357 lines
34 KiB
XML
357 lines
34 KiB
XML
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<mods:title id="2D29A785BB1F086A147EB894948DCE1D">The identity of Pseudecheneis sulcata (M'Clelland, 1842), with descriptions of two new species of rheophilic catfish (Teleostei: Sisoridae) from Nepal and China.</mods:title>
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<mods:namePart id="A74C9159FCBF4B6945204BA2C00AD8D0">Heok Hee Ng</mods:namePart>
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<mods:title id="8302BD4E9235B1FF890FAE9E72C1994D">Zootaxa</mods:title>
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<mods:part id="401E0BB13F4D5D8F6C5E53B8E51F64AD">
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<mods:date id="574DCB6961CA816C64A228048FB78E0C">2006</mods:date>
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<treatment id="4168AC04E208CE1E2BC763774C08A8E1" ID-DOI="http://doi.org/10.5281/zenodo.6261301" ID-GBIF-Taxon="100123956" ID-Zenodo-Dep="6261301" LSID="urn:lsid:plazi:treatment:4168AC04E208CE1E2BC763774C08A8E1" httpUri="http://treatment.plazi.org/id/4168AC04E208CE1E2BC763774C08A8E1" lastPageNumber="51" pageNumber="47">
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<subSubSection id="A80C286F3290337501930D3B7C5779E8" type="nomenclature">
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<paragraph id="249EC925AB6320E32EB70A7A4ED09F7E" pageNumber="47">
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<taxonomicName id="414B3C3155D828010D4B08C7251E5038" ID-CoL="4NLZ3" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcata">
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<pageStartToken id="E4C3C42DC94B2E51FDB38EC424648B79" pageNumber="47">Pseudecheneis</pageStartToken>
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sulcata (M’Clelland, 1842)
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="F7B073D67D7F01A8A400FDFD6CB25645" type="description">
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<paragraph id="8647BC6AB76327A881F4FC03535D0F94" pageNumber="47">(Fig. 1)</paragraph>
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</subSubSection>
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<subSubSection id="AF0087C2713EB1325EB19BCD2138C52C" type="reference_group">
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<paragraph id="EF745737DF341AE72D02E05D15B7B202" pageNumber="47">
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<taxonomicName id="A05A204B714183A1615071A8AFED4F17" LSID-ZBK="urn:lsid:zoobank.org:act:2C35CDA3-2A11-4ED3-9563-71C87D27C7AB" class="Actinopterygii" family="Sisoridae" genus="Glyptosternon" kingdom="Animalia" lsidName-ZBK="Glyptosternon sulcatus McClelland 1842:587" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcatus">Glyptosternon sulcatus M’Clelland, 1842</taxonomicName>
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: 587, pl. 6 figs. 1-3
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<materialsCitation id="F71F5F033FDF47168600682855D6FFB1" ID-GBIF-Occurrence="923902844" country="India" stateProvince="Meghalaya">
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(type locality: Kasyah [Khasi] Hills,
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<collectingRegion id="872DE01157EF253350522DF1C6902515">Meghalaya</collectingRegion>
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,
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<collectingCountry id="740D7269A988A14E5CE0A3FC802D589E">India</collectingCountry>
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)
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</materialsCitation>
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</paragraph>
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<paragraph id="B1AEE00D7387C1FFE8369CC37E749FE0" pageNumber="47">
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<taxonomicName id="F7F51E4FAE0921E32EBDF853F73CA32F" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcatus">Pseudecheneis sulcatus</taxonomicName>
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Blyth, 1860: 154;
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<normalizedToken id="9BB0D994A4CAD305ED3B4641183711A1" originalValue="Günther">Guenther</normalizedToken>
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, 1864: 264; Day, 1877: 500, Pl. CXVI Fig. 1; 1889: 107, Fig. 44; Hora, 1923: 44, Pl. IV Fig. 1; Shaw & Shebbeare, 1938: 106, Figs. 109-110, Pl. 3 Fig. 12; Misra, 1976: 310, Pl. XV Fig. 6 (in part); Jayaram, 1979: 57 (in part); 1981: 268 (in part); 1999: 300, Fig. 154 (in part); Wu et al., 1981: 75; Sen, 1985: 167, Fig. 86; 1992: 202, Fig. 74; 1995: 577, Pl. XXXII Fig. 1; Talwar & Jhingran, 1991: 679 (in part); Wu & Wu, 1992: 534, Fig. 147; Zhang et al., 1995: 131, Fig. 58-1; Kundu, 2000: 100; Nath & Dey, 2000: 120, Fig. 107, Pl. 6 - 2.
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</paragraph>
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</subSubSection>
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<subSubSection id="7BE594C6594C517FA5D06BB6D1EDD28F" type="materials_examined">
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<paragraph id="94D67FB4AE755163079398537CF0D083" pageNumber="47">Material examined</paragraph>
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<paragraph id="BBDAF34FCFD8F64FA756F5B3DB3C1634" pageNumber="47">
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<materialsCitation id="C2640831720FB8F7A5AF2F8AE2412CF4" ID-GBIF-Occurrence="923902851" country="India" stateProvince="Meghalaya">
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<collectionCode id="798E30392A0B3098E1E030D47E1A4971">BMNH</collectionCode>
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1870.11.30.56 (3), 99.8-129.0 mm SL
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</materialsCitation>
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;
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<materialsCitation id="F3D9CACDA870A3FDD65C258D1544811E" ID-GBIF-Occurrence="923902848" country="India" stateProvince="Meghalaya">
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<collectionCode id="03CB80356088CE0C69130467772BA555">BMNH</collectionCode>
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1889.2.1.2718-2719 (2), 60.9-89.8 mm SL
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</materialsCitation>
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;
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<materialsCitation id="72260D22E0AACBE4934539F7334A0AAA" ID-GBIF-Occurrence="923902841" country="India" stateProvince="Meghalaya">
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<collectionCode id="EC13B7C74E7D1618C27CBF3078972372">ZMA</collectionCode>
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121.861 (1), 87.8 mm SL;
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<collectingCountry id="07ECC688F9D0403B6E3EF857BB960424">India</collectingCountry>
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:
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<collectingRegion id="66B9177700A66989D32D51762D206C45">Meghalaya</collectingRegion>
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, Khasi Hills (Brahmaputra River drainage)
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</materialsCitation>
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.
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<materialsCitation id="0897ACB49A81E8B5A04EE18AA14CB678" ID-GBIF-Occurrence="923902849" country="India" stateProvince="Meghalaya">
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<collectionCode id="E6B93F0F379BD7A1C968A73166671DDB">BMNH</collectionCode>
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1928.9.17.5 (1), 83.8 mm SL;
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<collectingCountry id="E34D86BF38175AF0A0A25F28C708EC69">India</collectingCountry>
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:
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<collectingRegion id="9E36BE89D12D2B20B97DEBF81F508993">Meghalaya</collectingRegion>
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, Khasi Hills, Nong Priang stream (Brahmaputra River drainage)
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</materialsCitation>
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.
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<materialsCitation id="3BC8206C2A29D9D5DC3C40329C0E99D3" ID-GBIF-Occurrence="923902839" country="India" stateProvince="West Bengal">
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<collectionCode id="4301AB2155F6AA243A35427294B79591">UMMZ</collectionCode>
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243677 (10) 46.6-118.1 mm SL;
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<collectingCountry id="67B7B66AE48964BC0D1AE9DA0267E401">India</collectingCountry>
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:
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<collectingRegion id="DAC29AA8DB3EB699103018C8B1672987">West Bengal</collectingRegion>
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, Rishi Khola (River) at Rishi (on W Bengal-Sikkim border) (Brahmaputra River drainage), 27°9’56.0"N 88°38’7.0"E
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</materialsCitation>
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.
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<materialsCitation id="8520AB3B8BEF48C58D93B068AE0FC40A" ID-GBIF-Occurrence="923902846" country="India" stateProvince="Meghalaya">
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<collectionCode id="8D0879E904573965C5F3B3D9A63A9AB6">ZMA</collectionCode>
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121.862 (1), 55.2 mm SL;
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<collectingCountry id="7090F8268E145F2FBD98984715D12A03">India</collectingCountry>
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:
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<collectingRegion id="8B1204B2590787E3EE3A84655862236D">Meghalaya</collectingRegion>
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, Nong Priang stream below Cherrapunji (Brahmaputra River drainage)
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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="4157BAAC3D65600DBF17783266735D00" type="diagnosis">
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<paragraph id="49E6E1C95C76D52CE513A9F2EC0275F1" pageNumber="47">Diagnosis</paragraph>
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<paragraph id="EF8F031CAF4714ADEB7A892BB8243640" pageNumber="47">
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<taxonomicName id="7C3B4CDF13CB97A259C9D2B8D0D4D060" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcata">Pseudecheneis sulcata</taxonomicName>
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is distinguished from congeners except
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<taxonomicName id="4E39B720AAF0CBDC30CA51EE0193C28C" LSID-ZBK="urn:lsid:zoobank.org:act:31513E00-E57B-4618-A71C-41681FF7E329" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis paviei Vaillant 1892:126 [2]" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="paviei">P. paviei</taxonomicName>
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,
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<taxonomicName id="37F2239D493990A0EA330EB6B925C3D5" LSID-ZBK="urn:lsid:zoobank.org:act:CEBC96E6-EC0E-4B79-B0E1-C693E445CD64" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis sulcatoides Zhou & Chu 1992:111 [115]" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcatoides">P. sulcatoides</taxonomicName>
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, and
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<taxonomicName id="6BB8605A91C87E50E4F172E4FA2058BE" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sympelvica">P. sympelvica</taxonomicName>
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in lacking a prominent bony spur on the anterodorsal surface of the first dorsal-fin pterygiophore (vs. spur present; Fig. 2).
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<taxonomicName id="44C646021CC4C22EAF0CBFDDDF6BF84F" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcata">Pseudecheneis sulcata</taxonomicName>
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can be distinguished from
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<taxonomicName id="7E546B0A4A27970EDE3B6D79759CEAB7" LSID-ZBK="urn:lsid:zoobank.org:act:31513E00-E57B-4618-A71C-41681FF7E329" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis paviei Vaillant 1892:126 [2]" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="paviei">P. paviei</taxonomicName>
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and
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<taxonomicName id="A9DC2493A1F0A41C680F4B2DEA3C4A6A" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sympelvica">P. sympelvica</taxonomicName>
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in having an elongate body with 36-39 vertebrae (vs. short body with 33-35 vertebrae) and 12-14 (vs. 8-12) transverse laminae on the thoracic adhesive apparatus, and further differs from
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<taxonomicName id="F57ECE1BE2B7CA9DAAD27C7751ECD0CB" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sympelvica">P. sympelvica</taxonomicName>
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in having separate (vs. fused) pelvic fins. It differs from
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<taxonomicName id="938490E91FA62BB697FAA98C86735751" LSID-ZBK="urn:lsid:zoobank.org:act:CEBC96E6-EC0E-4B79-B0E1-C693E445CD64" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis sulcatoides Zhou & Chu 1992:111 [115]" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcatoides">P. sulcatoides</taxonomicName>
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in having a longer caudal peduncle (25.0-28.3% SL vs. 22.5-23.7), a first dorsal-fin element (vs. element absent), and bifid (vs. non-bifid) neural spines on the complex vertebra.
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<taxonomicName id="5412243B8ED86F38B148FD52DDAA3638" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="sulcata">Pseudecheneis sulcata</taxonomicName>
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can be further distinguished from
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<taxonomicName id="41F73F46E9179472C98DC993BA53E9B1" LSID-ZBK="urn:lsid:zoobank.org:act:C280D1E1-5F99-419A-94EC-8709045672E0" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis crassicauda Ng & Edds 2005" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="crassicauda">P. crassicauda</taxonomicName>
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in having a more slender caudal peduncle (4.0-5.2% SL vs. 6.0-6.6) and larger eye (8.8-10.6% HL vs. 7.5-8.3), from
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<taxonomicName id="539BB5E67C03D600BA10EA7D37CAA696" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="eddsi">P. eddsi</taxonomicName>
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in having a longer pelvic fin (21.2-28.7% SL vs. 18.0-20.9), from
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<taxonomicName id="811E79274F9A69A67D92426271A7C7A9" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="immaculata">P. immaculata</taxonomicName>
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in having (vs. lacking) pale colored patches on the body and shorter adipose-fin base (17.8-22.7% SL vs. 27.7), and from
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<taxonomicName id="D090F47E0027252C6206E6BC28373C4A" LSID-ZBK="urn:lsid:zoobank.org:act:175A3E4F-DFFE-405A-A858-8920376B267D" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis serracula Ng & Edds 2005" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="serracula">P. serracula</taxonomicName>
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in having a shorter adipose-fin base (17.8-22.7% SL vs. 26.8-30.4) and the neural spines of the last 2-3 preanal and first 6-7 postanal vertebrae gradually increasing in height (vs. corresponding neural spines strongly elevated). It further differs from
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<taxonomicName id="295280D62D90513B41D9D773C2E461BF" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="stenura">P. stenura</taxonomicName>
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in having a shorter caudal peduncle (25.0-28.3% SL vs. 30.3-34.5) and pectoral fin (121.6-156.3% HL vs. 160.4-196.9), and from
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<taxonomicName id="FF9AE659A10F3341F5F05971F178EFF5" LSID-ZBK="urn:lsid:zoobank.org:act:DB70F0B4-4FB7-4148-A6B4-CC37F69F7DF1" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis tchangi Hora 1937:348" order="Siluriformes" pageNumber="47" phylum="Chordata" rank="species" species="tchangi">P. tchangi</taxonomicName>
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in having fewer transverse lamellae (12-14 vs. 21) on the thoracic adhesive apparatus.
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</paragraph>
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</subSubSection>
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<subSubSection id="291C25FB8A47175A713D4D6B6D4CE2CF" type="description">
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||
<paragraph id="6BD403D474C4E33B36FF1BF79B5488EB" pageNumber="48">
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<pageStartToken id="97FA0B2FD6DC7B211CA50FEA101120FE" pageNumber="48">Description</pageStartToken>
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</paragraph>
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<paragraph id="3E1105695AEF81C6885237EC366EAEA1" pageNumber="48">Morphometric data as in Table 1. Head and abdominal region narrow and strongly depressed. Dorsal profile rising gently from tip of snout to origin of dorsal fin, then almost horizontal or sloping very gently ventrally to end of caudal peduncle. Ventral profile horizontal to anal-fin base, then sloping very gently dorsally to end of caudal peduncle. Caudal peduncle slender, long, and moderately compressed. Anus and urogenital openings located at posteriormost extent of pelvic fin. Skin smooth, tuberculate in some areas. Lateral line complete and midlateral. Vertebrae 18+18=36 (2), 18+19=37 (7), 19+18=37 (1), 18+20=38 (2), 19+19=38 (3), 19+20=39 (2), or 20+19=39 (1).</paragraph>
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<paragraph id="52211C8D44193C569D0728619A73EFAE" pageNumber="48">Head acutely rounded when viewed from above. Snout gently convex when viewed laterally. Gill openings moderate, extending from posttemporal region to base of first pectoral-fin element. Head covered with thick, tuberculate skin. Ventral surface of head with unculiferous collar on distal margin of branchiostegal membrane immediately anterior to thoracic adhesive apparatus.</paragraph>
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<paragraph id="4D1622B98F38A36D0575368798ED9B1F" pageNumber="48">Thoracic adhesive apparatus consisting of 12-14 transverse ridges (laminae) separated by grooves (sulcae); ridges frequently not meeting at midline of adhesive apparatus. Adhesive apparatus extending from immediately posterior to collar on distal margin of branchiostegal membrane to level of last pectoral-fin ray.</paragraph>
|
||
<paragraph id="9D3DB743B15FEA174E6A05E274E8526C" pageNumber="48">Barbels flattened, and in four pairs. Maxillary barbel with ventral surface densely covered with papillae, and pointed tip; barbel extending about two-thirds of distance between its base and base of first pectoral-fin element. Distal half of barbel attached to snout via large, thin flap of skin. Nasal barbel with small flap of thin skin fringing posterior margin and extending midway to distance between posterior nares and anterior orbital margin. Inner mandibular-barbel densely covered with papillae; origin close to midline, extending to collar on distal margin of branchiostegal membrane. Outer mandibular barbel originates posterolateral of inner mandibular barbel, extending to level of anterior orbital margin. Eye small and almost rounded, subcutaneous and located on dorsal surface of head.</paragraph>
|
||
<paragraph id="76E642A514AB03CF01E980E8141CEE75" pageNumber="48">Mouth inferior, with moderately broad, thin papillate lips. Rictal lobe large and papillate. Premaxillary tooth band not exposed when mouth is closed. Premaxillary teeth short and conical, arranged in irregular rows on a moderately large quadrangular patch. Dentary teeth long, thin, and somewhat rounded at tip; arranged in irregular rows on two separated, roughly triangular patches.</paragraph>
|
||
<paragraph id="56330229B47EF28DF3E595F1E33610E7" pageNumber="48">Dorsal-fin origin located at point through anterior third of body. First and second dorsal fin-ray elements not ossified, bearing i,6 (18) rays, and fin margin straight. Adipose fin with short base, approximately 1.5 to 2 times of anal-fin base length; located in middle third of postdorsal region. Adipose fin margin gently convex; posterior end deeply incised. Caudal fin forked, with i,7,8,i (18) principal rays; procurrent rays symmetrical and extend only slightly anterior to fin base. Anal fin with short base extending approximately equal to adipose fin-base length and iii,8 (1), iv,7 (9), or iv,8 (8) rays. Anal fin margin almost straight.</paragraph>
|
||
<caption id="C2FB9C5E7A19E5CC719F516CA30A232C">
|
||
<paragraph id="27E4F74D3A9F739E44A62E581F9F2BDD" pageNumber="49">
|
||
<pageStartToken id="CD8E4974777B74BBBA80B5FF122F23B5" pageNumber="49">TABLE</pageStartToken>
|
||
1. Biometric data for
|
||
<taxonomicName id="4AF19E8742244C9E21F0C7F8AEFAB30F" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="49" phylum="Chordata" rank="species" species="sulcata">Pseudecheneis sulcata</taxonomicName>
|
||
(n=18)
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="FBD648EEE452A69A6EEA236AA00B80DF">
|
||
<table id="4E79F90F2D87F102F61F0A996DD97C35" border="0" frame="box" pageNumber="49" rules="all">
|
||
<tr id="F94B7356870A1F43713719AC96CCC946" pageNumber="49">
|
||
<td id="69DD1E072F3E7C12BCA9A9C1D6AC3AEE" pageNumber="49">Range</td>
|
||
<td id="FDE8DFCE3D5E9498003A59445EEC81C7" pageNumber="49">Mean±SD</td>
|
||
</tr>
|
||
<tr id="D78208154EA0859C3320928200E179B2" pageNumber="49">
|
||
<td id="5D6E3A21FDB733BC2CC5298A8AD53EF1" pageNumber="49">% SL</td>
|
||
</tr>
|
||
<tr id="B89493EF85C137A2B3356A4BD906F3C2" pageNumber="49">
|
||
<td id="DFA289D7318E874138292FFC5B825F78" pageNumber="49">Predorsal length</td>
|
||
<td id="01C52FF27858251235BADEBF11EDD020" pageNumber="49">32.0-35.8</td>
|
||
<td id="6194EA45E8D15E5A5BB858933E23E7A6" pageNumber="49">33.9±1.11</td>
|
||
</tr>
|
||
<tr id="F113BCB043A16171FEA346824ECB3D7C" pageNumber="49">
|
||
<td id="3FE0B39F6642350E79484F15C2BDFDCB" pageNumber="49">Preanal length</td>
|
||
<td id="8C861E83E73E59947206130E065DEF25" pageNumber="49">58.0-65.7</td>
|
||
<td id="09EC950A84DA9D6A34B309648BCD87B6" pageNumber="49">60.8±2.05</td>
|
||
</tr>
|
||
<tr id="A9F40021C719ED4E922393849F09FB00" pageNumber="49">
|
||
<td id="FE301FB0762D29B3F65CE2D3B6E8691D" pageNumber="49">Prepelvic length</td>
|
||
<td id="FFC5462BC6454A21A661887D43FD9877" pageNumber="49">34.7-47.8</td>
|
||
<td id="CF7142D059C7579756AEC8783E60E318" pageNumber="49">37.9±2.96</td>
|
||
</tr>
|
||
<tr id="BEB0B3C17AE306F48B5008DDF356406A" pageNumber="49">
|
||
<td id="330B38D02D94FC6172A2F67AD3E5948D" pageNumber="49">Prepectoral length</td>
|
||
<td id="34834016FB0000C22BAF37A84540AE23" pageNumber="49">13.9-20.2</td>
|
||
<td id="B82C654F973EB229A93BC66AB4269BA7" pageNumber="49">16.7±1.82</td>
|
||
</tr>
|
||
<tr id="F7DF9CFBC27C784CA26A4ACD6C164147" pageNumber="49">
|
||
<td id="681AA43A068FC606420E0E8EF3745842" pageNumber="49">Length of dorsal-fin base</td>
|
||
<td id="1CFF6E7831E6F0CD859C62FFED8740C9" pageNumber="49">10.0-13.7</td>
|
||
<td id="AF7589D8B0D727417CBF9237C3634F63" pageNumber="49">12.1±1.06</td>
|
||
</tr>
|
||
<tr id="F376B35D26634FABDA95B48294B57ED9" pageNumber="49">
|
||
<td id="107513E3E549D78A89880313316DAFA5" pageNumber="49">Anal-fin length</td>
|
||
<td id="CCF4DED02A8EBD2632D880FF1D59DDDC" pageNumber="49">11.9-14.2</td>
|
||
<td id="1E324B933A5F5C21EAB7137BDE95F6AE" pageNumber="49">13.1±0.70</td>
|
||
</tr>
|
||
<tr id="4D0822E2C05BC60F721E625917E83658" pageNumber="49">
|
||
<td id="40E158B8143DB013BF3119CC300437A2" pageNumber="49">Pelvic-fin length</td>
|
||
<td id="C1DE6C2143F53E79BD59667786AC1DE7" pageNumber="49">21.2-28.7</td>
|
||
<td id="C31885C20413376375F5C4B378B38291" pageNumber="49">23.1±1.80</td>
|
||
</tr>
|
||
<tr id="06078E2AE7A6656812B67C21B3F00F2D" pageNumber="49">
|
||
<td id="A811B4DE807B33436A9E60809C06ECED" pageNumber="49">Pectoral-fin length</td>
|
||
<td id="6B36213948B6C9830A9EB0C6C11C72C5" pageNumber="49">19.7-28.5</td>
|
||
<td id="CAE9C5FE76E1373FEAE22D7BA971BAF8" pageNumber="49">25.9±2.58</td>
|
||
</tr>
|
||
<tr id="2E0490BE1D4C6ECC41B7BF596ED90937" pageNumber="49">
|
||
<td id="C6E66DF335E11F78251A4733F11A2A3B" pageNumber="49">Caudal-fin length</td>
|
||
<td id="F2B2DAED7B52B54BEBEA701B9E3235E8" pageNumber="49">19.0-25.5</td>
|
||
<td id="28B6FE7930AC07CB7FBD9CD1117B5CF3" pageNumber="49">22.3±1.61</td>
|
||
</tr>
|
||
<tr id="CAEC8150385580C2105F49710AB7AB0B" pageNumber="49">
|
||
<td id="68B19F4C1B65C40CD9E87A6A7E02E686" pageNumber="49">Length of adipose-fin base</td>
|
||
<td id="44892A5BE2692163EE8611B5BDA0F695" pageNumber="49">17.8-22.7</td>
|
||
<td id="2E1D783BE088593534DC2352FEB778F6" pageNumber="49">21.0±1.24</td>
|
||
</tr>
|
||
<tr id="014D73FBD20B7D7B0C13A208B9EB702F" pageNumber="49">
|
||
<td id="5B704C38EF4AF7964682FD6BA8DA334E" pageNumber="49">Dorsal to adipose distance</td>
|
||
<td id="57AE7729D500FC2B6C038A2361820826" pageNumber="49">14.2-21.4</td>
|
||
<td id="638D056962FCF60B74EACD7BD087111A" pageNumber="49">18.6±1.84</td>
|
||
</tr>
|
||
<tr id="7C927C7FF23BB1156E9E052D135D7760" pageNumber="49">
|
||
<td id="680FB23C83694E29BAD4847B7358FAD4" pageNumber="49">Post-adipose distance</td>
|
||
<td id="B61361C6C6BC4910DA77BF8682A05049" pageNumber="49">16.1-22.2</td>
|
||
<td id="A081737A1E3F1975F5291DEA9C06F75C" pageNumber="49">18.9±1.33</td>
|
||
</tr>
|
||
<tr id="17433089FB7537DA8E71EDA046C270CD" pageNumber="49">
|
||
<td id="8AA9DB57396B8F9419850F203F0DFE61" pageNumber="49">Caudal peduncle length</td>
|
||
<td id="44E965A75427A6CA5CBE33CD24AA5541" pageNumber="49">25.0-28.3</td>
|
||
<td id="63C33D839E7D057AD5B2C79E104AEBDD" pageNumber="49">26.8±0.93</td>
|
||
</tr>
|
||
<tr id="C34869E9D749A4808EE4DF1290D7CC5B" pageNumber="49">
|
||
<td id="6AC7703FBF0B6DA1182FC261D1A3147F" pageNumber="49">Caudal peduncle depth</td>
|
||
<td id="4CDDBB8C8EE9159C92BCEEF9EA7C8C22" pageNumber="49">4.0-5.2</td>
|
||
<td id="6BAA7E6E7213D93A01B1A8359AA3FB23" pageNumber="49">4.5±0.38</td>
|
||
</tr>
|
||
<tr id="B22648DB628CE66A50767062EFA627E2" pageNumber="49">
|
||
<td id="13A0CAA40A597A5ABFA403049920A73E" pageNumber="49">Body depth at anus</td>
|
||
<td id="C25E7BBC8A11FD97A999A959EA5CE719" pageNumber="49">11.8-16.2</td>
|
||
<td id="8E5E233E45D0A733CFAD022DCADB1C57" pageNumber="49">13.9±1.43</td>
|
||
</tr>
|
||
<tr id="BD42764219936FE6A10A95E316C1FD6F" pageNumber="49">
|
||
<td id="EC5A476D95F55E412C2CCFD030227272" pageNumber="49">Head length</td>
|
||
<td id="CDD50045264D74D9AC0535D0C238A3A3" pageNumber="49">17.5-20.2</td>
|
||
<td id="D2125D4E4136CB7EE1C0F725F7750F88" pageNumber="49">18.8±0.90</td>
|
||
</tr>
|
||
<tr id="0E1DA5EA04779C6FAC2A2B93A3849183" pageNumber="49">
|
||
<td id="F049D8F9DD514E968DC55BCB222481F3" pageNumber="49">Head width</td>
|
||
<td id="93EC873F1E2EC5CB12752C0EEBEC58D5" pageNumber="49">13.8-19.6</td>
|
||
<td id="C54A5492A2B8821445DB421C21F27BE7" pageNumber="49">17.0±1.47</td>
|
||
</tr>
|
||
<tr id="069958C6E35256EDAB48BF6591582153" pageNumber="49">
|
||
<td id="272DD95F18F2C3976863E87DEFB96FDE" pageNumber="49">Head depth</td>
|
||
<td id="3DCA150B526835619366D2D4517B4596" pageNumber="49">10.1-13.9</td>
|
||
<td id="171619D69BFEBD04D60531B21B094E0C" pageNumber="49">12.4±1.15</td>
|
||
</tr>
|
||
<tr id="6933DF329A80FFF3D5FA9B7BEDEE510A" pageNumber="49">
|
||
<td id="5D781CB13AB16EBA1430E02E52CEE2D2" pageNumber="49">% HL</td>
|
||
</tr>
|
||
<tr id="4156968F5611095E33984A342154DEE0" pageNumber="49">
|
||
<td id="6F57D8FE6E1E3ABFD89CE266E6EF5630" pageNumber="49">Snout length</td>
|
||
<td id="C1489B32DEE19401923D1064CD80DA04" pageNumber="49">57.5-69.7</td>
|
||
<td id="1C88433529F570F67DCD3025C2ED4C35" pageNumber="49">64.3±3.43</td>
|
||
</tr>
|
||
<tr id="E973437D3AE1CE909654F5CFE2909E05" pageNumber="49">
|
||
<td id="86F94B46C5E4DC50E095B8D8618F2673" pageNumber="49">Interorbital distance</td>
|
||
<td id="0B5582B3221511C3E4B6FF657F167913" pageNumber="49">25.4-37.5</td>
|
||
<td id="E2EA4BAD3FFBD0FC2692E2E93978E670" pageNumber="49">30.9±3.41</td>
|
||
</tr>
|
||
<tr id="1E44408C9D72DF0F8DAA2718C9330EE9" pageNumber="49">
|
||
<td id="80386982580C3B9DEDB81C0922D23118" pageNumber="49">Eye diameter</td>
|
||
<td id="9D31E1C8BEC1205220ECA4AE00BF1CBF" pageNumber="49">8.8-10.6</td>
|
||
<td id="9C9865900410317864CBFA8435EBF330" pageNumber="49">9.6±0.49</td>
|
||
</tr>
|
||
<tr id="6D6881BEF1812884EAAD07904A681E43" pageNumber="49">
|
||
<td id="7EDF5E60BD8681A9CCE66F98A2DA26C7" pageNumber="49">Nasal barbel length</td>
|
||
<td id="4E555CF064C9F571D992A1A2B3D55382" pageNumber="49">13.8-28.2</td>
|
||
<td id="5B3D035127D6C754E3FC8ABE021E39A7" pageNumber="49">21.4±4.05</td>
|
||
</tr>
|
||
<tr id="5240EC9B0E2C32618DB9C30BF0C8A7E0" pageNumber="49">
|
||
<td id="8085B8A58FB37CD6B8574E059E4394CB" pageNumber="49">Maxillary barbel length</td>
|
||
<td id="E016334EC5967BD110BC4713513FFA09" pageNumber="49">40.4-61.1</td>
|
||
<td id="4E6E2C97C37E8FF7651F135F3681C4CB" pageNumber="49">50.6±6.66</td>
|
||
</tr>
|
||
<tr id="BE27BA75FA346423B6AFF1EC709544E2" pageNumber="49">
|
||
<td id="74D2DD6DC4A7F71E37D702F3BA62C354" pageNumber="49">Inner mandibular barbel length</td>
|
||
<td id="A5E9C0F18052B950A8271F861DA92979" pageNumber="49">12.9-20.6</td>
|
||
<td id="FBF21085D20DC781BEE31A717E61E196" pageNumber="49">16.9±2.27</td>
|
||
</tr>
|
||
<tr id="E0BA1AA6F83D8B9895364364FBFB59FD" pageNumber="49">
|
||
<td id="95BABA6F4B664C5941084562698AD3B7" pageNumber="49">Outer mandibular barbel length</td>
|
||
<td id="6DA1410E4E2975361175B96C5DCE65A9" pageNumber="49">20.0-35.4</td>
|
||
<td id="B7FED7F5ED9B9F121DEF067C9C225D46" pageNumber="49">26.6±3.47</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph id="301114CED30CA31518FD67B8D74F65BB" pageNumber="49">Pelvic-fin origin at vertical through second or third dorsal fin-ray base. Pelvic fin greatly enlarged, extending to base of first anal-fin ray. Anterior fin margin strongly convex, first element broadened and with regular striae on ventral surface; with i,5 (18) rays. Pectoral fin greatly enlarged and with convex anterior margin, reaching to just beyond pelvic-fin base. First element not ossified, broadened and with regular striae on ventral surface; fin with i,12 (9) or i,13 (9) rays.</paragraph>
|
||
<caption id="FFC0B837E82B407D97A531F20F451EAB">
|
||
<paragraph id="A7ADD0436E891E7A3E70B1690AB20B64" pageNumber="50">
|
||
<pageStartToken id="5D72B7B84B903304851F38CAAD86039D" pageNumber="50">FIGURE</pageStartToken>
|
||
1.
|
||
<taxonomicName id="B105AB1869CAD7BF01F83A7A2D548EBA" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="50" phylum="Chordata" rank="species" species="sulcata">Pseudecheneis sulcata</taxonomicName>
|
||
, BMNH 1928.9.17.5, 83.8 mm SL; India: Nong Priang stream. Dorsal, lateral and ventral views.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8A36EC6D509E15DA6DBD85276497D28F" pageNumber="50">Coloration</paragraph>
|
||
<paragraph id="CF5DAED65365F1FDD148FC91C5E0FEAA" pageNumber="50">In 70% ethanol: chestnut brown on dorsal and lateral surfaces of head and body, fading to very light brown on ventral region. Dorsal surface of head and body with distinctive series of small, very light brown spots and bands: one ovate spot on base of first dorsal-fin ray, and another pair on each side of body immediately posterior to last dorsal-fin ray; one band on each side of body at adipose-fin origin, and another on caudal peduncle at base of caudal fin. Dorsal and anal fins hyaline, with brown base and brown subdistal band; brown coloration of base and subdistal band connected to each other at anterior third of fin. Adipose fin light brown, with lighter color around distal edge, especially at posterior end of fin. Caudal fin brown, with hyaline distal margin. Dorsal surfaces of pectoral and pelvic fins brown, ventral surfaces light yellow. Maxillary and nasal barbels brown dorsally and light yellow ventrally.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="7F6B3C767C3FCFC530A02CD0237271EB" type="multiple">
|
||
<caption id="462042D8F8E7C12E8DC767A5AFE65D24">
|
||
<paragraph id="DF7B8C0F881CE35D43F515A21C40D1A2" pageNumber="51">
|
||
<pageStartToken id="131DC2F58D6E60CD8CD072A80DB398EF" pageNumber="51">FIGURE</pageStartToken>
|
||
2. Lateral views of first dorsal fin pterygiophore: a. without bony spur on anterodorsal surface; condition seen in
|
||
<taxonomicName id="8307FCD7566F1F2367EF38964476AD63" LSID-ZBK="urn:lsid:zoobank.org:act:31513E00-E57B-4618-A71C-41681FF7E329" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis paviei Vaillant 1892:126 [2]" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="species" species="paviei">Pseudecheneis paviei</taxonomicName>
|
||
,
|
||
<taxonomicName id="965826E3B71930A43637EFAC2E0030D5" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="species" species="sulcata">P. sulcata</taxonomicName>
|
||
,
|
||
<taxonomicName id="D53D9DB27BF52ACF09CB8E64C6FBD049" LSID-ZBK="urn:lsid:zoobank.org:act:CEBC96E6-EC0E-4B79-B0E1-C693E445CD64" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis sulcatoides Zhou & Chu 1992:111 [115]" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="species" species="sulcatoides">P. sulcatoides</taxonomicName>
|
||
and
|
||
<taxonomicName id="3CBA5AF8F85BB66404C59862B18BD75C" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="species" species="sympelvica">P. sympelvica</taxonomicName>
|
||
(
|
||
<taxonomicName id="54922BF1D50870721A951AA9B486312C" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="species" species="sulcata">P. sulcata</taxonomicName>
|
||
, UMMZ 243677, 83.8 mm SL illustrated), and b. with bony spur on anterodorsal surface; condition seen in all other
|
||
<taxonomicName id="C219E096901089CEF5FC788D27689CF9" LSID-ZBK="urn:lsid:zoobank.org:act:0A1502AF-3B84-4BA1-95C1-C24D72CCC5EE" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis Blyth 1860:154" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="genus">Pseudecheneis</taxonomicName>
|
||
species (
|
||
<taxonomicName id="04B8EBC7DFA9AF157DD06910F7BAB350" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="species" species="stenura">P. stenura</taxonomicName>
|
||
, paratype, CAS 219177, 85.1 mm SL illustrated). Scale bar indicates 2.5 mm.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection id="D99C2F9C2722FEE98E09A9A38616C90C" type="distribution">
|
||
<paragraph id="E2DEEB59F1E41CE703F160A735BF9CD2" pageNumber="51">Distribution</paragraph>
|
||
<paragraph id="57CE077D0296A4D9A090A75A95D27451" pageNumber="51">Known from the Brahmaputra River drainage (Fig. 3).</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="A2F636D3492C8A71CDEC2829A7EB2E22" type="discussion">
|
||
<paragraph id="A30CA649103F2D6E6EE5E3C0598A3D51" pageNumber="51">Remarks</paragraph>
|
||
<paragraph id="35F47D7972C606C999AD9B5B6E63DA6C" pageNumber="51">
|
||
Although the specific epithet is often listed in the literature as sulcatus (see above), the correct epithet should be sulcata. This follows the gender of
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<taxonomicName id="DEF7E907FB3D37E52DF3B965DC94D315" LSID-ZBK="urn:lsid:zoobank.org:act:0A1502AF-3B84-4BA1-95C1-C24D72CCC5EE" class="Actinopterygii" family="Sisoridae" genus="Pseudecheneis" kingdom="Animalia" lsidName-ZBK="Pseudecheneis Blyth 1860:154" order="Siluriformes" pageNumber="51" phylum="Chordata" rank="genus">Pseudecheneis</taxonomicName>
|
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(feminine), according to Article 31.2 of the International Code for Zoological Nomenclature (sulcatus being a participle of the verb sulco).
|
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</paragraph>
|
||
</subSubSection>
|
||
</treatment>
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</document> |