1" ID-CLB-Dataset="299607" ID-DOI="10.11646/zootaxa.5476.1.7" ID-GBIF-Dataset="c034f14d-3b07-4426-af34-e40287e6e574" ID-ISSN="1175-5326" ID-Zenodo-Dep="12681818" ID-ZooBank="0FF77424-E93C-46E4-8D09-4BB50797B312" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="karina" checkinTime="1720376169660" checkinUser="plazi" docAuthor="Chow, Lai Him, Chan, Jeffery C. F. & Tsang, Ling Ming" docDate="2024" docId="038A87FDFF88AC24F49A2D4DFDB3FE45" docLanguage="en" docName="zootaxa.5476.1.7.pdf" docOrigin="Zootaxa 5476 (1)" docSource="http://dx.doi.org/10.11646/zootaxa.5476.1.7" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Caridina ngankeeae Chow, Chan & Tsang, 2024, sp. nov." docType="treatment" docVersion="6" lastPageNumber="49" masterDocId="FFB3FF85FF89AC22F40D295CFFA9FFCC" masterDocTitle="Caridina ngankeeae sp. nov., a new species of freshwater shrimp (Decapoda: Caridea: Atyidae) from Hong Kong" masterLastPageNumber="50" masterPageNumber="44" pageNumber="45" updateTime="1720808093319" updateUser="karina" zenodo-license-document="CLOSED">
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<mods:titleInfo id="5F860483F10F898B24C8A9D4990A2B1F">
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<mods:title id="087A46F23CB7ACE0AB6696EE417A953C">Caridina ngankeeae sp. nov., a new species of freshwater shrimp (Decapoda: Caridea: Atyidae) from Hong Kong</mods:title>
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<mods:name id="850D1E03DDF6188C4A6BF63939CAA1F3" type="personal">
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<mods:roleTerm id="758C446F0C3C6242481FD18271C056D7">Author</mods:roleTerm>
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<mods:namePart id="9B418ABE3BE635509730D516859F81F7">Chow, Lai Him</mods:namePart>
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<mods:affiliation id="B5CB32358E5B182F69DF1E232B828A29">Independent Researcher, Hong Kong SAR, China.</mods:affiliation>
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<mods:namePart id="73B9DFAA47099004119764740FD988A7">Chan, Jeffery C. F.</mods:namePart>
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<mods:affiliation id="8135CF2EC7A098C172150B61980ECDD4">School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China. & Science Unit, Lingnan University, Tuen Mun, Hong Kong SAR, China.</mods:affiliation>
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<mods:namePart id="2BDFF73EDE8B56C2CFFF14624ED1AD4E">Tsang, Ling Ming</mods:namePart>
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<mods:affiliation id="F752E7FD1DE85EC0D5CAEB45D39BB441">Simon F. S. Li Marine Science Laboratory, School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.</mods:affiliation>
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<mods:title id="1F100DEBF21F9AD9C6197E4F79CC56BA">Zootaxa</mods:title>
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<mods:date id="7155F0A5E187C4A3024B2285DA5A939F">2024</mods:date>
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<mods:number id="18B6706F6905958C54E6E5EF46972589">2024-07-04</mods:number>
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<treatment id="038A87FDFF88AC24F49A2D4DFDB3FE45" ID-DOI="http://doi.org/10.5281/zenodo.12681528" ID-GBIF-Taxon="234746934" ID-Zenodo-Dep="12681528" LSID="urn:lsid:plazi:treatment:038A87FDFF88AC24F49A2D4DFDB3FE45" httpUri="http://treatment.plazi.org/id/038A87FDFF88AC24F49A2D4DFDB3FE45" lastPageId="6" lastPageNumber="49" pageId="1" pageNumber="45">
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<subSubSection id="C3396560FF88AC23F49A2D4DFE58FBE0" box="[151,497,1041,1068]" pageId="1" pageNumber="45" type="nomenclature">
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<paragraph id="8B9C36EBFF88AC23F49A2D4DFE58FBE0" blockId="1.[151,497,1041,1104]" box="[151,497,1041,1068]" pageId="1" pageNumber="45">
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<heading id="D0D48187FF88AC23F49A2D4DFE58FBE0" bold="true" box="[151,497,1041,1068]" fontSize="11" level="1" pageId="1" pageNumber="45" reason="1">
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<emphasis id="B957EAF9FF88AC23F49A2D4DFE58FBE0" bold="true" box="[151,497,1041,1068]" pageId="1" pageNumber="45">
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<taxonomicName id="4C234D68FF88AC23F49A2D4DFE25FBE0" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[151,396,1041,1068]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="1" pageNumber="45" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
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<emphasis id="B957EAF9FF88AC23F49A2D4DFE25FBE0" bold="true" box="[151,396,1041,1068]" italics="true" pageId="1" pageNumber="45">Caridina ngankeeae</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A2645782FF88AC23F5992D4EFE58FBE0" box="[404,497,1042,1068]" pageId="1" pageNumber="45" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<subSubSection id="C3396560FF88AC23F49A2D6AFEBBFB9C" box="[151,274,1078,1104]" pageId="1" pageNumber="45" type="description">
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<paragraph id="8B9C36EBFF88AC23F49A2D6AFEBBFB9C" blockId="1.[151,497,1041,1104]" box="[151,274,1078,1104]" pageId="1" pageNumber="45">
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(
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<figureCitation id="13182A6EFF88AC23F4922D6AFEA3FB9C" box="[159,266,1078,1104]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStartId-0="2.[151,250,1839,1863]" captionStartId-1="3.[151,250,1837,1861]" captionStartId-2="4.[151,250,575,599]" captionTargetBox-0="[159,1428,189,1815]" captionTargetBox-1="[161,1433,185,1809]" captionTargetBox-2="[151,1436,181,551]" captionTargetId-0="figure-19@2.[151,1436,181,1815]" captionTargetId-1="figure-26@3.[151,1436,181,1813]" captionTargetId-2="figure-19@4.[151,1436,181,551]" captionTargetPageId-0="2" captionTargetPageId-1="3" captionTargetPageId-2="4" captionText-0="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." captionText-1="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." captionText-2="FIGURE 4. Life colouration of Caridina ngankeeae sp. nov.: A, habitus; B, dorsal view. Photographs by Lai Him Chow." figureDoi-0="http://doi.org/10.5281/zenodo.12681822" figureDoi-1="http://doi.org/10.5281/zenodo.12681824" figureDoi-2="http://doi.org/10.5281/zenodo.12681826" httpUri-0="https://zenodo.org/record/12681822/files/figure.png" httpUri-1="https://zenodo.org/record/12681824/files/figure.png" httpUri-2="https://zenodo.org/record/12681826/files/figure.png" pageId="1" pageNumber="45">Figs. 2–4</figureCitation>
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)
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C3396560FF88AC23F49A2D22FADFFB2C" pageId="1" pageNumber="45" type="materials_examined">
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<paragraph id="8B9C36EBFF88AC23F49A2D22FADFFB2C" blockId="1.[151,1437,1149,2040]" pageId="1" pageNumber="45">
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<emphasis id="B957EAF9FF88AC23F49A2D22FEE1FB5B" bold="true" box="[151,328,1149,1176]" pageId="1" pageNumber="45">Type material.</emphasis>
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<materialsCitation id="3B4B3CB6FF88AC23F55F2D22FAB0FB70" ID-GBIF-Occurrence="4903576302" collectingDate="2021-11-30" collectorName="J. C. F. Chan" country="Hong Kong" location="northern New Territories" pageId="1" pageNumber="45" specimenCount="1" typeStatus="holotype">
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<emphasis id="B957EAF9FF88AC23F55F2D22FE10FB54" box="[338,441,1150,1176]" italics="true" pageId="1" pageNumber="45">
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<typeStatus id="54988849FF88AC23F55F2D22FE10FB54" box="[338,441,1150,1176]" pageId="1" pageNumber="45" type="holotype">Holotype</typeStatus>
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</emphasis>
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: CUHK-LMT-CAR408-4, male (pocl 3.0 mm),
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<location id="8EFC6030FF88AC23F7E42D22FAAEFB54" LSID="urn:lsid:plazi:treatment:038A87FDFF88AC24F49A2D4DFDB3FE45:8EFC6030FF88AC23F7E42D22FAAEFB54" box="[1001,1287,1150,1176]" country="Hong Kong" name="northern New Territories" pageId="1" pageNumber="45">northern New Territories</location>
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,
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<collectingCountry id="F334767BFF88AC23F11B2D22FA35FB54" box="[1302,1436,1150,1176]" name="Hong Kong" pageId="1" pageNumber="45">Hong Kong</collectingCountry>
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(exact location stored with type material to protect the natural population), leg.
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<collectorName id="26D6533DFF88AC23F0052DFEFB25FB70" box="[1032,1164,1186,1212]" pageId="1" pageNumber="45">J.C.F. Chan</collectorName>
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,
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<date id="FF9D102BFF88AC23F09B2DFEFAB0FB70" box="[1174,1305,1186,1212]" pageId="1" pageNumber="45" value="2021-11-30">
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||
<collectingDate id="EFD9E9C3FF88AC23F09B2DFEFAB0FB70" box="[1174,1305,1186,1212]" pageId="1" pageNumber="45" value="2021-11-30">30.XI.2021</collectingDate>
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</date>
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</materialsCitation>
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.
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<materialsCitation id="3B4B3CB6FF88AC23F12E2DFEFADAFB2C" ID-GBIF-Occurrence="4903576301" collectingDate="2021-11-30" collectorName="J. C. F. Chan" country="Hong Kong" location="northern New Territories" pageId="1" pageNumber="45" specimenCount="11" specimenCount-female="10" specimenCount-male="1" typeStatus="paratype">
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<emphasis id="B957EAF9FF88AC23F12E2DFEFA3CFB77" box="[1315,1429,1186,1211]" italics="true" pageId="1" pageNumber="45">
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<typeStatus id="54988849FF88AC23F12E2DFEFA3CFB77" box="[1315,1429,1186,1211]" pageId="1" pageNumber="45" type="paratype">Paratypes</typeStatus>
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</emphasis>
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: CUHK-LMT-CAR408,
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<specimenCount id="9D25FD62FF88AC23F5AE2D9AFE47FB2C" box="[419,494,1222,1248]" count="1" pageId="1" pageNumber="45" type="male">1 male</specimenCount>
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(pocl
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<quantity id="4CDB9B0EFF88AC23F63B2D99FD39FB2C" box="[566,656,1221,1248]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="1" pageNumber="45" unit="mm" value="2.5">2.5 mm</quantity>
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),
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<specimenCount id="9D25FD62FF88AC23F6AE2D9AFCB4FB2C" box="[675,797,1222,1248]" count="10" pageId="1" pageNumber="45" type="female">10 females</specimenCount>
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(pocl
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<quantity id="4CDB9B0EFF88AC23F7682D9AFC59FB2C" box="[869,1008,1222,1248]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" metricValueMax="3.6" metricValueMin="2.8" pageId="1" pageNumber="45" unit="mm" value="3.2" valueMax="3.6" valueMin="2.8">2.8–3.6 mm</quantity>
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), same collection data as holotype
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C3396560FF88AC26F4CA2DB5FA2AFAEB" lastPageId="4" lastPageNumber="48" pageId="1" pageNumber="45" type="description">
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<paragraph id="8B9C36EBFF88AC23F4CA2DB5FC6BF9CC" blockId="1.[151,1437,1149,2040]" pageId="1" pageNumber="45">
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<emphasis id="B957EAF9FF88AC23F4CA2DB5FEF0FACF" bold="true" box="[199,345,1257,1283]" pageId="1" pageNumber="45">Description.</emphasis>
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Rostrum (
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<figureCitation id="13182A6EFF88AC23F5DC2DB6FD83FAC8" box="[465,554,1258,1284]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2A</figureCitation>
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) straight, slightly directed downwards, tip slightly directed upwards, reaching to end of basal article to slightly beyond end of second article of antennular peduncle, 0.35–0.50 × pocl; rostral formula 5–6 + 6–11/2–5, teeth large on dorsal margin, small on ventral margin. Inferior orbital angle fused with antennal spine. Pterygostomial angle rounded, subrectangular, slightly produced forward. Eyes well developed, with globular cornea. Antennular peduncle 0.5–0.6 × pocl, basal article 2.2–2.4 × as long as second article, second article 1.3–1.4 × as long as third article. Stylocerite usually reaching to end of basal article of antennular peduncle, rarely slightly exceeding beyond viz. 0.2 length of second article, or slightly falling short of basal article viz. 0.9 length of basal article. Scaphocerite (
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<figureCitation id="13182A6EFF88AC23F63A2CBAFD24F9CC" box="[567,653,1510,1536]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2B</figureCitation>
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) 2.8–3.0 × as long as wide.
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</paragraph>
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<paragraph id="8B9C36EBFF88AC23F4CA2F56FB07F978" blockId="1.[151,1437,1149,2040]" pageId="1" pageNumber="45">
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Sixth abdominal somite 0.4–0.5 × pocl, 0.8–0.9 × as long as telson. Telson (
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<figureCitation id="13182A6EFF88AC23F7F62F56FBE7F9E8" box="[1019,1102,1546,1572]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2C</figureCitation>
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) 2.2–2.6 × as long as proximal wide, with 4 pairs of short spiniform setae dorsal and one pair of short spiniform setae dorsolateral, posterior margin (
|
||
<figureCitation id="13182A6EFF88AC23F4922F0EFF51F9A0" box="[159,248,1618,1644]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2D</figureCitation>
|
||
) convex with a median projection and 4 or 5 pairs of spiniform setae, sublateral pair slightly shorter than lateral and inner pairs. Pre-anal carina (
|
||
<figureCitation id="13182A6EFF88AC23F6442F2AFD35F95C" box="[585,668,1654,1680]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2E</figureCitation>
|
||
) rounded, without spine, with few setae. Uropodal diaeresis (
|
||
<figureCitation id="13182A6EFF88AC23F14F2F2AFA3DF95C" box="[1346,1428,1654,1680]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2F</figureCitation>
|
||
) with 18–22 movable spiniform setae, outermost ones conspicuously longer than lateral angle.
|
||
</paragraph>
|
||
<paragraph id="8B9C36EBFF88AC23F4CA2FE2FD40F87C" blockId="1.[151,1437,1149,2040]" pageId="1" pageNumber="45">
|
||
Mandible (
|
||
<figureCitation id="13182A6EFF88AC23F5492FE2FE37F914" box="[324,414,1726,1752]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2G</figureCitation>
|
||
) with incisor process ending in irregular teeth; molar process truncated, grinding surface grooved. Maxillule (
|
||
<figureCitation id="13182A6EFF88AC23F5732FBEFE7CF930" box="[382,469,1762,1788]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2H</figureCitation>
|
||
) with lower lacinia broadly rounded; upper lacinia elongate, with numerous cuspidate setae on inner margin; palp with few simple setae. Maxilla (
|
||
<figureCitation id="13182A6EFF88AC23F74B2E5AFC3DF8EC" box="[838,916,1798,1824]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2I</figureCitation>
|
||
) with upper endites subdivided; palp slender; scaphognathite tapering posteriorly. First maxilliped (
|
||
<figureCitation id="13182A6EFF88AC23F7192E76FCC3F888" box="[788,874,1834,1860]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2J</figureCitation>
|
||
) with palp ending in short projection. Second maxilliped (
|
||
<figureCitation id="13182A6EFF88AC23F5122E12FED1F8A4" box="[287,376,1870,1896]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2K</figureCitation>
|
||
) with well-developed podobranch. Third maxilliped (
|
||
<figureCitation id="13182A6EFF88AC23F7DB2E12FB82F8A4" box="[982,1067,1870,1896]" captionStart="FIGURE 2" captionStartId="2.[151,250,1839,1863]" captionTargetBox="[159,1428,189,1815]" captionTargetId="figure-19@2.[151,1436,181,1815]" captionTargetPageId="2" captionText="FIGURE 2. Caridina ngankeeae sp. nov.: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm." figureDoi="http://doi.org/10.5281/zenodo.12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="1" pageNumber="45">Fig. 2L</figureCitation>
|
||
) with 2 arthrobranches, ultimate article subequal to penultimate. First pereiopod with arthrobranch. Pleurobranchs present on all pereiopods. Epipods present on third maxilliped and first four pereiopods.
|
||
</paragraph>
|
||
<paragraph id="8B9C36EBFF88AC26F4CA2EE6FEA8FB83" blockId="1.[151,1437,1149,2040]" lastBlockId="4.[151,1437,645,2040]" lastPageId="4" lastPageNumber="48" pageId="1" pageNumber="45">
|
||
First pereiopod (
|
||
<figureCitation id="13182A6EFF88AC23F5732EE6FE7CF818" box="[382,469,1978,2004]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="1" pageNumber="45">Fig. 3A</figureCitation>
|
||
) chela 1.85–2.05 × as long as wide, 1.5–1.7 × as long as carpus; tips of fingers rounded, without hooks, fingers 0.8–0.9 × as long as palm; carpus strongly excavated distally, 1.2–1.4 × as long as wide, 0.9–1.0 × as long as merus; merus 2.1–2.6 × as long as wide, longer than ischium. Second pereiopod (
|
||
<figureCitation id="13182A6EFF8DAC26F0F32BD9FAFAFD53" box="[1278,1363,645,671]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="4" pageNumber="48">Fig. 3B</figureCitation>
|
||
) chela 2.20–2.45 × as long as wide, 0.75–0.85 × as long as carpus; tips of fingers rounded, without hooks, fingers 1.4–1.6 × as long as palm; carpus 4.4–4.9 × as long as wide, 1.05–1.15 × as long as merus; merus 3.65–4.65 × as long as wide, longer than ischium. Third pereiopod (
|
||
<figureCitation id="13182A6EFF8DAC26F6802BADFD4AFCC7" box="[653,739,753,779]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="4" pageNumber="48">Fig. 3C</figureCitation>
|
||
) slender, not sexually dimorphic; dactylus (
|
||
<figureCitation id="13182A6EFF8DAC26F0C22BADFA8EFCC7" box="[1231,1319,753,779]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="4" pageNumber="48">Fig. 3D</figureCitation>
|
||
) with 4 or 5 accessory spiniform setae on flexor margin, 2.65–3.20 × as long as wide (terminal claw and accessory spiniform setae included); propodus 7.85–9.15 × as long as wide, 3.6–3.9 × as long as dactylus; carpus 4.05–4.45 × as long as wide, 0.65–0.70 × as long as propodus, about 0.5 × as long as merus; merus 5.2–6.2 × as long as wide, bearing 3 or 4 strong spiniform setae on posterior margin of outer surface; ischium with strong spiniform seta. Fifth pereiopod (
|
||
<figureCitation id="13182A6EFF8DAC26F4922AF9FF5CFC73" box="[159,245,933,959]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="4" pageNumber="48">Fig. 3E</figureCitation>
|
||
) slender; dactylus (
|
||
<figureCitation id="13182A6EFF8DAC26F5D82AF9FD83FC73" box="[469,554,933,959]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="4" pageNumber="48">Fig. 3F</figureCitation>
|
||
) with 32–43 spinuliform setae on flexor margin, 2.85–3.55 × as long as wide (terminal claw and accessory spinuliform setae included); propodus 9.25–10.70 × as long as wide, 2.90–3.35 × as long as dactylus; carpus 4.30–4.65 × as long as wide, 0.5–0.6 × as long as propodus, about 0.65 × as long as merus; merus 5.0–6.2 × as long as wide, bearing 2 or 3 strong spiniform setae on posterior margin of outer surface; ischium unarmed.
|
||
</paragraph>
|
||
<caption id="DF5C6663FF8BAC20F49A2E73FBFEF87F" ID-DOI="http://doi.org/10.5281/zenodo.12681822" ID-Zenodo-Dep="12681822" httpUri="https://zenodo.org/record/12681822/files/figure.png" pageId="2" pageNumber="46" startId="2.[151,250,1839,1863]" targetBox="[159,1428,189,1815]" targetPageId="2" targetType="figure">
|
||
<paragraph id="8B9C36EBFF8BAC20F49A2E73FBFEF87F" blockId="2.[151,1437,1839,1971]" pageId="2" pageNumber="46">
|
||
<emphasis id="B957EAF9FF8BAC20F49A2E73FEBAF88B" bold="true" box="[151,275,1839,1863]" pageId="2" pageNumber="46">FIGURE 2.</emphasis>
|
||
<taxonomicName id="4C234D68FF8BAC20F5142E73FE4FF88B" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[281,486,1839,1863]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="2" pageNumber="46" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8BAC20F5142E73FE4FF88B" box="[281,486,1839,1863]" italics="true" pageId="2" pageNumber="46">Caridina ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8BAC20F5E12E73FD95F88B" bold="true" box="[492,572,1839,1863]" pageId="2" pageNumber="46">
|
||
<taxonomicNameLabel id="A2645782FF8BAC20F5E12E73FD95F88B" box="[492,572,1839,1863]" pageId="2" pageNumber="46" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
: A–F, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4); G–L, paratype female, pocl 3.6 mm (CUHK-LMT-CAR408-1). A, cephalothorax, lateral view; B, scaphocerite; C, telson; D, same, distal margin; E, pre-anal carina; F, uropodal diaeresis; G, mandible; H, maxillule; I, maxilla; J, first maxilliped; K, second maxilliped; L, third maxilliped. Scale bar: A = 1.8 mm; B, C = 1 mm; G–L = 0.8 mm; D, F = 0.4 mm; E = 0.3 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF5C6663FF8AAC21F49A2E71FC4CF841" ID-DOI="http://doi.org/10.5281/zenodo.12681824" ID-Zenodo-Dep="12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="3" pageNumber="47" startId="3.[151,250,1837,1861]" targetBox="[161,1433,185,1809]" targetPageId="3" targetType="figure">
|
||
<paragraph id="8B9C36EBFF8AAC21F49A2E71FC4CF841" blockId="3.[151,1436,1837,1933]" pageId="3" pageNumber="47">
|
||
<emphasis id="B957EAF9FF8AAC21F49A2E71FEA5F889" bold="true" box="[151,268,1837,1861]" pageId="3" pageNumber="47">FIGURE 3</emphasis>
|
||
.
|
||
<taxonomicName id="4C234D68FF8AAC21F5152E71FE4CF889" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[280,485,1837,1861]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="3" pageNumber="47" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8AAC21F5152E71FE4CF889" box="[280,485,1837,1861]" italics="true" pageId="3" pageNumber="47">Caridina ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8AAC21F5E72E71FD93F889" bold="true" box="[490,570,1837,1861]" pageId="3" pageNumber="47">
|
||
<taxonomicNameLabel id="A2645782FF8AAC21F5E72E71FD93F889" box="[490,570,1837,1861]" pageId="3" pageNumber="47" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4). A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF5C6663FF8DAC26F49A2B63FAC1FD9B" ID-DOI="http://doi.org/10.5281/zenodo.12681826" ID-Zenodo-Dep="12681826" box="[151,1384,575,599]" httpUri="https://zenodo.org/record/12681826/files/figure.png" pageId="4" pageNumber="48" startId="4.[151,250,575,599]" targetBox="[151,1436,181,551]" targetPageId="4" targetType="figure">
|
||
<paragraph id="8B9C36EBFF8DAC26F49A2B63FAC1FD9B" blockId="4.[151,1384,575,599]" box="[151,1384,575,599]" pageId="4" pageNumber="48">
|
||
<emphasis id="B957EAF9FF8DAC26F49A2B63FEA4FD9B" bold="true" box="[151,269,575,599]" pageId="4" pageNumber="48">FIGURE 4</emphasis>
|
||
. Life colouration of
|
||
<taxonomicName id="4C234D68FF8DAC26F5D22B63FD04FD9B" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[479,685,575,599]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="48" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8DAC26F5D22B63FD04FD9B" box="[479,685,575,599]" italics="true" pageId="4" pageNumber="48">Caridina ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8DAC26F6B92B63FCADFD9B" bold="true" box="[692,772,575,599]" pageId="4" pageNumber="48">
|
||
<taxonomicNameLabel id="A2645782FF8DAC26F6B92B63FCADFD9B" box="[692,772,575,599]" pageId="4" pageNumber="48" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
: A, habitus; B, dorsal view. Photographs by Lai Him Chow.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8B9C36EBFF8DAC26F4CA2D05FA2AFAEB" blockId="4.[151,1437,645,2040]" pageId="4" pageNumber="48">
|
||
Endopod of male first pleopod (
|
||
<figureCitation id="13182A6EFF8DAC26F6332D05FD31FBBF" box="[574,664,1113,1139]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="4" pageNumber="48">Fig. 3G</figureCitation>
|
||
) subtriangular, inner margin almost straight, outer margin convex, 2.4–2.5 × as long as basal wide, anterior region not or just feebly bent backwards, 0.60–0.65 × as long as exopod; appendix interna arising from about 0.7 of endopod, reaching beyond distal margin of endopod by 0.25–0.35 of its length. Appendix masculina of male second pleopod (
|
||
<figureCitation id="13182A6EFF8DAC26F6F02D99FCFFFB13" box="[765,854,1221,1247]" captionStart="FIGURE 3" captionStartId="3.[151,250,1837,1861]" captionTargetBox="[161,1433,185,1809]" captionTargetId="figure-26@3.[151,1436,181,1813]" captionTargetPageId="3" captionText="FIGURE 3. Caridina ngankeeae sp. nov., holotype male, pocl 3.0 mm (CUHK-LMT-CAR408-4).A, first pereiopod; B, second pereiopod; C, third pereiopod; D, same, dactylus; E, fifth pereiopod; F, same, dactylus; G, male first pleopod; H, male second pleopod. Scale bar: A, B = 1 mm; C, E = 0.8 mm; G, H = 0.4 mm; D, F = 0.25 mm." figureDoi="http://doi.org/10.5281/zenodo.12681824" httpUri="https://zenodo.org/record/12681824/files/figure.png" pageId="4" pageNumber="48">Fig. 3H</figureCitation>
|
||
) slender, rod-shaped, 7.65–8.05 × as long as wide, with long spinuliform setae on inner and distal margin, few smaller spiniform setae on basal part, 0.60–0.65 × as long as endopod; appendix interna arising from about 0.45 of, and reaching to 0.75–0.85 of appendix masculina.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3396560FF8DAC26F4CA2C6DFB3BF9EF" pageId="4" pageNumber="48" type="etymology">
|
||
<paragraph id="8B9C36EBFF8DAC26F4CA2C6DFA2FFA7B" blockId="4.[151,1437,645,2040]" pageId="4" pageNumber="48">
|
||
<emphasis id="B957EAF9FF8DAC26F4CA2C6DFEE7FA87" bold="true" box="[199,334,1329,1355]" pageId="4" pageNumber="48">Etymology.</emphasis>
|
||
Named after the late Dr. Ngan Kee Ng, who was dedicated to taxonomic research of brachyuran and anomuran crabs and atyid shrimps, as well as education of younger generations. She took part in early research that characterised the species group to which the new species belongs. This research is also the first to illuminate the atyid shrimp diversity of
|
||
<collectingCountry id="F334767BFF8DAC26F5BF2CC2FD90FA74" box="[434,569,1438,1464]" name="Hong Kong" pageId="4" pageNumber="48">Hong Kong</collectingCountry>
|
||
, stimulating subsequent exploration of the rich local atyid shrimp diversity.
|
||
</paragraph>
|
||
<paragraph id="8B9C36EBFF8DAC26F4CA2C9DFB3BF9EF" blockId="4.[151,1437,645,2040]" pageId="4" pageNumber="48">
|
||
<emphasis id="B957EAF9FF8DAC26F4CA2C9DFEF6FA17" bold="true" box="[199,351,1473,1499]" pageId="4" pageNumber="48">Colouration.</emphasis>
|
||
Body uniform dark blue in colour (
|
||
<figureCitation id="13182A6EFF8DAC26F6E42C9DFC87FA17" box="[745,814,1473,1499]" captionStart="FIGURE 4" captionStartId="4.[151,250,575,599]" captionTargetBox="[151,1436,181,551]" captionTargetId="figure-19@4.[151,1436,181,551]" captionTargetPageId="4" captionText="FIGURE 4. Life colouration of Caridina ngankeeae sp. nov.: A, habitus; B, dorsal view. Photographs by Lai Him Chow." figureDoi="http://doi.org/10.5281/zenodo.12681826" httpUri="https://zenodo.org/record/12681826/files/figure.png" pageId="4" pageNumber="48">Fig. 4</figureCitation>
|
||
). Posterior margin of third and sixth tergite with a white transverse band of about one-third of segment length. Posterior margin of fifth somite with a white spot at dorsal midline. Protopods and distal portion of exopods and endopods of uropods white in colour.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3396560FF8DAC26F4CA2F71FEE2F91B" pageId="4" pageNumber="48" type="biology_ecology">
|
||
<paragraph id="8B9C36EBFF8DAC26F4CA2F71FEE2F91B" blockId="4.[151,1437,645,2040]" pageId="4" pageNumber="48">
|
||
<emphasis id="B957EAF9FF8DAC26F4CA2F71FE85F98B" bold="true" box="[199,300,1581,1607]" pageId="4" pageNumber="48">Ecology.</emphasis>
|
||
The species was discovered in a small upland tributary flowing between crevices on the edge of a cascade; no shrimps were found in the main stream during the survey. Due to dense vegetation, most of the tributary was inaccessible; the small accessible portion had shallow water and strong water flow. Unlike its sympatric congener
|
||
<taxonomicName id="4C234D68FF8DAC26F5092FC6FDBEF97F" authority="Yu, 1938" authorityName="Yu" authorityYear="1938" box="[260,535,1689,1716]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="48" phylum="Arthropoda" rank="species" species="cantonensis">
|
||
<emphasis id="B957EAF9FF8DAC26F5092FC6FE00F97F" box="[260,425,1690,1716]" italics="true" pageId="4" pageNumber="48">C. cantonensis</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8DAC26F5A22FC6FDBEF97F" author="Yu, S. C." box="[431,535,1689,1716]" pageId="4" pageNumber="48" pagination="275 - 310" refId="ref4770" refString="Yu, S. C. (1938) Studies on Chinese Caridina with descriptions of five new species. Bulletin of the Fan Memorial Institute of Biology, Zoology, 8, 275 - 310." type="journal article" year="1938">Yu, 1938</bibRefCitation>
|
||
</taxonomicName>
|
||
, the new species is more ‘skittish’ and light sensitive, quickly hiding under rocks when disturbed.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3396560FF8DAC26F4CA2FBDFAD5F937" box="[199,1404,1761,1788]" pageId="4" pageNumber="48" type="distribution">
|
||
<paragraph id="8B9C36EBFF8DAC26F4CA2FBDFAD5F937" blockId="4.[151,1437,645,2040]" box="[199,1404,1761,1788]" pageId="4" pageNumber="48">
|
||
<emphasis id="B957EAF9FF8DAC26F4CA2FBDFEC8F937" bold="true" box="[199,353,1761,1787]" pageId="4" pageNumber="48">Distribution.</emphasis>
|
||
Currently known only from one locality in the northern New Territories,
|
||
<collectingCountry id="F334767BFF8DAC26F09A2FBEFAB3F930" box="[1175,1306,1762,1788]" name="Hong Kong" pageId="4" pageNumber="48">Hong Kong</collectingCountry>
|
||
(
|
||
<figureCitation id="13182A6EFF8DAC26F1272FBDFAC2F937" box="[1322,1387,1761,1787]" captionStart="FIGURE 1" captionStartId="1.[151,250,694,718]" captionTargetBox="[151,1431,179,668]" captionTargetId="figure-25@1.[151,1437,179,668]" captionTargetPageId="1" captionText="FIGURE 1. Location of Hong Kong in China and map of Hong Kong with three of the major regions highlighted: northern New Territories, Lantau Island and Hong Kong Island." figureDoi="http://doi.org/10.5281/zenodo.12681820" httpUri="https://zenodo.org/record/12681820/files/figure.png" pageId="4" pageNumber="48">Fig. 1</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3396560FF8DAC24F4CA2E59FDB3FE45" lastPageId="6" lastPageNumber="50" pageId="4" pageNumber="48" type="discussion">
|
||
<paragraph id="8B9C36EBFF8DAC27F4CA2E59FE6EFDF7" blockId="4.[151,1437,645,2040]" lastBlockId="5.[151,1437,151,2043]" lastPageId="5" lastPageNumber="49" pageId="4" pageNumber="48">
|
||
<emphasis id="B957EAF9FF8DAC26F4CA2E59FE92F8D3" bold="true" box="[199,315,1797,1823]" pageId="4" pageNumber="48">Remarks.</emphasis>
|
||
The dorsally armed rostrum, the large number of spiniform setae on uropodal diaeresis, the relatively long stylocerite, and the stout, distally deeply excavated carpus of first pereiopod indicate a close relationship between
|
||
<taxonomicName id="4C234D68FF8DAC26F4F72E12FE3BF8AB" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[250,402,1869,1896]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="48" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8DAC26F4F72E12FE3BF8AB" box="[250,402,1869,1896]" italics="true" pageId="4" pageNumber="48">C. ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8DAC26F59A2E11FE59F8AB" bold="true" box="[407,496,1869,1895]" pageId="4" pageNumber="48">
|
||
<taxonomicNameLabel id="A2645782FF8DAC26F59A2E11FE59F8AB" box="[407,496,1869,1895]" pageId="4" pageNumber="48" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and the
|
||
<taxonomicName id="4C234D68FF8DAC26F6412E12FD15F8AB" authorityName="Stimpson" authorityYear="1860" box="[588,700,1870,1896]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="48" phylum="Arthropoda" rank="species" species="serrata">
|
||
<emphasis id="B957EAF9FF8DAC26F6412E12FD15F8AB" box="[588,700,1870,1896]" italics="true" pageId="4" pageNumber="48">C. serrata</emphasis>
|
||
</taxonomicName>
|
||
species group (
|
||
<emphasis id="B957EAF9FF8DAC26F7642E12FC0EF8AB" box="[873,935,1870,1895]" italics="true" pageId="4" pageNumber="48">sensu</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8DAC26F7A02E11FBFFF8AB" author="Cai, Y. & Ng, N. K." box="[941,1110,1869,1896]" pageId="4" pageNumber="48" pagination="1603 - 1638" refId="ref4005" refString="Cai, Y. & Ng, N. K. (1999) A revision of the Caridina serrata species group, with descriptions of five new species (Crustacea: Decapoda: Caridea: Atyidae). Journal of Natural History, 33 (11), 1603 - 1638. https: // doi. org / 10.1080 / 002229399299789" type="journal article" year="1999">Cai & Ng 1999</bibRefCitation>
|
||
) and allied species, primarily distributed in southern
|
||
<collectingCountry id="F334767BFF8DAC26F5962E2DFE77F847" box="[411,478,1905,1931]" name="China" pageId="4" pageNumber="48">China</collectingCountry>
|
||
and northern to central
|
||
<collectingCountry id="F334767BFF8DAC26F6E12E2DFCE7F847" box="[748,846,1905,1931]" name="Vietnam" pageId="4" pageNumber="48">Vietnam</collectingCountry>
|
||
, which likely shared palaeo-confluences in basins in the now northern South
|
||
<collectingCountry id="F334767BFF8DAC26F5A02EC9FE59F863" box="[429,496,1941,1967]" name="China" pageId="4" pageNumber="48">China</collectingCountry>
|
||
Sea during sea level drop in the past. On account of the short to medium rostrum armed with large teeth, the rostral formula, and the slender appendix masculina of male second pleopod, the new species resembles the most to the Vietnamese
|
||
<taxonomicName id="4C234D68FF8DAC26F69F2E82FBB5F83B" authority="Dang & Do, 2007" authorityName="Dang & Do" authorityYear="2007" box="[658,1052,2013,2040]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="48" phylum="Arthropoda" rank="species" species="pseudoserrata">
|
||
<emphasis id="B957EAF9FF8DAC26F69F2E82FCF8F83B" box="[658,849,2013,2040]" italics="true" pageId="4" pageNumber="48">C. pseudoserrata</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8DAC26F75A2E82FBB5F83B" author="Dang, N. T. & Do, V. T." box="[855,1052,2013,2040]" pageId="4" pageNumber="48" pagination="1 - 12" refId="ref4373" refString="Dang, N. T. & Do, V. T. (2007) New species of Caridina (Crustacea, Decapoda - Atyidae) from Vietnam. Tap Chi Sinh Hoc, 29, 1 - 12. [in Vietnamese]" type="journal article" year="2007">Dang & Do, 2007</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C234D68FF8DAC27F05D2E82FF7AFF7D" authority="Dang & Do, 2007" authorityName="Dang & Do" authorityYear="2007" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" lastPageId="5" lastPageNumber="49" order="Decapoda" pageId="4" pageNumber="48" phylum="Arthropoda" rank="species" species="rubropunctata">
|
||
<emphasis id="B957EAF9FF8DAC26F05D2E82FAB9F83B" box="[1104,1296,2013,2040]" italics="true" pageId="4" pageNumber="48">C. rubropunctata</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8DAC27F1182E82FF7AFF7D" author="Dang, N. T. & Do, V. T." lastPageId="5" lastPageNumber="49" pageId="4" pageNumber="48" pagination="1 - 12" refId="ref4373" refString="Dang, N. T. & Do, V. T. (2007) New species of Caridina (Crustacea, Decapoda - Atyidae) from Vietnam. Tap Chi Sinh Hoc, 29, 1 - 12. [in Vietnamese]" type="journal article" year="2007">Dang & Do, 2007</bibRefCitation>
|
||
</taxonomicName>
|
||
. The new species is distinct from both Vietnamese species by having: 1) a shorter stylocerite (usually reaching to end of basal article of antennular peduncle versus reaching at least to middle of second article in
|
||
<taxonomicName id="4C234D68FF8CAC27F0D129E7FA35FF18" authorityName="Dang & Do" authorityYear="2007" box="[1244,1436,186,213]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="pseudoserrata">
|
||
<emphasis id="B957EAF9FF8CAC27F0D129E7FA35FF18" box="[1244,1436,186,213]" italics="true" pageId="5" pageNumber="49">C. pseudoserrata</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C234D68FF8CAC27F4C42983FE24FF34" authorityName="Dang & Do" authorityYear="2007" box="[201,397,222,249]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="rubropunctata">
|
||
<emphasis id="B957EAF9FF8CAC27F4C42983FE24FF34" box="[201,397,222,249]" italics="true" pageId="5" pageNumber="49">C. rubropunctata</emphasis>
|
||
</taxonomicName>
|
||
); 2) first pereiopod fingers shorter than palm (versus as long as or longer than palm); and 3) subtriangular endopod of male first pleopod (versus subrectangular). Additional differences of
|
||
<taxonomicName id="4C234D68FF8CAC27F10C285FFA34FED0" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[1281,1437,258,285]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8CAC27F10C285FFA34FED0" box="[1281,1437,258,285]" italics="true" pageId="5" pageNumber="49">C. ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8CAC27F49A287AFF5AFE8C" bold="true" box="[151,243,294,320]" pageId="5" pageNumber="49">
|
||
<taxonomicNameLabel id="A2645782FF8CAC27F49A287AFF5AFE8C" box="[151,243,294,320]" pageId="5" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
from
|
||
<taxonomicName id="4C234D68FF8CAC27F530287BFDA9FE8C" authorityName="Dang & Do" authorityYear="2007" box="[317,512,294,321]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="pseudoserrata">
|
||
<emphasis id="B957EAF9FF8CAC27F530287BFDA9FE8C" box="[317,512,294,321]" italics="true" pageId="5" pageNumber="49">C. pseudoserrata</emphasis>
|
||
</taxonomicName>
|
||
include the more ventral rostral teeth (2–5 versus
|
||
<quantity id="4CDB9B0EFF8CAC27F047287AFB3DFE8C" box="[1098,1172,294,320]" metricMagnitude="-2" metricUnit="m" metricValue="3.81" metricValueMax="5.08" metricValueMin="2.54" pageId="5" pageNumber="49" unit="in" value="1.5" valueMax="2.0" valueMin="1.0">1–2 in</quantity>
|
||
<taxonomicName id="4C234D68FF8CAC27F090287BFAC9FE8C" authorityName="Dang & Do" authorityYear="2007" box="[1181,1376,294,321]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="pseudoserrata">
|
||
<emphasis id="B957EAF9FF8CAC27F090287BFAC9FE8C" box="[1181,1376,294,321]" italics="true" pageId="5" pageNumber="49">C. pseudoserrata</emphasis>
|
||
</taxonomicName>
|
||
), the proportionally longer carpus of the second pereiopod (chela 0.75–0.85 times as long as carpus versus 0.94 times), and stouter endopod of the male first pleopod (2.4–2.5 times as long as basal width versus about 2.8 times based on illustrations in the original description by
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F68028CEFCC0FE60" author="Dang, N. T. & Do, V. T." box="[653,873,402,428]" pageId="5" pageNumber="49" pagination="1 - 12" refId="ref4373" refString="Dang, N. T. & Do, V. T. (2007) New species of Caridina (Crustacea, Decapoda - Atyidae) from Vietnam. Tap Chi Sinh Hoc, 29, 1 - 12. [in Vietnamese]" type="journal article" year="2007">Dang & Do (2007))</bibRefCitation>
|
||
with the longer appendix interna (reaching clearly beyond distal margin of endopod versus reaching to or slightly beyond). From
|
||
<taxonomicName id="4C234D68FF8CAC27F00628EAFB64FE03" authorityName="Dang & Do" authorityYear="2007" box="[1035,1229,437,464]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="rubropunctata">
|
||
<emphasis id="B957EAF9FF8CAC27F00628EAFB64FE03" box="[1035,1229,437,464]" italics="true" pageId="5" pageNumber="49">C. rubropunctata</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C234D68FF8CAC27F0D628EAFADDFE03" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[1243,1396,437,464]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8CAC27F0D628EAFADDFE03" box="[1243,1396,437,464]" italics="true" pageId="5" pageNumber="49">C. ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8CAC27F17628EAFF61FE38" bold="true" pageId="5" pageNumber="49">
|
||
<taxonomicNameLabel id="A2645782FF8CAC27F17628EAFF61FE38" pageId="5" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
also differs by having proportionally longer fingers of the second pereiopod (1.4–1.6 times as long as palm versus 1.05 times in
|
||
<taxonomicName id="4C234D68FF8CAC27F57028A2FD97FDDB" authorityName="Dang & Do" authorityYear="2007" box="[381,574,509,536]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="rubropunctata">
|
||
<emphasis id="B957EAF9FF8CAC27F57028A2FD97FDDB" box="[381,574,509,536]" italics="true" pageId="5" pageNumber="49">C. rubropunctata</emphasis>
|
||
</taxonomicName>
|
||
), and the more slender carpus of the second pereiopod (4.4–4.9 times as long as wide versus 4.06 times).
|
||
</paragraph>
|
||
<paragraph id="8B9C36EBFF8CAC27F4CA2B19FBA0FB99" blockId="5.[151,1437,151,2043]" pageId="5" pageNumber="49">
|
||
Comparing with congeners recorded from
|
||
<collectingCountry id="F334767BFF8CAC27F6A72B1AFC87FDAC" box="[682,814,582,608]" name="Hong Kong" pageId="5" pageNumber="49">Hong Kong</collectingCountry>
|
||
or the nearby
|
||
<collectingRegion id="49E7F809FF8CAC27F7D82B19FB6DFD93" box="[981,1220,581,607]" country="China" name="Guangdong" pageId="5" pageNumber="49">Guangdong Province</collectingRegion>
|
||
in southern
|
||
<collectingCountry id="F334767BFF8CAC27F15F2B19FA31FD93" box="[1362,1432,581,607]" name="China" pageId="5" pageNumber="49">China</collectingCountry>
|
||
, the characteristic subtriangular endopod of the male first pereiopod and the intermediate stylocerite reaching to the end of the basal article of the antennular peduncle of
|
||
<taxonomicName id="4C234D68FF8CAC27F6E82BD1FCD4FD6B" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[741,893,653,679]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8CAC27F6E82BD1FCD4FD6B" box="[741,893,653,679]" italics="true" pageId="5" pageNumber="49">C. ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8CAC27F78E2BD1FC75FD6B" bold="true" box="[899,988,653,679]" pageId="5" pageNumber="49">
|
||
<taxonomicNameLabel id="A2645782FF8CAC27F78E2BD1FC75FD6B" box="[899,988,653,679]" pageId="5" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
are similar to those of
|
||
<taxonomicName id="4C234D68FF8CAC27F0D62BD1FEA0FD07" authority="Ng & Cai, 2000" authorityName="Ng & Cai" authorityYear="2000" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="breviata">
|
||
<emphasis id="B957EAF9FF8CAC27F0D62BD1FAFEFD6B" box="[1243,1367,653,679]" italics="true" pageId="5" pageNumber="49">C. breviata</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F1532BD1FEA0FD07" author="Ng, N. K. & Cai, Y." pageId="5" pageNumber="49" pagination="167 - 175" refId="ref4619" refString="Ng, N. K. & Cai, Y. (2000) Two new species of atyid shrimps from southern China (Crustacea: Decapoda: Caridea). Raffles Bulletin of Zoology, 48 (1), 167 - 175." type="journal article" year="2000">Ng & Cai, 2000</bibRefCitation>
|
||
</taxonomicName>
|
||
. However, the new species differs from
|
||
<taxonomicName id="4C234D68FF8CAC27F6C22BEDFCE5FD07" authorityName="Ng & Cai" authorityYear="2000" box="[719,844,689,715]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="breviata">
|
||
<emphasis id="B957EAF9FF8CAC27F6C22BEDFCE5FD07" box="[719,844,689,715]" italics="true" pageId="5" pageNumber="49">C. breviata</emphasis>
|
||
</taxonomicName>
|
||
by a number of characters: 1) a longer rostrum with more teeth (reaching to the end of the basal article to the end of the second article of antennular peduncle, rostral formula 5–6 + 6–11/2–5 versus not reaching beyond the end of the basal article, rostral formula 0–2 + 0–8/0 in
|
||
<taxonomicName id="4C234D68FF8CAC27F18E2BA5FF5AFCFA" authorityName="Ng & Cai" authorityYear="2000" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="breviata">
|
||
<emphasis id="B957EAF9FF8CAC27F18E2BA5FF5AFCFA" italics="true" pageId="5" pageNumber="49">C. breviata</emphasis>
|
||
</taxonomicName>
|
||
); 2) the stouter chela and carpus of the first pereiopod (1.85–2.05 and 1.2–1.4 times as long as wide versus 2.3 and 1.7 times, respectively); 3) the stouter chela and carpus of the second pereiopod (2.20–2.45 and 4.4–4.9 times as long as wide versus 2.6 and 5.4 times, respectively); 4) proportionally shorter fingers of the first and second pereiopods (shorter than palm versus longer than palm, 1.4–1.6 times as long as palm versus 1.9 times); 5) the stouter propodus of the third and fifth pereiopods (7.85–9.15 and 9.25–10.70 times as long as wide versus 9.4 and 13 times, respectively) with the latter also proportionally shorter (2.90–3.35 times as long as dactylus versus 5 times); 6) the more slender endopod of the male first pleopod (2.4–2.5 times as long as basal width versus 2.1 times); and 7) the more slender appendix masculina of the male second pleopod (7.65–8.05 times as long as wide versus about 5.5 times based on illustration in the original description by
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F7372D60FBADFB99" author="Ng, N. K. & Cai, Y." box="[826,1028,1083,1110]" pageId="5" pageNumber="49" pagination="167 - 175" refId="ref4619" refString="Ng, N. K. & Cai, Y. (2000) Two new species of atyid shrimps from southern China (Crustacea: Decapoda: Caridea). Raffles Bulletin of Zoology, 48 (1), 167 - 175." type="journal article" year="2000">Ng & Cai (2000))</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9C36EBFF8CAC27F4CA2D03FE88FA2C" blockId="5.[151,1437,151,2043]" pageId="5" pageNumber="49">
|
||
<taxonomicName id="4C234D68FF8CAC27F4CA2D03FE02FBB5" authorityName="Chow & Chan & Tsang" authorityYear="2024" box="[199,427,1119,1145]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="ngankeeae" status="sp. nov.">
|
||
<emphasis id="B957EAF9FF8CAC27F4CA2D03FE02FBB5" box="[199,427,1119,1145]" italics="true" pageId="5" pageNumber="49">Caridina ngankeeae</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B957EAF9FF8CAC27F5BD2D03FDA0FBB5" bold="true" box="[432,521,1119,1145]" pageId="5" pageNumber="49">
|
||
<taxonomicNameLabel id="A2645782FF8CAC27F5BD2D03FDA0FBB5" box="[432,521,1119,1145]" pageId="5" pageNumber="49" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is also similar to
|
||
<taxonomicName id="4C234D68FF8CAC27F6C12D03FB83FBB5" authority="Yam & Cai, 2003" authorityName="Yam & Cai" authorityYear="2003" box="[716,1066,1119,1146]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="trifasciata">
|
||
<emphasis id="B957EAF9FF8CAC27F6C12D03FCF6FBB5" box="[716,863,1119,1145]" italics="true" pageId="5" pageNumber="49">C. trifasciata</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F7682D3CFB83FBB5" author="Yam, R. S. W. & Cai, Y." box="[869,1066,1119,1146]" pageId="5" pageNumber="49" pagination="277 - 282" refId="ref4722" refString="Yam, R. S. W. & Cai, Y. (2003) Caridina trifasciata, a new species of freshwater shrimp (Decapoda: Atyidae) from Hong Kong. Raffles Bulletin of Zoology, 51 (2), 277 - 282." type="journal article" year="2003">Yam & Cai, 2003</bibRefCitation>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C234D68FF8CAC27F0392D03FE84FB51" authority="Chen, Chen, Zheng & Guo, 2020" authorityName="Chen, Chen, Zheng & Guo" authorityYear="2020" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="tetrazona">
|
||
<emphasis id="B957EAF9FF8CAC27F0392D03FB17FBB5" box="[1076,1214,1119,1145]" italics="true" pageId="5" pageNumber="49">C. tetrazona</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F0C92D03FE84FB51" author="Chen, Q. & Chen, W. & Zheng, X. & Guo, Z." pageId="5" pageNumber="49" pagination="15 - 32" refId="ref4068" refString="Chen, Q., Chen, W., Zheng, X. & Guo, Z. (2020) Two freshwater shrimp species of the genus Caridina (Decapoda, Caridea, Atyidae) from Dawanshan Island, Guangdong, China, with the description of a new species. ZooKeys, 923, 15 - 32. https: // doi. org / 10.3897 / zookeys. 923.48593" type="journal article" year="2020">Chen, Chen, Zheng & Guo, 2020</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C234D68FF8CAC27F56B2DDFFC04FB51" authority="Zhou, Zhang, Wong & Huang, 2021" authorityName="Zhou, Zhang, Wong & Huang" authorityYear="2021" box="[358,941,1155,1181]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="macauensis">
|
||
<emphasis id="B957EAF9FF8CAC27F56B2DDFFDA3FB51" box="[358,522,1155,1181]" italics="true" pageId="5" pageNumber="49">C. macauensis</emphasis>
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F61F2DDFFC04FB51" author="Zhou, G. & Zhang, W. & Wong, K. & Huang, J." box="[530,941,1155,1181]" pageId="5" pageNumber="49" pagination="1103 - 1119" refId="ref4807" refString="Zhou, G., Zhang, W., Wong, K. & Huang, J. (2021) Atyid shrimps of the genus Caridina (Decapoda, Caridea, Atyidae) of Taipa- Coloane Island, Macau, China, with description of a new species. Crustaceana, 94 (9), 1103 - 1119. https: // doi. org / 10.1163 / 15685403 - bja 10146" type="journal article" year="2021">Zhou, Zhang, Wong & Huang, 2021</bibRefCitation>
|
||
</taxonomicName>
|
||
to a certain extent. The new species differs from
|
||
<taxonomicName id="4C234D68FF8CAC27F4D52DFBFEC7FB0D" authorityName="Yam & Cai" authorityYear="2003" box="[216,366,1191,1217]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="trifasciata">
|
||
<emphasis id="B957EAF9FF8CAC27F4D52DFBFEC7FB0D" box="[216,366,1191,1217]" italics="true" pageId="5" pageNumber="49">C. trifasciata</emphasis>
|
||
</taxonomicName>
|
||
in the: 1) stouter carpus but more slender merus of the first pereiopod (1.2–1.4 and 2.1–2.6 times as long as wide versus 1.4–1.5 and 2.0–2.2 times, respectively, in
|
||
<taxonomicName id="4C234D68FF8CAC27F7B02D97FBF8FB29" authorityName="Yam & Cai" authorityYear="2003" box="[957,1105,1227,1253]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="trifasciata">
|
||
<emphasis id="B957EAF9FF8CAC27F7B02D97FBF8FB29" box="[957,1105,1227,1253]" italics="true" pageId="5" pageNumber="49">C. trifasciata</emphasis>
|
||
</taxonomicName>
|
||
); 2) stouter chela, carpus and merus of the second pereiopod (2.20–2.45, 4.4–4.9 and 3.65–4.65 times as long as wide versus 2.8–3.0, 5.4–5.9 and 5.1–5.5 times, respectively); 3) proportionally shorter propodus of the third and fifth pereiopods (3.6–3.9 and 2.90–3.35 times as long as dactylus versus 4.2–4.6 and 4.5–4.8 times, respectively); 4) more spinuliform setae on the flexor margin of the dactylus of the fifth pereiopod (32–43 versus 29–30); 5) subtriangular endopod of the male first pleopod (versus subrectangular); and 6) more slender appendix masculina of the male second pleopod (7.65–8.05 times as long as wide versus about 4.8 times based on illustrations in the original description by
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F1412CFEFEB4FA2C" author="Yam, R. S. W. & Cai, Y." pageId="5" pageNumber="49" pagination="277 - 282" refId="ref4722" refString="Yam, R. S. W. & Cai, Y. (2003) Caridina trifasciata, a new species of freshwater shrimp (Decapoda: Atyidae) from Hong Kong. Raffles Bulletin of Zoology, 51 (2), 277 - 282." type="journal article" year="2003">Yam & Cai (2003))</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9C36EBFF8CAC27F4CA2CB5FC45F933" blockId="5.[151,1437,151,2043]" pageId="5" pageNumber="49">
|
||
The new species can be distinguished from
|
||
<taxonomicName id="4C234D68FF8CAC27F6BA2CB6FCEAF9CF" authorityName="Chen, Chen, Zheng & Guo" authorityYear="2020" box="[695,835,1514,1540]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="tetrazona">
|
||
<emphasis id="B957EAF9FF8CAC27F6BA2CB6FCEAF9CF" box="[695,835,1514,1540]" italics="true" pageId="5" pageNumber="49">C. tetrazona</emphasis>
|
||
</taxonomicName>
|
||
in the: 1) stouter scaphocerite (2.8–3.0 times as long as wide versus 3.6 times in
|
||
<taxonomicName id="4C234D68FF8CAC27F5DA2F52FDCDF9EB" authorityName="Chen, Chen, Zheng & Guo" authorityYear="2020" box="[471,612,1550,1576]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="tetrazona">
|
||
<emphasis id="B957EAF9FF8CAC27F5DA2F52FDCDF9EB" box="[471,612,1550,1576]" italics="true" pageId="5" pageNumber="49">C. tetrazona</emphasis>
|
||
</taxonomicName>
|
||
); 2) stouter carpus of the first pereiopod (1.2–1.4 times as long as wide versus 1.5–1.8 times); 3) stouter chela and carpus of the second pereiopod (2.20–2.45 and 4.4–4.9 times as long as wide versus 2.6–3.2 and 4.9–5.9 times, respectively); 4) proportionally shorter propodus of the third and fifth pereiopods (3.6–3.9 and 2.90–3.35 times as long as dactylus versus 4.5–4.9 and 4.7–5.1 times, respectively); 5) more spinuliform setae on the flexor margin of the dactylus of the fifth pereiopod (32–43 versus 27–31); and 6) more slender appendix masculina of the male second pleopod (7.65–8.05 times as long as wide versus about 4.9 times based on illustration in the original description by
|
||
<bibRefCitation id="EFB24B1AFF8CAC27F71D2FB9FC41F933" author="Chen, Q. & Chen, W. & Zheng, X. & Guo, Z." box="[784,1000,1765,1791]" pageId="5" pageNumber="49" pagination="15 - 32" refId="ref4068" refString="Chen, Q., Chen, W., Zheng, X. & Guo, Z. (2020) Two freshwater shrimp species of the genus Caridina (Decapoda, Caridea, Atyidae) from Dawanshan Island, Guangdong, China, with the description of a new species. ZooKeys, 923, 15 - 32. https: // doi. org / 10.3897 / zookeys. 923.48593" type="journal article" year="2020">
|
||
Chen
|
||
<emphasis id="B957EAF9FF8CAC27F75F2FB9FC23F933" box="[850,906,1765,1791]" italics="true" pageId="5" pageNumber="49">et al.</emphasis>
|
||
(2020))
|
||
</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B9C36EBFF8CAC24F4CA2E54FDB3FE45" blockId="5.[151,1437,151,2043]" lastBlockId="6.[151,1436,151,393]" lastPageId="6" lastPageNumber="50" pageId="5" pageNumber="49">
|
||
The new species differs from
|
||
<taxonomicName id="4C234D68FF8CAC27F6142E55FD14F8EE" authorityName="Zhou, Zhang, Wong & Huang" authorityYear="2021" box="[537,701,1801,1827]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="macauensis">
|
||
<emphasis id="B957EAF9FF8CAC27F6142E55FD14F8EE" box="[537,701,1801,1827]" italics="true" pageId="5" pageNumber="49">C. macauensis</emphasis>
|
||
</taxonomicName>
|
||
in the: 1) longer rostrum (reaching to the end of the basal article to slightly beyond the end of the second article of the antennular peduncle versus never reaching beyond the basal article in
|
||
<taxonomicName id="4C234D68FF8CAC27F5092E0DFE00F8A6" authorityName="Zhou, Zhang, Wong & Huang" authorityYear="2021" box="[260,425,1873,1899]" class="Malacostraca" family="Atyidae" genus="Caridina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="5" pageNumber="49" phylum="Arthropoda" rank="species" species="macauensis">
|
||
<emphasis id="B957EAF9FF8CAC27F5092E0DFE00F8A6" box="[260,425,1873,1899]" italics="true" pageId="5" pageNumber="49">C. macauensis</emphasis>
|
||
</taxonomicName>
|
||
); 2) stouter scaphocerite (2.8–3.0 times as long as wide versus 3.9–4.2 times); 3) stouter chela and carpus of the first pereiopod (1.85–2.05 and 1.2–1.4 times as long as wide versus 2.4–2.6 and 1.55–1.67 times, respectively); 4) proportionally longer carpus of the first pereiopod (0.9–1.0 times as long as merus versus 0.60–0.67 times); 5) stouter chela and carpus of the second pereiopod (2.20–2.45 and 4.4–4.9 times as long as wide versus 2.6–2.8 and 7.1–8.4 times, respectively); 6) proportionally longer chela of the second pereiopod (0.75–0.85 times as long as carpus versus 0.60–0.67 times); 7) proportionally shorter fingers of the second pereiopod (1.4–1.6 times as long as palm versus 1.8–2.2 times); 8) proportionally shorter propodus of the fifth pereiopod (2.90–3.35 times as long as dactylus versus 4.5–5.5 times); 9) more spinuliform setae on the flexor margin of the dactylus of the fifth pereiopod (32–43 versus 26–30); 10) stouter, subtriangular endopod of the male first pleopod (2.4–2.5 times as long as basal width versus subrectangular, 3.0–3.2 times); and 11) more slender appendix masculina of the male second pleopod (7.65–8.05 times as long as wide
|
||
<emphasis id="B957EAF9FF8FAC24F7062817FCFAFEA8" box="[779,851,331,356]" italics="true" pageId="6" pageNumber="50">versus</emphasis>
|
||
about 5.4 times based on illustration in the original description by
|
||
<bibRefCitation id="EFB24B1AFF8FAC24F5332833FDBFFE45" author="Zhou, G. & Zhang, W. & Wong, K. & Huang, J." box="[318,534,367,393]" pageId="6" pageNumber="50" pagination="1103 - 1119" refId="ref4807" refString="Zhou, G., Zhang, W., Wong, K. & Huang, J. (2021) Atyid shrimps of the genus Caridina (Decapoda, Caridea, Atyidae) of Taipa- Coloane Island, Macau, China, with description of a new species. Crustaceana, 94 (9), 1103 - 1119. https: // doi. org / 10.1163 / 15685403 - bja 10146" type="journal article" year="2021">
|
||
Zhou
|
||
<emphasis id="B957EAF9FF8FAC24F58D2833FE11FE45" box="[384,440,367,393]" italics="true" pageId="6" pageNumber="50">et al.</emphasis>
|
||
(2021))
|
||
</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |