90 lines
9.7 KiB
XML
90 lines
9.7 KiB
XML
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<mods:title id="5B2491407B1C772CF9C1CC2E7FC5A4D5">The identity of catfishes identified as Mystus cavasius (Hamilton, 1822) (Teleostei: Bagridae), with a description of a new species from Myanmar.</mods:title>
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<mods:namePart id="A62ECD31B1EC0CF5A5DCF9122DE7E80B">Prosanta Chakrabarty</mods:namePart>
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<mods:namePart id="6FDAB537A7CC9D3EC5A81A5D20371DB8">Heok Hee Ng</mods:namePart>
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<mods:typeOfResource id="B73406176BF576B155E7CD5FAAD6FAA3">text</mods:typeOfResource>
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<mods:date id="0A91CDDA3282D4605D61EFD58651FA22">2005</mods:date>
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<treatment id="662961B103FF2B3894F2D099D2E1FF64" ID-DOI="http://doi.org/10.5281/zenodo.6266080" ID-GBIF-Taxon="100121539" ID-Zenodo-Dep="6266080" LSID="urn:lsid:plazi:treatment:662961B103FF2B3894F2D099D2E1FF64" httpUri="http://treatment.plazi.org/id/662961B103FF2B3894F2D099D2E1FF64" lastPageNumber="2" pageNumber="1">
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<subSubSection id="040BD1FA0AF0C43E4F32D86CEE88C985" type="nomenclature">
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<paragraph id="C9F3C928D82D0BE09ED1FFB5C83DC744">
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[[ Genus
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<taxonomicName id="B909ADDB8D29196B86F1C427415A22D7" ID-CoL="63CDY" ID-ENA="205131" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="genus">Mystus Scopoli</taxonomicName>
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]]
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</paragraph>
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</subSubSection>
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<subSubSection id="AF1215726A07BEF2267C76345A939E3D" type="discussion">
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<paragraph id="B3062EACA0444799C85F351522624825" pageNumber="1">
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<taxonomicName id="DB344B68531AA344B9CC4A8045A966AE" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="genus">Mystus Scopoli, 1777</taxonomicName>
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, is a diverse group of small- to medium-sized bagrid catfishes, from South Asia, with 23 of the 46 nominal species known from there (Talwar & Jhingran, 1991). Despite two previous studies (Jayaram, 1954; Jayaram & Anuradha Sanyal, 2003), the diversity and distribution of the group in South Asia is not well known. Phylogenetic relationships within the genus are also poorly understood, although Mo (1991) suggested there are two major lineages. Hardman (2005) recently confirmed the paraphyly of
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<taxonomicName id="35DD9A85BEAB20B36F7A16FE5B9FD90F" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="genus">Mystus</taxonomicName>
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.
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</paragraph>
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<paragraph id="5D5E62EFBEED16F2C2F2FFE34605711E" lastPageNumber="2" pageNumber="1">
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One group of species (considered
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<taxonomicName id="A0D850C82F641F3C50D60FF03E9705C8" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="genus">Mystus</taxonomicName>
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s. str. by Roberts, 1994) can be easily distinguished from other congeners in having a very long adipose-fin base that spans almost the entire postdorsal distance. This group (hereafter referred to in the diagnoses as “congeners with a long-based adipose fin”), known from West, South and Southeast Asia, was revised by Roberts (1994), who considered the following eight species to be valid:
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<taxonomicName id="EA5EA5B8DC8EC03C412F3B8E6AC63F59" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="pelusius">M. pelusius (Solander, 1794)</taxonomicName>
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,
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<taxonomicName id="CBA65D630029ABAD02C979BD0EB25EBC" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="cavasius">M. cavasius (Hamilton, 1822)</taxonomicName>
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,
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<taxonomicName id="5A3C97008126EF6BC2812297B86F8093" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="singaringan">M. singaringan (Bleeker, 1846)</taxonomicName>
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,
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<taxonomicName id="C444D5147076BAD8A7A54480FC861D32" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="bocourti">M. bocourti (Bleeker, 1864)</taxonomicName>
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,
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<taxonomicName id="C6ACE4557B8A99B41E55E0FB9CBEC68B" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="bleekeri">M. bleekeri (Day, 1877)</taxonomicName>
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,
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<taxonomicName id="6DF87AAB4D9F454BB8E4421B322B64EB" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="rufescens">M. rufescens (Vinciguerra, 1890)</taxonomicName>
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,
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<taxonomicName id="CA7FDF5818CD6D15713FD9A3B37B73AD" LSID-ZBK="urn:lsid:zoobank.org:act:9FDCED76-C935-4508-9964-D553CC9D3421" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Mystus rhegma Fowler 1935:102" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="rhegma">M. rhegma Fowler, 1935</taxonomicName>
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, and
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<taxonomicName id="813D2D48BFDC17AF535B5ABE708EFEC5" LSID-ZBK="urn:lsid:zoobank.org:act:49E74E43-647D-4A23-B85C-3D013C64CB13" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Mystus albolineatus Roberts 1994:245" order="Siluriformes" pageNumber="1" phylum="Chordata" rank="species" species="albolineatus">M. albolineatus Roberts, 1994</taxonomicName>
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.
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</paragraph>
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<paragraph id="6219007D59D57D3DD9A4FF655C4B6234" pageNumber="2">
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A considerable amount of variation in the number of rakers on the first gill arch has been observed in
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<taxonomicName id="6CBA9FA308617C2E846E2A64BDC10C60" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="cavasius">M. cavasius</taxonomicName>
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(see Roberts, 1994). We investigated patterns in this variation and recognize three distinct species, one of which is undescribed. Redescriptions of two of these species,
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<taxonomicName id="ECDEF2CC59E809697571D704A183C44C" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="cavasius">Mystus cavasius</taxonomicName>
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and
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<taxonomicName id="9730D849B06E3CD318408758A44F34BB" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="seengtee">M. seengtee</taxonomicName>
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, from northern and southern India respectively, and the description of a new species,
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<taxonomicName id="CFA7A8A86640DB4920CCA233EFF8BD31" LSID-ZBK="urn:lsid:zoobank.org:act:D8F1931C-5237-4A86-A537-20F04D7CEB04" family="Bagridae" genus="Mystus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName-ZBK="Mystus falcarius Chakrabarty & Ng 2005" order="Siluriformes" pageNumber="2" phylum="Chordata" rank="species" species="falcarius">Mystus falcarius</taxonomicName>
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, from Myanmar form the basis of this study.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |