183 lines
23 KiB
XML
183 lines
23 KiB
XML
<document id="BD8715C0D618341889D5831193104575" ID-DOI="10.5281/zenodo.189215" ID-GBIF-Dataset="84e2a45b-664d-4f77-b034-7451b5e221ae" ID-ISSN="1175-5326" ID-Zenodo-Dep="189215" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461100319232" checkinUser="plazi" docAuthor="Hui, Tan Heok" docDate="2009" docId="03F8B043FF81FF8C21DC418EB0FCFB90" docLanguage="en" docName="zt02171p064.pdf" docOrigin="Zootaxa 2171" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Homaloptera tateregani Popta 1905" docType="treatment" docVersion="8" lastPageNumber="57" masterDocId="FFC1C83BFF88FF85214B4119B03FFC36" masterDocTitle="A new species of hill stream loach (Teleostei: Balitoridae) from Central Kalimantan, with redescriptions of Homaloptera tateregani Popta and Homaloptera stephensoni Hora" masterLastPageNumber="64" masterPageNumber="48" pageNumber="57" updateTime="1698591102582" updateUser="plazi">
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<mods:title id="A75D4F1BE5EB48E49E302D5D2A755766">A new species of hill stream loach (Teleostei: Balitoridae) from Central Kalimantan, with redescriptions of Homaloptera tateregani Popta and Homaloptera stephensoni Hora</mods:title>
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<mods:namePart id="A5AA20DB0662EB1D0B7C5C46E5B2D7F4">Hui, Tan Heok</mods:namePart>
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<mods:title id="2225FB77A7DD3682C3FD22FD3A2F2EE4">Zootaxa</mods:title>
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<mods:date id="8B2A4FEDBC5D7828D930DCFB00A18211">2009</mods:date>
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<mods:number id="628337298F67B70D635FEA39DDCAA3C8">2171</mods:number>
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<mods:identifier id="B2781CBC026C8936B3103130AE550721" type="DOI">10.5281/zenodo.189215</mods:identifier>
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<treatment id="03F8B043FF81FF8C21DC418EB0FCFB90" ID-DOI="http://doi.org/10.5281/zenodo.5689465" ID-GBIF-Taxon="119621660" ID-Zenodo-Dep="5689465" LSID="urn:lsid:plazi:treatment:03F8B043FF81FF8C21DC418EB0FCFB90" httpUri="http://treatment.plazi.org/id/03F8B043FF81FF8C21DC418EB0FCFB90" lastPageNumber="57" pageId="9" pageNumber="57">
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<subSubSection id="C34B52DEFF81FF8C21DC418EB0D0FCE2" pageId="9" pageNumber="57" type="nomenclature">
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<paragraph id="8BEE0155FF81FF8C21DC418EB26EFC87" blockId="9.[151,593,151,212]" box="[151,593,151,177]" pageId="9" pageNumber="57">
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<heading id="D0A6B639FF81FF8C21DC418EB26EFC87" bold="true" box="[151,593,151,177]" fontSize="11" level="1" pageId="9" pageNumber="57" reason="1">
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<taxonomicName id="4C517AD6FF81FF8C21DC418EB26EFC87" ID-CoL="3MDX3" authority="Popta, 1905" authorityName="Popta" authorityYear="1905" box="[151,593,151,177]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="tateregani">
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<emphasis id="B925DD47FF81FF8C21DC418EB26EFC87" bold="true" box="[151,593,151,177]" pageId="9" pageNumber="57">
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<emphasis id="B925DD47FF81FF8C21DC418EB187FC87" bold="true" box="[151,440,151,177]" italics="true" pageId="9" pageNumber="57">Homaloptera tateregani</emphasis>
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<bibRefCitation id="EFC07CA4FF81FF8C20F4418EB26EFC87" author="Popta" box="[447,593,151,177]" pageId="9" pageNumber="64" refString="Popta, C. M. L. (1905) Suite des descriptions preliminaires des nouvelles especes de poissons recueillies au Borneo Central par M. le Dr. A. W. Nieuwenhuis en 1898 et en 1900. Notes from Leyden Museum, 25, 171 - 186." type="journal article" year="1905">Popta, 1905</bibRefCitation>
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</emphasis>
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</taxonomicName>
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||
</heading>
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||
</paragraph>
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<paragraph id="8BEE0155FF81FF8C21DC41A3B0D0FCE2" blockId="9.[151,593,151,212]" box="[151,239,186,212]" pageId="9" pageNumber="57">
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(
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<figureCitation id="136A1DD0FF81FF8C21D441A3B0DAFCE2" box="[159,229,186,212]" captionStart="FIGURE 7" captionStartId="10.[151,259,1977,2001]" captionTargetBox="[171,1414,194,1933]" captionTargetId="figure@10.[171,1415,194,1939]" captionTargetPageId="10" captionText="FIGURE 7. Homaloptera tateregani. Dorsal, lateral, ventral and oral views, respectively from top, RMNH 7632, holotype, 63.2 mm SL." httpUri="https://zenodo.org/record/189222/files/figure.png" pageId="9" pageNumber="57">Fig. 7</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="C34B52DEFF81FF8C21DC4011B33EFD69" pageId="9" pageNumber="57" type="reference_group">
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<paragraph id="8BEE0155FF81FF8C21DC4011B32FFD09" blockId="9.[151,1032,264,415]" pageId="9" pageNumber="57">
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<treatmentCitationGroup id="AB41267BFF81FF8C21DC4011B32FFD09" pageId="9" pageNumber="57">
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<taxonomicName id="4C517AD6FF81FF8C21DC4011B24EFD29" ID-CoL="4Y8C" authority="Tate Reganii Popta, 1905: 180" authorityName="Tate Reganii Popta" authorityPageNumber="180" authorityYear="1905" box="[151,625,264,287]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="genus">
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<emphasis id="B925DD47FF81FF8C21DC4011B18DFD29" box="[151,434,264,287]" italics="true" pageId="9" pageNumber="57">Homaloptera Tate Reganii</emphasis>
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<treatmentCitation id="0AF02744FF81FF8C20F34011B24EFD29" author="Popta" box="[440,625,264,287]" page="180" pageId="9" pageNumber="57" year="1905">
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<bibRefCitation id="EFC07CA4FF81FF8C20F34011B203FD29" author="Popta" box="[440,572,264,287]" pageId="9" pageNumber="64" refString="Popta, C. M. L. (1905) Suite des descriptions preliminaires des nouvelles especes de poissons recueillies au Borneo Central par M. le Dr. A. W. Nieuwenhuis en 1898 et en 1900. Notes from Leyden Museum, 25, 171 - 186." type="journal article" year="1905">Popta, 1905</bibRefCitation>
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: 180
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</treatmentCitation>
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</taxonomicName>
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;
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<treatmentCitation id="0AF02744FF81FF8C23374011B30CFD29" author="Popta" box="[636,819,264,287]" page="182" pageId="9" pageNumber="57" year="1906">
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<bibRefCitation id="EFC07CA4FF81FF8C23374011B2C0FD29" author="Popta" box="[636,767,264,287]" pageId="9" pageNumber="64" refString="Popta, C. M. L. (1906) Resultats ichthyologiques des voyages scientifiques de Monsieur le Professeur Dr. A. W. Nieuwenhuis dans le centre de Borneo (1898 et 1900). Notes from Leyden Museum, 27, 1 - 304, 10 pls." type="journal article" year="1906">Popta, 1906</bibRefCitation>
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: 182
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||
</treatmentCitation>
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, Pl. 10, figs. 40a–b.
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<taxonomicName id="4C517AD6FF81FF8C21DC4031B1A0FD09" box="[151,415,296,319]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="subSpecies" species="tate" subSpecies="regani">
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<emphasis id="B925DD47FF81FF8C21DC4031B1A0FD09" box="[151,415,296,319]" italics="true" pageId="9" pageNumber="57">Homaloptera tate regani</emphasis>
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</taxonomicName>
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– Weber & de Beaufort, 1916: 19.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="8BEE0155FF81FF8C21DC4051B33EFD69" blockId="9.[151,1032,264,415]" box="[151,769,328,351]" pageId="9" pageNumber="57">
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<treatmentCitationGroup id="AB41267BFF81FF8C21DC4051B33EFD69" box="[151,769,328,351]" pageId="9" pageNumber="57">
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<emphasis id="B925DD47FF81FF8C21DC4051B19EFD69" box="[151,417,328,351]" italics="true" pageId="9" pageNumber="57">
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<taxonomicName id="4C517AD6FF81FF8C21DC4051B11AFD69" ID-CoL="4Y8C" box="[151,293,328,351]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="genus">Homaloptera</taxonomicName>
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tate-regani
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</emphasis>
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–
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<treatmentCitation id="0AF02744FF81FF8C20F74051B253FD69" author="Hora" box="[444,620,328,351]" page="283" pageId="9" pageNumber="57" year="1932">
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<bibRefCitation id="EFC07CA4FF81FF8C20F74051B208FD69" author="Hora" box="[444,567,328,351]" pageId="9" pageNumber="64" refString="Hora, S. L. (1932) Classification, bionomics and evolution of Homalopterid fishes. Memoirs of the Indian Museum, 12, 263 - 330, pls. 10 - 12." type="journal article" year="1932">Hora, 1932</bibRefCitation>
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: 283
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</treatmentCitation>
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, Pl. 11, fig. 4.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C34B52DEFF81FF8C21DC4071B290FDA9" pageId="9" pageNumber="57" type="description">
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||
<paragraph id="8BEE0155FF81FF8C21DC4071B290FDA9" blockId="9.[151,1032,264,415]" pageId="9" pageNumber="57">
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||
<treatmentCitationGroup id="AB41267BFF81FF8C21DC4071B290FDA9" pageId="9" pageNumber="57">
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||
<taxonomicName id="4C517AD6FF81FF8C21DC4071B1A7FD49" ID-CoL="3MDX3" box="[151,408,360,383]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="tateregani">
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<emphasis id="B925DD47FF81FF8C21DC4071B1A7FD49" box="[151,408,360,383]" italics="true" pageId="9" pageNumber="57">Homaloptera tateregani</emphasis>
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</taxonomicName>
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– Kottelat et al., 1993: 53, figs. 135–136.
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<taxonomicName id="4C517AD6FF81FF8C21DC4091B1DEFDA9" box="[151,481,392,415]" family="Balitoridae" genus="Pseudohomaloptera" higherTaxonomySource="CoL" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="tateregani">
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<emphasis id="B925DD47FF81FF8C21DC4091B1DEFDA9" box="[151,481,392,415]" italics="true" pageId="9" pageNumber="57">Pseudohomaloptera tateregani</emphasis>
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</taxonomicName>
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||
–
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<treatmentCitation id="0AF02744FF81FF8C20B74091B294FDA9" author="Silas" box="[508,683,392,415]" page="205" pageId="9" pageNumber="57" year="1952">
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||
<bibRefCitation id="EFC07CA4FF81FF8C20B74091B24AFDA9" author="Silas" box="[508,629,392,415]" pageId="9" pageNumber="64" refString="Silas, E. G. (1952) Classification, zoogeography and evolution of the fishes of the cyprinoid families Homalopteridae and Gastromyzonidae. Records of the Indian Museum, 50, 173 - 263." type="journal article" year="1952">Silas, 1952</bibRefCitation>
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: 205
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||
</treatmentCitation>
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.
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||
</treatmentCitationGroup>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C34B52DEFF81FF8C21DC40D7B168FE39" pageId="9" pageNumber="57" type="materials_examined">
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||
<paragraph id="8BEE0155FF81FF8C21DC40D7B168FE39" blockId="9.[151,1437,462,1958]" pageId="9" pageNumber="57">
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||
<emphasis id="B925DD47FF81FF8C21DC40D7B125FDDE" bold="true" box="[151,282,462,488]" pageId="9" pageNumber="57">
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||
<typeStatus id="54EABFF7FF81FF8C21DC40D7B12AFDDE" box="[151,277,462,488]" pageId="9" pageNumber="57" type="holotype">Holotype</typeStatus>
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.
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</emphasis>
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<collectionCode id="ED409990FF81FF8C206840D7B140FDDE" LSID="urn:lsid:biocol.org:col:34992" box="[291,383,462,488]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34992" name="National Museum of Natural History, Naturalis" pageId="9" pageNumber="57">RMNH</collectionCode>
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7632,
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<quantity id="4CA9ACB0FF81FF8C209340D7B276FDDE" box="[472,585,462,488]" metricMagnitude="-2" metricUnit="m" metricValue="6.32" pageId="9" pageNumber="57" unit="mm" value="63.2">63.2 mm</quantity>
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SL; East Kalimantan: Mahakam basin, Bo river; A. Nieuwenhuis,
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<date id="FFEF2795FF81FF8C21DC40ECB16CFE39" box="[151,339,501,527]" pageId="9" pageNumber="57" value="1900-05" valueMax="1900-08-31" valueMin="1900-05-00">May–Aug 1900</date>
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.
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</paragraph>
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</subSubSection>
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||
<subSubSection id="C34B52DEFF81FF8C218D4302B2A3FEC1" pageId="9" pageNumber="57" type="diagnosis">
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<paragraph id="8BEE0155FF81FF8C218D4302B2A3FEC1" blockId="9.[151,1437,462,1958]" pageId="9" pageNumber="57">
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<emphasis id="B925DD47FF81FF8C218D4302B179FE03" bold="true" box="[198,326,539,565]" pageId="9" pageNumber="57">Diagnosis.</emphasis>
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<taxonomicName id="4C517AD6FF81FF8C20114305B2BDFE03" box="[346,642,540,565]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="tateregani">
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<emphasis id="B925DD47FF81FF8C20114305B2BDFE03" box="[346,642,540,565]" italics="true" pageId="9" pageNumber="57">Homaloptera tateregani</emphasis>
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</taxonomicName>
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differs from its congeners in having the following unique combination of characters: a pronounced groove at each corner of the mouth, just posterior to the maxillary barbel, here termed the postoral groove; eight principal and 12 secondary pectoral fin rays; posterior edge of pelvic fin extending to anal fin origin; scales absent from abdomen; anterior dorsal half of body scales with keel pattern, consisting of mainly one central keel, in some specimens with an additional small keel on either side (
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<figureCitation id="136A1DD0FF81FF8C219D43C4B112FEC1" box="[214,301,733,759]" captionStart="FIGURE 10" captionStartId="13.[151,256,1202,1226]" captionTargetBox="[194,1338,214,1163]" captionTargetId="figure@13.[169,1347,197,1172]" captionTargetPageId="13" captionText="FIGURE 10. Schematised drawings of anterior dorso-lateral body scales of: A, Homaloptera batek, ZRC 51743, 97.2 mm SL; B, H. tateregani, RMNH 7632, 63.2 mm SL; C, H. stephensoni, ZRC 51742, 68.6 mm SL (scale bar = 1 mm)." httpUri="https://zenodo.org/record/189225/files/figure.png" pageId="9" pageNumber="57">Fig. 10</figureCitation>
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B); 63 scales on the lateral line.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C34B52DEFF81FF8C218D421AB36AFA15" pageId="9" pageNumber="57" type="description">
|
||
<paragraph id="8BEE0155FF81FF8C218D421AB34FF8F1" blockId="9.[151,1437,462,1958]" pageId="9" pageNumber="57">
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||
<emphasis id="B925DD47FF81FF8C218D421AB160FF2B" bold="true" box="[198,351,771,797]" pageId="9" pageNumber="57">Description.</emphasis>
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General body shape and appearance as in
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<figureCitation id="136A1DD0FF81FF8C2214421DB397FF28" box="[863,936,772,798]" captionStart="FIGURE 7" captionStartId="10.[151,259,1977,2001]" captionTargetBox="[171,1414,194,1933]" captionTargetId="figure@10.[171,1415,194,1939]" captionTargetPageId="10" captionText="FIGURE 7. Homaloptera tateregani. Dorsal, lateral, ventral and oral views, respectively from top, RMNH 7632, holotype, 63.2 mm SL." httpUri="https://zenodo.org/record/189222/files/figure.png" pageId="9" pageNumber="57">Fig. 7</figureCitation>
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. For meristics and morphometric data see
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<tableCitation id="C6D334EEFF81FF8C21DC4233B0D0FF72" box="[151,239,810,836]" captionStart="TABLE 1" captionStartId="2.[151,239,151,175]" captionTargetBox="[151,1436,237,1983]" captionTargetPageId="2" captionText="TABLE 1. Meristic and morphometric data of Homaloptera batek, H. tateregani and H. stephensoni (values in brackets represent the holotypes)." httpUri="http://table.plazi.org/id/DF2E51DDFF8AFF8721DC418EB1A1FCE7" pageId="9" pageNumber="57" tableUuid="DF2E51DDFF8AFF8721DC418EB1A1FCE7">Table 1</tableCitation>
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||
. Head elongate, pointed (head width 17.0 % SL; head depth 9.3 % SL). Eye small (eye diameter 14.5 % HL), positioned nearer to opercle edge than to tip of snout, nostril positioned at midway between snout tip and opercle edge. Snout long (snout length 57.2 % HL). Mouth inferior, with three short and fleshy pairs of barbels, two rostral and one maxillary. A pronounced groove just posterior to position of maxillary barbel. Area at ventrum of head covered with many minute raised bumps. Body elongate, laterally compressed, deepest at dorsal-fin origin (body depth at dorsal-fin origin 10.4 % SL), slimmest at caudal peduncle (caudal peduncle depth 5.0 % SL). Body covered with scales, except for naked ventral area. Anus situated just anterior to anal fin origin. Body scales with central keel, sometimes with an additional smaller keel on either side (
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<figureCitation id="136A1DD0FF81FF8C219C4579B111F84C" box="[215,302,1120,1146]" captionStart="FIGURE 10" captionStartId="13.[151,256,1202,1226]" captionTargetBox="[194,1338,214,1163]" captionTargetId="figure@13.[169,1347,197,1172]" captionTargetPageId="13" captionText="FIGURE 10. Schematised drawings of anterior dorso-lateral body scales of: A, Homaloptera batek, ZRC 51743, 97.2 mm SL; B, H. tateregani, RMNH 7632, 63.2 mm SL; C, H. stephensoni, ZRC 51742, 68.6 mm SL (scale bar = 1 mm)." httpUri="https://zenodo.org/record/189225/files/figure.png" pageId="9" pageNumber="57">Fig. 10</figureCitation>
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B). Anterior and posterior margins of dorsal and anal fins concave. Pectoral and pelvic fins with rounded anterior margin, rounded posterior edge. Caudal fin deeply forked, with lower caudal lobe about 1.24 times that of upper caudal lobe. Vertebrae: 21 + 13, total = 34.
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</paragraph>
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<paragraph id="8BEE0155FF81FF8C218D45CAB24CF922" blockId="9.[151,1437,462,1958]" pageId="9" pageNumber="57">
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||
<emphasis id="B925DD47FF81FF8C218D45CAB196F8DB" bold="true" box="[198,425,1235,1261]" pageId="9" pageNumber="57">Colour in ethanol.</emphasis>
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||
See
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<figureCitation id="136A1DD0FF81FF8C20A845CDB215F8D8" box="[483,554,1236,1262]" captionStart="FIGURE 7" captionStartId="10.[151,259,1977,2001]" captionTargetBox="[171,1414,194,1933]" captionTargetId="figure@10.[171,1415,194,1939]" captionTargetPageId="10" captionText="FIGURE 7. Homaloptera tateregani. Dorsal, lateral, ventral and oral views, respectively from top, RMNH 7632, holotype, 63.2 mm SL." httpUri="https://zenodo.org/record/189222/files/figure.png" pageId="9" pageNumber="57">Fig. 7</figureCitation>
|
||
. The whole specimen appears to be stained reddish brown, probably due to age and/or as an artefact of preservation.
|
||
</paragraph>
|
||
<paragraph id="8BEE0155FF81FF8C218E4438B36AFA15" blockId="9.[151,1437,462,1958]" pageId="9" pageNumber="57">Dorsum and sides of head reddish brown, less pigmented towards ventral margin. Barbels cream. Body dorsally and laterally reddish brown. Dorsum of body with five faint cream narrow bars, marking the interspaces between the six saddle spots; two predorsal, two at dorsal fin base and two postdorsal. Lateral body without discernable body markings. Ventrum cream. Dorsal fin reddish brown, its posterior margin hyaline. Caudal fin cream, with darker brown base, two broad reddish brown bars on upper and lower caudal lobes and middle of fin without distinct bar. Anal fin reddish brown, with posterior margin hyaline. Pelvic and pectoral fins reddish brown, with posterior margins hyaline.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34B52DEFF81FF8C218D4736B470FB6E" pageId="9" pageNumber="57" type="discussion">
|
||
<paragraph id="8BEE0155FF81FF8C218D4736B470FB6E" blockId="9.[151,1437,462,1958]" pageId="9" pageNumber="57">
|
||
<emphasis id="B925DD47FF81FF8C218D4736B17FFA7F" bold="true" box="[198,320,1583,1609]" pageId="9" pageNumber="57">Remarks.</emphasis>
|
||
See previous treatment for differences between
|
||
<taxonomicName id="4C517AD6FF81FF8C22D64729B401FA7F" box="[925,1086,1584,1609]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="tateregani">
|
||
<emphasis id="B925DD47FF81FF8C22D64729B401FA7F" box="[925,1086,1584,1609]" italics="true" pageId="9" pageNumber="57">H. tateregani</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C517AD6FF81FF8C25C94729B4D3FA7F" box="[1154,1260,1584,1609]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="batek">
|
||
<emphasis id="B925DD47FF81FF8C25C94729B4D3FA7F" box="[1154,1260,1584,1609]" italics="true" pageId="9" pageNumber="57">H. batek</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C517AD6FF81FF8C244B4729B130FA46" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="tateregani">
|
||
<emphasis id="B925DD47FF81FF8C244B4729B130FA46" italics="true" pageId="9" pageNumber="57">Homaloptera tateregani</emphasis>
|
||
</taxonomicName>
|
||
can be further differentiated from
|
||
<taxonomicName id="4C517AD6FF81FF8C23EC474EB369FA46" box="[679,854,1623,1648]" class="Actinopterygii" family="Balitoridae" genus="Homaloptera" kingdom="Animalia" order="Cypriniformes" pageId="9" pageNumber="57" phylum="Chordata" rank="species" species="stephensoni">
|
||
<emphasis id="B925DD47FF81FF8C23EC474EB369FA46" box="[679,854,1623,1648]" italics="true" pageId="9" pageNumber="57">H. stephensoni</emphasis>
|
||
</taxonomicName>
|
||
by the following characters: mouth inferior, with thick fleshy barbels (vs. mouth sub-inferior. with thin barbels); snout long, narrow, with nostril midway between snout tip and opercle edge (vs. snout relatively long, rounded, with nostril nearer snout tip); presence of postoral groove (vs. absence); anus situated just anterior to anal fin origin (vs. between pelvic and anal fin origins); pectoral and pelvic fins falcate (vs. rounded); lower caudal lobe 1.24 times upper caudal lobe (vs. 1.06–1.10); 63 lateral scales (vs. 43–50); more slender caudal peduncle (5.0 % SL, vs. 5.4–6.2); smaller eye (14.5 % HL, vs. 18.3–22.6); larger interorbital width (37.7 % HL, vs. 17.6–21.3).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34B52DEFF81FF8C218D467CB0FCFB90" pageId="9" pageNumber="57" type="distribution">
|
||
<paragraph id="8BEE0155FF81FF8C218D467CB0FCFB90" blockId="9.[151,1437,462,1958]" pageId="9" pageNumber="57">
|
||
<emphasis id="B925DD47FF81FF8C218D467CB158FB49" bold="true" box="[198,359,1893,1919]" pageId="9" pageNumber="57">Distribution.</emphasis>
|
||
This species is known only from the upper Mahakam River basin in East Kalimantan (
|
||
<figureCitation id="136A1DD0FF81FF8C2427467CB08AFB90" captionStart="FIGURE 11" captionStartId="14.[151,259,1646,1670]" captionTargetBox="[151,1436,197,1622]" captionTargetId="figure@14.[151,1436,197,1623]" captionTargetPageId="14" captionText="FIGURE 11. Map of Borneo showing distribution of Homaloptera batek (circle), H. tateregani (triangle) and H. stephensoni (square – solid: type locality, hollow: other locations)." httpUri="https://zenodo.org/record/189226/files/figure.png" pageId="9" pageNumber="57">Fig. 11</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |