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<document id="36C3A55952C6790210317FE50590AD4B" ID-DOI="10.26107/RBZ-2020-0057" ID-ISSN="2345-7600" ID-Zenodo-Dep="4576888" ID-ZooBank="D3EB5AD1-6FFE-4F9A-A80D-CCEE8001EFDB" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1614780891930" checkinUser="carolina" docAuthor="Do, Van Tu, Rintelen, Thomas von &amp; Dang, Van Dong" docDate="2020" docId="767087EFC8514841B7A0FA8421E7F897" docLanguage="en" docName="RafflesBZool.68.404-420.pdf" docOrigin="Raffles Bulletin of Zoology 68" docStyle="DocumentStyle:AF09A0581917EACD12E7F0991C3E7C26.5:RafflesBZool.2019-.journal_article" docStyleId="AF09A0581917EACD12E7F0991C3E7C26" docStyleName="RafflesBZool.2019-.journal_article" docStyleVersion="5" docTitle="Caridina pacbo Do &amp; Rintelen &amp; Dang 2020, new species" docType="treatment" docUuid="BF01AA07-3E06-47D9-B12D-99E3B034B8F5" docUuidSource="ZooBank" docVersion="4" lastPageNumber="414" masterDocId="8A49FF97C856484BB443FFAC2529FFC2" masterDocTitle="Descriptions of two new freshwater shrimps of the genus Caridina H. Milne Edwards, 1837 (Crustacea: Decapoda: Atyidae) from northern Vietnam" masterLastPageNumber="420" masterPageNumber="404" pageNumber="411" updateTime="1698878336158" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="C1D56EB4A29425DAC79C74470D7F4092">Descriptions of two new freshwater shrimps of the genus Caridina H. Milne Edwards, 1837 (Crustacea: Decapoda: Atyidae) from northern Vietnam</mods:title>
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<mods:namePart id="8F24DFD7C68EF50428E87C96AB76F436">Do, Van Tu</mods:namePart>
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<mods:namePart id="628B271DCF929E9EDEDBA4D2BB225F1E">Rintelen, Thomas von</mods:namePart>
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<mods:namePart id="E08D55A6FF310DEA11AFD8FD1EC64E37">Dang, Van Dong</mods:namePart>
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<mods:title id="2A53C665AD16A1524D27798E30D06ABA">Raffles Bulletin of Zoology</mods:title>
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<mods:date id="5647E7C3924DA4003D1BD97C19390016">2020</mods:date>
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<mods:number id="E7CF4082E37393A55398845D15318B19">68</mods:number>
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<emphasis id="CCADEAEBC851484CB7A0FA84200AFA82" bold="true" box="[995,1315,1320,1344]" pageId="7" pageNumber="411">
<taxonomicName id="39D94D7AC851484CB7A0FA8421A7FA82" ID-CoL="8VNCX" authority="Do &amp; Rintelen &amp; Dang, 2020" authorityName="Do &amp; Rintelen &amp; Dang" authorityYear="2020" box="[995,1166,1320,1344]" class="Malacostraca" family="Atyidae" genus="Caridina" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="411" phylum="Arthropoda" rank="species" species="pacbo" status="sp. nov.">
<emphasis id="CCADEAEBC851484CB7A0FA8421A7FA82" bold="true" box="[995,1166,1320,1344]" italics="true" pageId="7" pageNumber="411">Caridina pacbo</emphasis>
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,
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<paragraph id="FE6636F9C851484CB004FAE42197FAA2" blockId="7.[995,1315,1320,1376]" box="[1095,1214,1352,1376]" pageId="7" pageNumber="411">
(
<figureCitation id="66E22A7CC851484CB00CFAE4219FFAA2" box="[1103,1206,1352,1376]" captionStart-0="Fig" captionStart-1="Fig" captionStart-2="Fig" captionStartId-0="8.[113,148,1950,1972]" captionStartId-1="9.[136,171,1936,1958]" captionStartId-2="11.[136,171,684,706]" captionTargetBox-0="[115,1451,247,1935]" captionTargetBox-1="[140,1475,290,1921]" captionTargetBox-2="[136,775,189,668]" captionTargetId-0="figure-13@8.[106,1462,246,1935]" captionTargetId-1="figure-8@9.[137,1475,284,1921]" captionTargetId-2="figure-884@11.[136,775,189,668]" captionTargetPageId-0="8" captionTargetPageId-1="9" captionTargetPageId-2="11" captionText-0="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." captionText-1="Fig. 6. Caridina pacbo, new species. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm." captionText-2="Fig. 7. Habitat of Caridina pacbo, new species, in Pac Bo village, Truong Ha Commune, Ha Quang District, Cao Bang Province." figureDoi-0="http://doi.org/10.5281/zenodo.4576898" figureDoi-1="http://doi.org/10.5281/zenodo.4576900" figureDoi-2="http://doi.org/10.5281/zenodo.4576904" httpUri-0="https://zenodo.org/record/4576898/files/figure.png" httpUri-1="https://zenodo.org/record/4576900/files/figure.png" httpUri-2="https://zenodo.org/record/4576904/files/figure.png" pageId="7" pageNumber="411">Figs. 57</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="B6C36572C851484CB700FA2421A4F7E2" pageId="7" pageNumber="411" type="materials_examined">
<paragraph id="FE6636F9C851484CB700FA2420EAF982" blockId="7.[835,1475,1416,1600]" pageId="7" pageNumber="411">
<emphasis id="CCADEAEBC851484CB700FA24210DFA62" bold="true" box="[835,1060,1416,1440]" pageId="7" pageNumber="411">Material examined.</emphasis>
<materialsCitation id="4EB13CA4C851484CB06EFA242121F9E2" collectingDate="2017-05-25" collectorName="Do Van Tu" country="Vietnam" county="Ha Quang District" latitude="106.042" location="Pac Bo Village" municipality="Truong Ha Commune" pageId="7" pageNumber="411" specimenCode="IEBR-FS 003" specimenCount="1" stateProvince="Cao Bang" typeStatus="holotype">
<typeStatus id="2162885BC851484CB06EFA2421B9FA62" box="[1069,1168,1416,1440]" pageId="7" pageNumber="411" type="holotype">Holotype</typeStatus>
male, cl
<quantity id="39219B1CC851484CB0BBFA242063FA62" box="[1272,1354,1416,1440]" metricMagnitude="-3" metricUnit="m" metricValue="4.2" pageId="7" pageNumber="411" unit="mm" value="4.2">4.2 mm</quantity>
(
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),
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:
<collectingRegion id="3C1DF81BC851484CB7B8FA0421F5FA02" box="[1019,1244,1448,1473]" country="Vietnam" name="Cao Bang" pageId="7" pageNumber="411">Cao Bang Province</collectingRegion>
,
<collectingCounty id="17074E75C851484CB0A8FA052096FA02" box="[1259,1471,1448,1472]" pageId="7" pageNumber="411">Ha Quang District</collectingCounty>
,
<collectingMunicipality id="1E02AC83C851484CB700FA652169FA22" box="[835,1088,1480,1505]" pageId="7" pageNumber="411">Truong Ha Commune</collectingMunicipality>
,
<location id="FB066022C851484CB00CFA65202BFA22" LSID="urn:lsid:plazi:treatment:767087EFC8514841B7A0FA8421E7F897:FB066022C851484CB00CFA65202BFA22" box="[1103,1282,1480,1504]" country="Vietnam" county="Ha Quang District" latitude="106.042" municipality="Truong Ha Commune" name="Pac Bo Village" pageId="7" pageNumber="411" stateProvince="Cao Bang">Pac Bo Village</location>
, small stream in
<location id="FB066022C851484CB700FA4426E5F9C2" LSID="urn:lsid:plazi:treatment:767087EFC8514841B7A0FA8421E7F897:FB066022C851484CB700FA4426E5F9C2" box="[835,972,1512,1536]" country="Vietnam" county="Ha Quang District" latitude="106.042" municipality="Truong Ha Commune" name="Khuoi Nam" pageId="7" pageNumber="411" stateProvince="Cao Bang">Khuoi Nam</location>
,
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, coll.
<collectorName id="532C532FC851484CB12BFA45264DF9E2" pageId="7" pageNumber="411">Do Van Tu</collectorName>
,
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.
<typeStatus id="2162885BC851484CB057F9A521A9F9E3" box="[1044,1152,1545,1569]" pageId="7" pageNumber="411" type="paratype">Paratypes</typeStatus>
:
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, cl 5.0
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;
<materialsCitation id="4EB13CA4C851484CB1F6F9A42096F982" accessionNumber="ZMB 30295" collectingDate="2017-05-25" collectionCode="ZMB" collectorName="Do Van Tu" country="Vietnam" county="Ha Quang District" latitude="106.042" location="Pac Bo Village" municipality="Truong Ha Commune" pageId="7" pageNumber="411" specimenCount="2" specimenCount-male="2" stateProvince="Cao Bang" typeStatus="paratype">
<specimenCount id="E8DFFD70C851484CB1F6F9A426ADF982" pageId="7" pageNumber="411" type="male">2 males</specimenCount>
, cl
<quantity id="39219B1CC851484CB7EBF9842101F982" box="[936,1064,1576,1600]" metricMagnitude="-3" metricUnit="m" metricValue="4.35" metricValueMax="4.5" metricValueMin="4.2" pageId="7" pageNumber="411" unit="mm" value="4.35" valueMax="4.5" valueMin="4.2">4.24.5 mm</quantity>
(
<collectionCode id="98C8AE3CC851484CB075F9842158F982" box="[1078,1137,1576,1600]" country="Germany" httpUri="http://grbio.org/cool/8syf-d21i" name="Museum für Naturkunde Berlin (Zoological Collections)" pageId="7" pageNumber="411" type="Museum">ZMB</collectionCode>
30295), same data as holotype
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.
</paragraph>
<paragraph id="FE6636F9C851484CB700F9C421A4F7E2" blockId="7.[835,1476,1640,2080]" pageId="7" pageNumber="411">
<emphasis id="CCADEAEBC851484CB700F9C4216AF942" bold="true" box="[835,1091,1640,1664]" pageId="7" pageNumber="411">Comparative material.</emphasis>
<taxonomicName id="39D94D7AC851484CB004F9C42094F942" authority="Li &amp; Liang, 2002" authorityName="Li &amp; Liang" authorityYear="2002" box="[1095,1469,1640,1664]" class="Malacostraca" family="Atyidae" genus="Caridina" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="411" phylum="Arthropoda" rank="species" species="nguyeni">
<emphasis id="CCADEAEBC851484CB004F9C421D6F942" box="[1095,1279,1640,1664]" italics="true" pageId="7" pageNumber="411">Caridina nguyeni</emphasis>
<materialsCitation id="4EB13CA4C851484CB147F9C42094F942" accessionNumber="ZMB 30280" box="[1284,1469,1640,1664]" collectingDate="2017-05-25" collectionCode="ZMB" collectorName="Le Nin &amp; Do Van Tu" country="Vietnam" county="Ha Quang" latitude="22.984446" location="Pac Bo" longLatPrecision="1" longitude="106.04825" municipality="Truong Ha" pageId="7" pageNumber="411" specimenCount="1" stateProvince="Cao Bang">
<bibRefCitation id="9A484B08C851484CB147F9C42094F942" author="Li SQ &amp; Liang XQ" box="[1284,1469,1640,1664]" pageId="7" pageNumber="411" pagination="707 - 716" refId="ref11816" refString="Li SQ &amp; Liang XQ (2002) Caridean prawns of northern Vietnam (Decapoda: Atyidae, Palaemonidae). Acta Zootaxonomica Sinica, 27 (4): 707 - 716. [In Chinese with English summary]" type="journal article" year="2002">Li &amp; Liang, 2002</bibRefCitation>
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: male, cl
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(
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30280),
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:
<collectingRegion id="3C1DF81BC851484CB161F92420BDF963" box="[1314,1428,1672,1697]" country="Vietnam" name="Cao Bang" pageId="7" pageNumber="411">Cao Bang</collectingRegion>
,
<collectingCounty id="17074E75C851484CB1E0F92526A7F902" pageId="7" pageNumber="411">Ha Quang</collectingCounty>
,
<collectingMunicipality id="1E02AC83C851484CB7D9F905213AF902" box="[922,1043,1705,1729]" pageId="7" pageNumber="411">Truong Ha</collectingMunicipality>
,
<location id="FB066022C851484CB063F9052159F902" LSID="urn:lsid:plazi:treatment:767087EFC8514841B7A0FA8421E7F897:FB066022C851484CB063F9052159F902" box="[1056,1136,1705,1728]" country="Vietnam" county="Ha Quang" latitude="22.984446" longLatPrecision="1" longitude="106.04825" municipality="Truong Ha" name="Pac Bo" pageId="7" pageNumber="411" stateProvince="Cao Bang">Pac Bo</location>
, a small creek run into
<collectorName id="532C532FC851484CB136F90520EBF902" box="[1397,1474,1704,1728]" pageId="7" pageNumber="411">
<location id="FB066022C851484CB136F90520EBF902" LSID="urn:lsid:plazi:treatment:767087EFC8514841B7A0FA8421E7F897:FB066022C851484CB136F90520EBF902" box="[1397,1474,1704,1728]" country="Vietnam" county="Ha Quang" latitude="22.984446" longLatPrecision="1" longitude="106.04825" municipality="Truong Ha" name="Le Nin" pageId="7" pageNumber="411" stateProvince="Cao Bang">Le Nin</location>
</collectorName>
stream,
<geoCoordinate id="9BED503EC851484CB7D7F96B213EF922" box="[916,1047,1735,1760]" degrees="22" direction="north" minutes="59" orientation="latitude" pageId="7" pageNumber="411" precision="1" seconds="4.0" value="22.984446">22°594.0″N</geoCoordinate>
<geoCoordinate id="9BED503EC851484CB05FF96B2190F922" box="[1052,1209,1735,1760]" degrees="106" direction="east" minutes="02" orientation="longitude" pageId="7" pageNumber="411" precision="1" seconds="53.7" value="106.04825">106°0253.7″E</geoCoordinate>
, coll.
<collectorName id="532C532FC851484CB0B7F9652040F922" box="[1268,1385,1737,1760]" pageId="7" pageNumber="411">Do Van Tu</collectorName>
,
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<collectingDate id="9A23E9D1C851484CB131F9642655F8C2" pageId="7" pageNumber="411" value="2017-05-25">25 May 2017</collectingDate>
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;
<materialsCitation id="4EB13CA4C851484CB7CBF944214BF8A2" accessionNumber="ZMB 30283" collectingDate="2017-05-25" collectionCode="ZMB" collectorName="Do Van Tu" country="Vietnam" county="Ha Quang" latitude="22.976109" location="Thin Tang village" longLatPrecision="1" longitude="106.06863" municipality="Lung Nam" pageId="7" pageNumber="411" specimenCount="1" stateProvince="Cao Bang">
male, cl
<quantity id="39219B1CC851484CB7A6F9442111F8C2" box="[997,1080,1768,1792]" metricMagnitude="-3" metricUnit="m" metricValue="3.3" pageId="7" pageNumber="411" unit="mm" value="3.3">3.3 mm</quantity>
(
<collectionCode id="98C8AE3CC851484CB004F94421ABF8C2" box="[1095,1154,1768,1792]" country="Germany" httpUri="http://grbio.org/cool/8syf-d21i" name="Museum für Naturkunde Berlin (Zoological Collections)" pageId="7" pageNumber="411" type="Museum">ZMB</collectionCode>
30283),
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:
<collectingRegion id="3C1DF81BC851484CB113F9442097F8C3" box="[1360,1470,1768,1793]" country="Vietnam" name="Cao Bang" pageId="7" pageNumber="411">Cao Bang</collectingRegion>
,
<collectingCounty id="17074E75C851484CB700F8A5269CF8E2" box="[835,949,1800,1824]" pageId="7" pageNumber="411">Ha Quang</collectingCounty>
,
<collectingMunicipality id="1E02AC83C851484CB781F8A52113F8E2" box="[962,1082,1801,1825]" pageId="7" pageNumber="411">Lung Nam</collectingMunicipality>
, a small stream runs along the road of
<location id="FB066022C851484CB727F8842105F882" LSID="urn:lsid:plazi:treatment:767087EFC8514841B7A0FA8421E7F897:FB066022C851484CB727F8842105F882" box="[868,1068,1832,1857]" country="Vietnam" county="Ha Quang" latitude="22.976109" longLatPrecision="1" longitude="106.06863" municipality="Lung Nam" name="Thin Tang village" pageId="7" pageNumber="411" stateProvince="Cao Bang">Thin Tang village</location>
,
<geoCoordinate id="9BED503EC851484CB079F88B21F2F882" box="[1082,1243,1831,1856]" degrees="22" direction="north" minutes="58" orientation="latitude" pageId="7" pageNumber="411" precision="1" seconds="33.99" value="22.976109">22°5833.99″N</geoCoordinate>
<geoCoordinate id="9BED503EC851484CB0A6F88B20ACF882" box="[1253,1413,1831,1856]" degrees="106" direction="east" minutes="04" orientation="longitude" pageId="7" pageNumber="411" precision="1" seconds="7.06" value="106.06863">106°047.06″E</geoCoordinate>
, coll.
<collectorName id="532C532FC851484CB700F8E526E8F8A2" box="[835,961,1865,1888]" pageId="7" pageNumber="411">Do Van Tu</collectorName>
,
<date id="8A671039C851484CB78EF8E4214BF8A2" box="[973,1122,1864,1889]" pageId="7" pageNumber="411" value="2017-05-25">
<collectingDate id="9A23E9D1C851484CB78EF8E4214BF8A2" box="[973,1122,1864,1889]" pageId="7" pageNumber="411" value="2017-05-25">25 May 2017</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="4EB13CA4C851484CB02EF8E421A0F7E2" accessionNumber="ZMB 30234" collectingDate="2017-04-03" collectionCode="ZMB" collectorName="Thomas von Rintelen &amp; Do Van Tu" country="Vietnam" latitude="20.350216" location="Cuc Phuong National Park" longLatPrecision="1" longitude="105.60324" pageId="7" pageNumber="411" specimenCount="2" specimenCount-female="2" stateProvince="Ninh Binh">
<taxonomicName id="39D94D7AC851484CB02EF8E420EDF8A3" authority="Dang" authorityName="Dang" authorityYear="1980" box="[1133,1476,1864,1889]" class="Malacostraca" family="Atyidae" genus="Caridina" kingdom="Animalia" order="Decapoda" pageId="7" pageNumber="411" phylum="Arthropoda" rank="species" species="cucphuongensis">
<emphasis id="CCADEAEBC851484CB02EF8E420A9F8A2" box="[1133,1408,1864,1888]" italics="true" pageId="7" pageNumber="411">Caridina cucphuongensis</emphasis>
Dang
</taxonomicName>
in
<bibRefCitation id="9A484B08C851484CB723F8C521ACF842" author="Dang NT &amp; Thai TB &amp; Pham VM" box="[864,1157,1896,1921]" pageId="7" pageNumber="411" refId="ref11413" refString="Dang NT, Thai TB &amp; Pham VM (1980) Dinh loai dong vat khong xuong song nuoc ngot Bac Vietnam [The indentities of freshwater invertebrates of North Vietnam]. Publishing House for Science and Technology, Ha Noi, Vietnam, 573 pp. [In Vietnamese]" type="book" year="1980">Dang, Thai &amp; Pham, 1980</bibRefCitation>
: male, cl
<quantity id="39219B1CC851484CB0B3F8C4206FF842" box="[1264,1350,1896,1920]" metricMagnitude="-3" metricUnit="m" metricValue="3.8" pageId="7" pageNumber="411" unit="mm" value="3.8">3.8 mm</quantity>
;
<specimenCount id="E8DFFD70C851484CB110F8C42097F842" box="[1363,1470,1896,1920]" pageId="7" pageNumber="411" type="female">2 females</specimenCount>
, cl
<quantity id="39219B1CC851484CB720F82426C3F862" box="[867,1002,1928,1952]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" metricValueMax="4.4" metricValueMin="4.2" pageId="7" pageNumber="411" unit="mm" value="4.3" valueMax="4.4" valueMin="4.2">4.24.4 mm</quantity>
(
<collectionCode id="98C8AE3CC851484CB7BFF8242111F862" box="[1020,1080,1928,1952]" country="Germany" httpUri="http://grbio.org/cool/8syf-d21i" name="Museum für Naturkunde Berlin (Zoological Collections)" pageId="7" pageNumber="411" type="Museum">ZMB</collectionCode>
30234),
<collectingCountry id="86CE7669C851484CB0E2F824202AF862" box="[1185,1283,1928,1952]" name="Vietnam" pageId="7" pageNumber="411">Vietnam</collectingCountry>
:
<collectingRegion id="3C1DF81BC851484CB152F82420A3F862" box="[1297,1418,1928,1952]" country="Vietnam" name="Ninh Binh" pageId="7" pageNumber="411">Ninh Binh</collectingRegion>
,
<location id="FB066022C851484CB1DBF824211EF802" LSID="urn:lsid:plazi:treatment:767087EFC8514841B7A0FA8421E7F897:FB066022C851484CB1DBF824211EF802" country="Vietnam" latitude="20.350216" longLatPrecision="1" longitude="105.60324" name="Cuc Phuong National Park" pageId="7" pageNumber="411" stateProvince="Ninh Binh">Cuc Phuong National Park</location>
, a small stream near the footpath to the one thousand year old tree (in Vietnamese name: chò),
<geoCoordinate id="9BED503EC851484CB706F84B26CCF7C2" box="[837,997,2023,2048]" degrees="20" direction="north" minutes="21" orientation="latitude" pageId="7" pageNumber="411" precision="1" seconds="0.779" value="20.350216">20°210.779″N</geoCoordinate>
<geoCoordinate id="9BED503EC851484CB7A9F84B218DF7C2" box="[1002,1188,2023,2048]" degrees="105" direction="east" minutes="36" orientation="longitude" pageId="7" pageNumber="411" precision="1" seconds="11.675" value="105.60324">105°3611.675″E</geoCoordinate>
, coll.
<collectorName id="532C532FC851484CB0A1F84420EDF7C2" box="[1250,1476,2024,2048]" pageId="7" pageNumber="411">Thomas von Rintelen</collectorName>
&amp;
<collectorName id="532C532FC851484CB722F7A526F6F7E2" box="[865,991,2057,2080]" pageId="7" pageNumber="411">Do Van Tu</collectorName>
,
<date id="8A671039C851484CB7AFF7A421A0F7E2" box="[1004,1161,2056,2080]" pageId="7" pageNumber="411" value="2017-04-03">
<collectingDate id="9A23E9D1C851484CB7AFF7A421A0F7E2" box="[1004,1161,2056,2080]" pageId="7" pageNumber="411" value="2017-04-03">03 April 2017</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<caption id="AAA66671C85E4843B432F83226EFF7C8" ID-DOI="http://doi.org/10.5281/zenodo.4576898" ID-Zenodo-Dep="4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="8" pageNumber="412" startId="8.[113,148,1950,1972]" targetBox="[115,1451,247,1935]" targetPageId="8">
<paragraph id="FE6636F9C85E4843B432F83226EFF7C8" blockId="8.[113,1451,1950,2058]" pageId="8" pageNumber="412">
Fig. 5.
<taxonomicName id="39D94D7AC85E4843B4FAF832247AF871" authority="Do &amp; Rintelen &amp; Dang, 2020" authorityName="Do &amp; Rintelen &amp; Dang" authorityYear="2020" box="[185,339,1950,1971]" class="Malacostraca" family="Atyidae" genus="Caridina" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="412" phylum="Arthropoda" rank="species" species="pacbo" status="sp. nov.">
<emphasis id="CCADEAEBC85E4843B4FAF832247AF871" box="[185,339,1950,1971]" italics="true" pageId="8" pageNumber="412">Caridina pacbo</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D79E5790C85E4843B522F83324F0F876" box="[353,473,1950,1972]" pageId="8" pageNumber="412" rank="species">new species</taxonomicNameLabel>
. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm.
</paragraph>
</caption>
<caption id="AAA66671C85F4842B4CBF83C2120F81D" ID-DOI="http://doi.org/10.5281/zenodo.4576900" ID-Zenodo-Dep="4576900" httpUri="https://zenodo.org/record/4576900/files/figure.png" pageId="9" pageNumber="413" startId="9.[136,171,1936,1958]" targetBox="[140,1475,290,1921]" targetPageId="9">
<paragraph id="FE6636F9C85F4842B4CBF83C2120F81D" blockId="9.[136,1475,1935,2015]" pageId="9" pageNumber="413">
Fig. 6.
<taxonomicName id="39D94D7AC85F4842B48CF83C244FF867" authority="Do &amp; Rintelen &amp; Dang, 2020" authorityName="Do &amp; Rintelen &amp; Dang" authorityYear="2020" box="[207,358,1936,1957]" class="Malacostraca" family="Atyidae" genus="Caridina" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="413" phylum="Arthropoda" rank="species" species="pacbo" status="sp. nov.">
<emphasis id="CCADEAEBC85F4842B48CF83C244FF867" box="[207,358,1936,1957]" italics="true" pageId="9" pageNumber="413">Caridina pacbo</emphasis>
</taxonomicName>
,
<taxonomicNameLabel id="D79E5790C85F4842B530F83C24C3F864" box="[371,490,1936,1958]" pageId="9" pageNumber="413" rank="species">new species</taxonomicNameLabel>
. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm.
</paragraph>
</caption>
<subSubSection id="B6C36572C85C4841B432FF1121E7F897" pageId="10" pageNumber="414" type="description">
<paragraph id="FE6636F9C85C4841B432FF1124FBFD37" blockId="10.[112,754,189,757]" pageId="10" pageNumber="414">
<emphasis id="CCADEAEBC85C4841B432FF11242AFF17" bold="true" box="[113,259,189,213]" pageId="10" pageNumber="414">Description.</emphasis>
Carapace length
<quantity id="39219B1CC85C4841B591FF112772FF16" box="[466,603,189,213]" metricMagnitude="-3" metricUnit="m" metricValue="5.25" metricValueMax="6.3" metricValueMin="4.2" pageId="10" pageNumber="414" unit="mm" value="5.25" valueMax="6.3" valueMin="4.2">4.26.3 mm</quantity>
(median
<quantity id="39219B1CC85C4841B68EFF1125B6FF37" metricMagnitude="-3" metricUnit="m" metricValue="5.2" pageId="10" pageNumber="414" unit="mm" value="5.2">5.2 mm</quantity>
). Rostrum slightly curved downwards, short, reaching beyond middle or close to end of basal segment of antennular peduncle, 0.250.36 (median 0.3) times as long as carapace, rostral formula: 512+26/03 (n = 8), teeth small (
<figureCitation id="66E22A7CC85C4841B687FE9125BFFEB7" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5A</figureCitation>
). Suborbital angle acute, completely fused with antennal spine; pterygostomian margin rounded (
<figureCitation id="66E22A7CC85C4841B65DFED1275DFE57" box="[542,628,381,405]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5A</figureCitation>
). Eyes well developed with globular cornea, anterior end reaching to 0.6 times length of basal segment of antennular peduncle (
<figureCitation id="66E22A7CC85C4841B687FE1125BEFE37" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5A</figureCitation>
). Antennular peduncle 0.350.62 (median 0.49) times as long as carapace; basal segment 1.381.67 (median 1.67) times as long as second segment, second segment 1.21.33 (median 1.33) times as long as third segment (
<figureCitation id="66E22A7CC85C4841B6C9FD9127CDFD97" box="[650,740,573,597]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5B</figureCitation>
). Stylocerite mostly reaching beyond the end of basal segment, sometimes to the middle of second segment of antennular peduncle (
<figureCitation id="66E22A7CC85C4841B4A5FD312417FD77" box="[230,318,669,693]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5B</figureCitation>
). Scaphocerite ovate, reaching beyond distal end of antennular peduncle, 2.643.13 (median 2.73) times as long as wide (
<figureCitation id="66E22A7CC85C4841B52CFD7124EFFD37" box="[367,454,733,757]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5C</figureCitation>
).
</paragraph>
<paragraph id="FE6636F9C85C4841B432FCB127C3FBB7" blockId="10.[113,753,797,1141]" pageId="10" pageNumber="414">
Sixth abdominal somite 0.370.51 (median 0.46) times length of carapace, 1.251.77 (median 1.4) times as long as fifth somite, 0.951.08 (median 1.0) times length of telson. Telson length 1.771.92 (median 1.91) times as long as proximal wide, distal margin round with median projection, with 45 pairs of dorsal spinules and one pair of dorso-subdistal spinules; distal end with four pairs of spines, lateral pair slightly longer than intermediate pairs (
<figureCitation id="66E22A7CC85C4841B43AFBB125DDFBF7" box="[121,244,1053,1077]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5D, E</figureCitation>
). Preanal carina high, with few setae, lacking a spine (
<figureCitation id="66E22A7CC85C4841B493FB91240CFB97" box="[208,293,1085,1109]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5F</figureCitation>
). Uropodal diaeresis with 1920 movable spinules, outermost one as long as lateral angle (
<figureCitation id="66E22A7CC85C4841B6C5FBF127F4FBB7" box="[646,733,1117,1141]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5G</figureCitation>
).
</paragraph>
<paragraph id="FE6636F9C85C4841B432FB312481F8F7" blockId="10.[112,754,1181,1845]" pageId="10" pageNumber="414">
Incisor process of mandible ending in one row of six irregular teeth, molar process truncated (
<figureCitation id="66E22A7CC85C4841B589FB11270AFB17" box="[458,547,1213,1237]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5H</figureCitation>
). Lower lacinia of maxillula broadly rounded, upper lacinia elongated, with a number of distinct teeth and setae on inner margin, palp short and stout with few simple setae at tip (
<figureCitation id="66E22A7CC85C4841B643FAB12760FAF7" box="[512,585,1309,1333]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5I</figureCitation>
). Upper endites of maxilla subdivided, palp short, scaphognathite tapering posteriorly, with numerous long, curved setae at posterior margin (
<figureCitation id="66E22A7CC85C4841B497FAD12401FA57" box="[212,296,1405,1429]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5J</figureCitation>
). Distal end of palp of first maxilliped triangular, with a short projection; flagellum of the exopod very elongated, endopod high, reaching 0.67 times length of the flagellum of exopod (
<figureCitation id="66E22A7CC85C4841B53EFA7124D8FA37" box="[381,497,1501,1525]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5K, L</figureCitation>
). Podobranch of second maxilliped incompletely reduce to a lamina with few fingerlike projections (
<figureCitation id="66E22A7CC85C4841B55EF9B1245DF9F7" box="[285,372,1565,1589]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5M</figureCitation>
). Third maxilliped reaching to end of antennular peduncle, ending in single terminal claw, exopod reaching to 0.3 times length of penultimate segment; ultimate segment as long as penultimate segment (
<figureCitation id="66E22A7CC85C4841B661F9D1275FF957" box="[546,630,1661,1685]" captionStart="Fig" captionStartId="8.[113,148,1950,1972]" captionTargetBox="[115,1451,247,1935]" captionTargetId="figure-13@8.[106,1462,246,1935]" captionTargetPageId="8" captionText="Fig. 5. Caridina pacbo, new species. A, holotype male, cl 4.2 mm (IEBRFS 003); BN, paratypes male, cl 4.3 mm (ZMB 30295). A, cephalothorax and cephalic appendages, lateral view; B, antennular peduncle; C, scaphocerite; D, telson; E, distal portion of telson; F, preanal carina; G, uropodal diaeresis; H, mandible; I, maxillula; J, maxilla; K, first maxilliped; L, distal end of palp of first maxilliped; M, second maxilliped; N, third maxilliped. Scale: AC, F = 1 mm; E, GN = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576898" httpUri="https://zenodo.org/record/4576898/files/figure.png" pageId="10" pageNumber="414">Fig. 5N</figureCitation>
). Branchial formula as is typical for genus, five pairs of pleurobranchs well developed; three pairs of arthrobranchs, two on third maxillipeds, with second pair strongly reduced in size, one pair on first pereopod; one pair of podobranchs on second maxilliped strongly reduced.
</paragraph>
<paragraph id="FE6636F9C85C4841B432F8F12060FB37" blockId="10.[112,752,1885,2069]" lastBlockId="10.[811,1453,189,1269]" pageId="10" pageNumber="414">
Epipod present on first four pereopods. First pereopod short, robust, reaching the end of basal segment of antennular peduncle; chela 2.072.40 (median 2.2) times as long as wide, 1.451.6 (median 1.5) times length of carpus; tips of fingers rounded, without hook; dactylus 0.750.95 (median 0.83) times as long as palm; carpus excavated anteriorly, 1.311.67 (median 1.5) times as long as wide, 0.750.88 (median 0.8) times length of merus; merus 2.753.8 (median 2.78) times as long as wide, 1.211.29 (median 1.25) times longer than chela, longer than ischium (
<figureCitation id="66E22A7CC85C4841B030FEB121F8FEF7" box="[1139,1233,285,309]" captionStart="Fig" captionStartId="9.[136,171,1936,1958]" captionTargetBox="[140,1475,290,1921]" captionTargetId="figure-8@9.[137,1475,284,1921]" captionTargetPageId="9" captionText="Fig. 6. Caridina pacbo, new species. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576900" httpUri="https://zenodo.org/record/4576900/files/figure.png" pageId="10" pageNumber="414">Fig. 6A</figureCitation>
). Second pereopod long, slender, reaching to end of antennular peduncle; chela 2.673.09 (median 2.82) times as long as wide, 0.770.86 (median 0.78) times length of carpus; tips of fingers rounded, without hook; dactylus 1.571.78 (median 1.67) times as long as palm; carpus 4.255.0 (median 4.89) times as long as wide, as long as merus; merus 5.05.86 (median 5.45) times as long as wide, longer than ischium (
<figureCitation id="66E22A7CC85C4841B144FE512075FDD7" box="[1287,1372,509,533]" captionStart="Fig" captionStartId="9.[136,171,1936,1958]" captionTargetBox="[140,1475,290,1921]" captionTargetId="figure-8@9.[137,1475,284,1921]" captionTargetPageId="9" captionText="Fig. 6. Caridina pacbo, new species. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576900" httpUri="https://zenodo.org/record/4576900/files/figure.png" pageId="10" pageNumber="414">Fig. 6B</figureCitation>
). Third pereopod slender, reaching beyond end of scaphocerite by its dactylus, terminating in one claw, with four or five accessory spines on flexor margin, dactylus 2.252.5 (median 2.47) times as long as wide (terminal claw and spines on flexor margin included), propodus 8.49.33 (median 8.98) times as long as wide, 3.894.2 (median 4.19) times as long as dactylus; carpus 4.715.54 (median 4.88) times as long as wide, 0.760.83 (median 0.78) times as long as propodus, 0.510.58 (median 0.54) times as long as merus; merus 5.566.36 (median 6.05) times as long as wide, bearing three strong, movable spines on posterior margin of outer surface; ischium with a small spinule (
<figureCitation id="66E22A7CC85C4841B039FCD121DDFC57" box="[1146,1268,893,917]" captionStart="Fig" captionStartId="9.[136,171,1936,1958]" captionTargetBox="[140,1475,290,1921]" captionTargetId="figure-8@9.[137,1475,284,1921]" captionTargetPageId="9" captionText="Fig. 6. Caridina pacbo, new species. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576900" httpUri="https://zenodo.org/record/4576900/files/figure.png" pageId="10" pageNumber="414">Fig. 6C, D</figureCitation>
). Fifth pereopod slender, reaching to end of second segment of antennular peduncle, dactylus 2.252.5 (median 2.47) times as long as wide (terminal claw and spines on flexor margin included), terminating in one large claw, with 2845 spinules on flexor margin; propodus 11.7812.57 (median 12.13) times as long as wide, 4.895.3 (median 4.90) times length of dactylus; carpus 4.04.6 (median 4.15) times as long as wide, 0.50.57 (median 0.54) times as long as propodus, 0.630.66 (median 0.64) times as long as merus; merus 5.065.47 (median 5.13) times as long as wide, bearing 34 strong, movable spines on posterior margin of outer surface (
<figureCitation id="66E22A7CC85C4841B089FB712015FB37" box="[1226,1340,1245,1269]" captionStart="Fig" captionStartId="9.[136,171,1936,1958]" captionTargetBox="[140,1475,290,1921]" captionTargetId="figure-8@9.[137,1475,284,1921]" captionTargetPageId="9" captionText="Fig. 6. Caridina pacbo, new species. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576900" httpUri="https://zenodo.org/record/4576900/files/figure.png" pageId="10" pageNumber="414">Fig. 6E, F</figureCitation>
).
</paragraph>
<paragraph id="FE6636F9C85C4841B76EFAB12681F917" blockId="10.[811,1452,1309,1749]" pageId="10" pageNumber="414">
Endopod of male first pleopod extending to 0.8 times exopod, rectangular in shape, anterior region folding backwards, 2.863.33 (median 3.09) times as long as proximal width, inner margin concave, outer margin slightly convex, rounded distally, long plumose setae on outer and distal margins, medium-length setae on inner margin; with appendix interna distinctly exceeding terminal margin of endopod (
<figureCitation id="66E22A7CC85C4841B10CFA71266DF9D7" captionStart="Fig" captionStartId="9.[136,171,1936,1958]" captionTargetBox="[140,1475,290,1921]" captionTargetId="figure-8@9.[137,1475,284,1921]" captionTargetPageId="9" captionText="Fig. 6. Caridina pacbo, new species. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576900" httpUri="https://zenodo.org/record/4576900/files/figure.png" pageId="10" pageNumber="414">Fig. 6G, H</figureCitation>
). Appendix masculina of male second pleopod slender, reaching to proximal 0.7 times endopod length, 8.0 times as long as distal width, rod-shaped, with some short spinules on outer surface and some long spinules on distal surface; appendix interna at the middle of appendix masculina, extending about 0.6 times length of appendix masculina (
<figureCitation id="66E22A7CC85C4841B776F91126B2F917" box="[821,923,1725,1749]" captionStart="Fig" captionStartId="9.[136,171,1936,1958]" captionTargetBox="[140,1475,290,1921]" captionTargetId="figure-8@9.[137,1475,284,1921]" captionTargetPageId="9" captionText="Fig. 6. Caridina pacbo, new species. Paratypes male, cl 4.3 mm (ZMB 30295). A, first pereopod; B, second pereopod; C, third pereopod; D, the same, dactylus; E, fifth pereopod; F, the same, dactylus; G, male first pleopod; H, endopod of male first pleopod; I, male second pleopod; J, appendix masculina and interna of male second pleopod. Scale: AJ = 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4576900" httpUri="https://zenodo.org/record/4576900/files/figure.png" pageId="10" pageNumber="414">Fig. 6I, J</figureCitation>
).
</paragraph>
<paragraph id="FE6636F9C85C4841B76EF95121E7F897" blockId="10.[813,1452,1789,1877]" pageId="10" pageNumber="414">
<emphasis id="CCADEAEBC85C4841B76EF95126A5F8D7" bold="true" box="[813,908,1789,1813]" pageId="10" pageNumber="414">Habitat.</emphasis>
This new species was found in a streamlet with mixed sand, gravel, and bedrock substratum, and clear flowing water from the forest (
<figureCitation id="66E22A7CC85C4841B03DF89121EBF897" box="[1150,1218,1853,1877]" captionStart="Fig" captionStartId="11.[136,171,684,706]" captionTargetBox="[136,775,189,668]" captionTargetId="figure-884@11.[136,775,189,668]" captionTargetPageId="11" captionText="Fig. 7. Habitat of Caridina pacbo, new species, in Pac Bo village, Truong Ha Commune, Ha Quang District, Cao Bang Province." figureDoi="http://doi.org/10.5281/zenodo.4576904" httpUri="https://zenodo.org/record/4576904/files/figure.png" pageId="10" pageNumber="414">Fig. 7</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>