<document id="624E6695DDB0AF05CC08B8E13028494B" ID-CLB-Dataset="28342" ID-DOI="10.11646/zootaxa.4567.3.5" ID-GBIF-Dataset="45397b0e-2315-410d-9640-3e8eb26fd613" ID-ISSN="1175-5326" ID-Zenodo-Dep="2599047" ID-ZooBank="08F8D9C4-EF4F-4D61-90B2-3C7B5E09A2A5" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553062776010" checkinUser="plazi" docAuthor="Ng, Casey Keat Chuan, Lim, Teow Yeong, Ahmad, Amirrudin &amp; Khaironizam, Md Zain" docDate="2019" docId="039787C5FFB14D4EFF28FB40FB56FA23" docLanguage="en" docName="zootaxa.4567.3.5.pdf" docOrigin="Zootaxa 4567 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Trigonostigma heteromorpha" docType="treatment" docVersion="11" lastPageNumber="527" masterDocId="FFAEFFBDFFBD4D42FFBFFFB4FF80FFE3" masterDocTitle="Provisional checklist of freshwater fish diversity and distribution in Perak, Malaysia, and some latest taxonomic concerns" masterLastPageNumber="545" masterPageNumber="515" pageNumber="527" updateTime="1698702472310" updateUser="ExternalLinkService">
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<mods:title id="323FF24FCCE6DF5E22DDF4D4CF74041B">Provisional checklist of freshwater fish diversity and distribution in Perak, Malaysia, and some latest taxonomic concerns</mods:title>
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<mods:namePart id="E465DB451A470D5219AA3120D5666B4F">Ng, Casey Keat Chuan</mods:namePart>
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<mods:namePart id="AAF0380E90A6CFFDA9333D1834254018">Lim, Teow Yeong</mods:namePart>
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<mods:namePart id="3B1D868EB84BD7027BF9CD938DDF61A6">Ahmad, Amirrudin</mods:namePart>
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<mods:namePart id="1730863CF449F18E46B78CFEA3B5E3C7">Khaironizam, Md Zain</mods:namePart>
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<treatment id="039787C5FFB14D4EFF28FB40FB56FA23" ID-DOI="http://doi.org/10.5281/zenodo.5450233" ID-GBIF-Taxon="154435457" ID-Zenodo-Dep="5450233" LSID="urn:lsid:plazi:treatment:039787C5FFB14D4EFF28FB40FB56FA23" httpUri="http://treatment.plazi.org/id/039787C5FFB14D4EFF28FB40FB56FA23" lastPageNumber="527" pageId="12" pageNumber="527">
<subSubSection id="C3246558FFB14D4EFF28FB40FC00FAD3" pageId="12" pageNumber="527" type="nomenclature">
<paragraph id="8B8136D3FFB14D4EFF28FB40FD59FAEE" blockId="12.[151,1436,1268,1472]" box="[151,729,1268,1293]" pageId="12" pageNumber="527">
<heading id="D0C981BFFFB14D4EFF28FB40FD59FAEE" bold="true" box="[151,729,1268,1293]" fontSize="10" level="2" pageId="12" pageNumber="527" reason="2">
<taxonomicName id="4C3E4D50FFB14D4EFF28FB40FD59FAEE" ID-CoL="58TCG" authority="(Duncker 1904)" baseAuthorityName="Duncker" baseAuthorityYear="1904" box="[151,729,1268,1293]" class="Actinopterygii" family="Cyprinidae" genus="Trigonostigma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cypriniformes" pageId="12" pageNumber="527" phylum="Chordata" rank="species" species="heteromorpha">
<emphasis id="B94AEAC1FFB14D4EFF28FB40FD59FAEE" bold="true" box="[151,729,1268,1293]" pageId="12" pageNumber="527">
<emphasis id="B94AEAC1FFB14D4EFF28FB40FEC0FAEE" bold="true" box="[151,320,1268,1293]" italics="true" pageId="12" pageNumber="527">Trigonostigma</emphasis>
aff. 
<emphasis id="B94AEAC1FFB14D4EFECAFB40FD98FAEE" bold="true" box="[373,536,1268,1293]" italics="true" pageId="12" pageNumber="527">heteromorpha</emphasis>
(
<bibRefCitation id="EFAF4B22FFB14D4EFD98FB40FD52FAEE" author="Duncker, G." box="[551,722,1268,1293]" pageId="12" pageNumber="527" pagination="133 - 207" refId="ref14913" refString="Duncker, G. (1904) Die Fische der malayischen Halbinsel. Mitteilungen aus dem Naturhistorischen (Zoologischen) Museum in Hamburg, 21, 133 - 207." type="journal article" year="1904">Duncker 1904</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
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<taxonomicName id="4C3E4D50FFB14D4EFF28FAADFD8BFAD3" baseAuthorityName="Duncker" baseAuthorityYear="1904" box="[151,523,1303,1328]" class="Actinopterygii" family="Cyprinidae" genus="Trigonostigma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cypriniformes" pageId="12" pageNumber="527" phylum="Chordata" rank="species" species="heteromorpha">
<emphasis id="B94AEAC1FFB14D4EFF28FAADFEBBFAD3" box="[151,315,1305,1328]" italics="true" pageId="12" pageNumber="527">Trigonostigma</emphasis>
aff. 
<emphasis id="B94AEAC1FFB14D4EFED1FAA3FD8BFAD3" box="[366,523,1303,1328]" italics="true" pageId="12" pageNumber="527">heteromorpha</emphasis>
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: Authors' data (Pondok Tanjung)
</paragraph>
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<subSubSection id="C3246558FFB14D4EFF28FA88FB56FA23" pageId="12" pageNumber="527" type="discussion">
<paragraph id="8B8136D3FFB14D4EFF28FA88FB56FA23" blockId="12.[151,1436,1268,1472]" pageId="12" pageNumber="527">
<emphasis id="B94AEAC1FFB14D4EFF28FA88FE8BFAB6" bold="true" box="[151,267,1340,1365]" pageId="12" pageNumber="527">Remarks.</emphasis>
Compared with figure provided by 
<bibRefCitation id="EFAF4B22FFB14D4EFD15FA88FCDEFAB7" author="Duncker, G." box="[682,862,1340,1365]" pageId="12" pageNumber="527" pagination="133 - 207" refId="ref14913" refString="Duncker, G. (1904) Die Fische der malayischen Halbinsel. Mitteilungen aus dem Naturhistorischen (Zoologischen) Museum in Hamburg, 21, 133 - 207." type="journal article" year="1904">Duncker (1904)</bibRefCitation>
which exhibits an apex at the middle point of the dorsum that is slightly backward, our specimens from Pondok Tanjung display apex that is somewhat directed forward. The triangular markings in males and females are also somewhat different (
<figureCitation id="13052A56FFB14D4EFBCBFA30FB3CFA7E" box="[1140,1212,1412,1437]" captionStart="FIGURE 5" captionStartId="13.[151,250,969,991]" captionTargetBox="[151,1435,195,947]" captionTargetId="figure@13.[151,1435,195,947]" captionTargetPageId="13" captionText="FIGURE 5. Trigonostigma aff. heteromorpha; female (top left); male (top right); comparison between T. aff. heteromorpha (female) from Pondok Tanjung (top) and T. heteromorpha (female) from northern Terengganu (bottom left); T. heteromorpha figured in Duncker (1904) (bottom right)." httpUri="https://zenodo.org/record/2599055/files/figure.png" pageId="12" pageNumber="527">Fig. 5</figureCitation>
). We therefore cite specimens encountered in Pondok Tanjung as 
<taxonomicName id="4C3E4D50FFB14D4EFD23FA1DFC02FA23" baseAuthorityName="Duncker" baseAuthorityYear="1904" box="[668,898,1447,1472]" class="Actinopterygii" family="Cyprinidae" genus="Trigonostigma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cypriniformes" pageId="12" pageNumber="527" phylum="Chordata" rank="species" species="heteromorpha">
<emphasis id="B94AEAC1FFB14D4EFD23FA1DFD31FA23" box="[668,689,1449,1472]" italics="true" pageId="12" pageNumber="527">T.</emphasis>
aff. 
<emphasis id="B94AEAC1FFB14D4EFD5BFA13FC02FA23" box="[740,898,1447,1472]" italics="true" pageId="12" pageNumber="527">heteromorpha</emphasis>
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pending further investigation.
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</treatment>
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