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<document id="801E8DAB85ADC7D9E8F8070E7224E85D" ID-DOI="10.3897/zse.100.125866" ID-ZooBank="29F191C5-30BF-491B-8B59-5EC344BD2584" ID-publisher-id="125866" URI-arpha="2B729CF3-3144-5E7D-97FD-D16D4263834E" URI-zoobank="http://zoobank.org/29F191C5-30BF-491B-8B59-5EC344BD2584" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" article-type="research-article" checkinTime="1725978358351" checkinUser="pensoft" docAuthor="Zhong, Jia-Hong, Yang, Jian, Mo, Hao-Lin &amp; Chen, Wei-Cai" docDate="2024" docId="64E7C11C564251B3B50CBA1B151C5937" docLanguage="en" docName="Zoosystematics and Evolution 100(4): 1259-1267" docOrigin="Zoosystematics and Evolution 100 (4)" docSource="https://zse.pensoft.net/article/125866/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Oreonectes zhangi Zhong, Yang &amp; Chen 2024, sp. nov." docType="treatment" docUuid="73962B24-DB58-41FF-8DBE-0332CAD9635C" docUuidSource="ZooBank" docVersion="3" dtd-version="3.0" lastPageNumber="1267" masterDocId="2B729CF331445E7D97FDD16D4263834E" masterDocTitle="Description of a new species of the genus Oreonectes (Teleostei, Cypriniformes, Nemacheilidae) from Guangxi, China" masterLastPageNumber="1267" masterPageNumber="1259" pageNumber="1259" updateTime="1725988456906" updateUser="admin">
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<mods:titleInfo id="512B3845E4874F8084152817F794CCCC">
<mods:title id="E6F5BB7C79DCD52E2E007588C1149AD2">Description of a new species of the genus Oreonectes (Teleostei, Cypriniformes, Nemacheilidae) from Guangxi, China</mods:title>
</mods:titleInfo>
<mods:name id="09346575D24E000CC40E51B23AAB5105" type="personal">
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<mods:namePart id="071BA2526A72FDC9B38ABDD2E38C03A4">Zhong, Jia-Hong</mods:namePart>
<mods:affiliation id="C05E5B5CF2CB621B5A0C0D90369B4886">Key Laboratory of Wildlife Evolution and Conservation in Mountain Ecosystem of Guangxi, Nanning Normal University, Nanning 530001, Guangxi, China</mods:affiliation>
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</mods:role>
<mods:namePart id="AB5462CEAEAAACED3D87DD76CF94A1AD">Yang, Jian</mods:namePart>
<mods:nameIdentifier id="20845C1C69AC9684D252E45BDC999D47" type="ORCID">0000-0001-7115-6713</mods:nameIdentifier>
<mods:affiliation id="DD333F2B58CD983FB25599D9C24F748B">Key Laboratory of Wildlife Evolution and Conservation in Mountain Ecosystem of Guangxi, Nanning Normal University, Nanning 530001, Guangxi, China</mods:affiliation>
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<mods:namePart id="78D92AA8EB0E3681DEB46A853B47CFB3">Mo, Hao-Lin</mods:namePart>
<mods:affiliation id="381A833936773BEAC4E1DE95E49CEDD3">Key Laboratory of Wildlife Evolution and Conservation in Mountain Ecosystem of Guangxi, Nanning Normal University, Nanning 530001, Guangxi, China</mods:affiliation>
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<mods:namePart id="4FE071BD9879DDCF9138282FC04E1401">Chen, Wei-Cai</mods:namePart>
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<mods:affiliation id="F64C24953605E62A63C147D0B1947786">Key Laboratory of Wildlife Evolution and Conservation in Mountain Ecosystem of Guangxi, Nanning Normal University, Nanning 530001, Guangxi, China</mods:affiliation>
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<mods:title id="503FEA4B7692795F5AC8148BB2DFD759">Zoosystematics and Evolution</mods:title>
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<mods:part id="6469C1D82F3238BF885646F8CC4E745B">
<mods:date id="260D40AE5ED9A3A130A9EB35C78F0433">2024</mods:date>
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<mods:number id="FA64C9F6063CD08A7BBF86C55DAC781E">2024-09-10</mods:number>
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<mods:number id="834457535FB8FBF901A0863D5DBA623B">100</mods:number>
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<mods:number id="3D6D89365AAEA4099EA32506EBE2AF58">4</mods:number>
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<mods:identifier id="EB85D3E98F6FB7C85AD9ECA179638145" type="DOI">10.3897/zse.100.125866</mods:identifier>
<mods:identifier id="1D7BBEA6FB5166BF41C76F05B58BB093" type="ZooBank">29F191C5-30BF-491B-8B59-5EC344BD2584</mods:identifier>
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<treatment id="64E7C11C564251B3B50CBA1B151C5937" ID-arpha="64E7C11C-5642-51B3-B50C-BA1B151C5937" ID-zoobank="https://zoobank.org/73962B24-DB58-41FF-8DBE-0332CAD9635C" LSID="urn:lsid:zoobank.org:act:73962B24-DB58-41FF-8DBE-0332CAD9635C" LSID-ZBK="urn:lsid:zoobank.org:act:73962B24-DB58-41FF-8DBE-0332CAD9635C" httpUri="http://treatment.plazi.org/id/64E7C11C564251B3B50CBA1B151C5937">
<subSubSection id="52F7CF2708FE031779F9AB70AC00F9E7" type="nomenclature">
<paragraph id="FFDC4F061A27CBD877AD392EE99C47B2">
<taxonomicName id="071563314C0A4948E0169D8A0CFCA258" authority="Zhong, Yang &amp; Chen" authorityName="Zhong, Yang &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="E1D7A2ECC3B5B46106B9C4E5A5E7B8F0" italics="true">Oreonectes zhangi</emphasis>
Zhong, Yang &amp; Chen
</taxonomicName>
<taxonomicNameLabel id="403C019A3A1A976711A4B35CA86F96F6" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="D211144B1C3877C0C2D58704E3F612ED" type="description">
<paragraph id="5F774EEAA95C3A4F00FDB923184BBCA7">
<figureCitation id="67A443F298554D85911E6B7206A77A6C" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Dorsal, lateral, ventral, and living views of Oreonectes zhangi sp. nov. NNNU 2023100203, holotype, 71.1 mm TL, 63.1 mm SL." figureDoi="10.3897/zse.100.125866.figure4" httpUri="https://binary.pensoft.net/fig/1130777">Figs 4</figureCitation>
,
<figureCitation id="D866473664107B1A7BDAF0C19C848BD3" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oreonectes zhangi sp. nov., dorsal view of head., NNNU 2023100203, holotype, 63.1 mm SL." figureDoi="10.3897/zse.100.125866.figure5" httpUri="https://binary.pensoft.net/fig/1130778">5</figureCitation>
,
<figureCitation id="AC040D0B06991CC6AFAA862A5B693444" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oreonectes zhangi sp. nov., NNNU 2023100203, holotype, 71.1 mm TL, 63.1 mm SL. The ventral view of the mouth (A) and close-ups of the upper (B) and lower (C) lips are shown; the black arrow indicates the position of the small spinous processes." figureDoi="10.3897/zse.100.125866.figure6" httpUri="https://binary.pensoft.net/fig/1130779">6</figureCitation>
,
<figureCitation id="580EB54DEFC0352D998CA7716A714EE5" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. The caudal fin skeleton of Oreonectes zhangi sp. nov., NNNU 2023100202, paratype, 64.2 mm SL, pc 1, first preural centrum; pc 2, second preural centrum; h, hypural; hs, haemal spine and arch; ph, parhypural; pls, pleurostylar." figureDoi="10.3897/zse.100.125866.figure7" httpUri="https://binary.pensoft.net/fig/1130780">7</figureCitation>
,
<figureCitation id="E8FA8FFACFD5B0571F1B63C6B67B05C7" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gonadal structure of O. damingshanensis (A), NNNU 2024052007, 56 mm SL, and O. zhangi sp. nov. (B), NNNU 2023100215, paratype, 43.2 mm SL; the black arrow refers to the position of the anus." figureDoi="10.3897/zse.100.125866.figure8" httpUri="https://binary.pensoft.net/fig/1130781">8</figureCitation>
,
<figureCitation id="01E22447B230F6B241A1971058D842CE" captionStart="Figure 10" captionStartId="F9" captionText="Figure 10. Air-bladder of Oreonectes zhangi sp. nov.: a, anterior chamber; b, tube connecting anterior and posterior chambers of the air-bladder; c, posterior chamber." figureDoi="10.3897/zse.100.125866.figure10" httpUri="https://binary.pensoft.net/fig/1130783">10</figureCitation>
,
<tableCitation id="AEFFA04E3B4794151ED5E123D11171D7" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Oreonectes species and comparison of identifying characteristics between the new species and its congeners." httpUri="http://table.plazi.org/id/536C0ED5E96C905F14231871D5951EDE" tableUuid="536C0ED5E96C905F14231871D5951EDE">Tables 3</tableCitation>
,
<tableCitation id="3D4CF247BE5877413C981603EE4EB41B" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison of measurable traits between Oreonectes zhangi sp. nov. and similar species, O. damingshanensis. The numbers in parentheses are the mean ± standard deviation (SD)." httpUri="http://table.plazi.org/id/0A49095D7246E404BABF7E88894CE3F9" tableUuid="0A49095D7246E404BABF7E88894CE3F9">4</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0ET4AE" type="material">
<paragraph id="073CAB14F4ED3B89EEBCF39BA78C939E">
<heading id="A2202EDB476E7B82A5F34178C44C6842" reason="title">Materials.</heading>
</paragraph>
<paragraph id="8ABAAF76ED333BF06F79BBB6BEBBE17D">
<materialsCitation id="38B128872599155262BB039473E1CB44" collectingDate="2023-10-02" collectionCode="NNNU" collectorName="Jia-Hong Zhong" country="China" county="Xinye County" elevation="199" latitude="22.7364" location="Mt. Hanshan" longLatPrecision="7" longitude="110.0605" municipality="Yulin City" specimenCode="NNNU 2023100203" specimenCount="1" stateProvince="Guangxi" typeStatus="holotype">
<emphasis id="4D0DE7DA641D3600D64541C752F79929" bold="true">
<emphasis id="9C59B8FB8E5E273C2C9A5A55549EE220" bold="true" italics="true">
<typeStatus id="4B794ECBD558DF695E0341F95ADE14F1" type="holotype">Holotype</typeStatus>
</emphasis>
.
</emphasis>
•
<specimenCode id="D5E533DBB7CF08D00BD7E40A887FED6C" collectionCode="NNNU">NNNU 2023100203</specimenCode>
(Fig.
<figureCitation id="9E603567140A732E3CAFF066A7735A05" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Dorsal, lateral, ventral, and living views of Oreonectes zhangi sp. nov. NNNU 2023100203, holotype, 71.1 mm TL, 63.1 mm SL." figureDoi="10.3897/zse.100.125866.figure4" httpUri="https://binary.pensoft.net/fig/1130777">4</figureCitation>
);
<quantity id="CDCC36BE4E53B2BAAF4D8168E1225D81" metricMagnitude="-2" metricUnit="m" metricValue="7.109999999999999" unit="mm" value="71.1">71.1 mm</quantity>
<abbrev id="ABBRID0EC5AE" xlink_title="total length">TL</abbrev>
,
<quantity id="8096F835EB76A31CB52314D00E74F7F6" metricMagnitude="-2" metricUnit="m" metricValue="6.31" unit="mm" value="63.1">63.1 mm</quantity>
<abbrev id="ABBRID0EG5AE" xlink_title="standard length">SL</abbrev>
; collected by
<collectorName id="758CB01461DD6B401BC113168121E72A">Jia-Hong Zhong</collectorName>
on
<date id="7B238BAAE49AC327AB1779194CCE4271" value="2023-10-02">
<collectingDate id="CA9A67E0209AA3C083CA4F3CF42D58C2" value="2023-10-02">2 October 2023</collectingDate>
</date>
; in
<location id="4CF83341E5F72BC8A6961F7A1E142DE4" LSID="urn:lsid:plazi:treatment:64E7C11C564251B3B50CBA1B151C5937:4CF83341E5F72BC8A6961F7A1E142DE4" country="China" county="Xinye County" latitude="22.7364" longLatPrecision="7" longitude="110.0605" municipality="Yulin City" name="Mt. Hanshan" stateProvince="Guangxi">Mt. Hanshan</location>
,
<collectingCounty id="408C1E02CF3310B2F4598D7B28EAF5F9">Xinye County</collectingCounty>
,
<collectingMunicipality id="A1FF8DD4260866A138EDC4D57E3349A4">Yulin City</collectingMunicipality>
,
<collectingRegion id="9E6729D954520F0E8E8A14484875BAE1" country="China" name="Guangxi">Guangxi</collectingRegion>
,
<collectingCountry id="64243EB0CA90FC938DDE0C24E398BFA0" name="China">China</collectingCountry>
; (
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EN5AE" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[110.060500,22.736400]}">
<geoCoordinate id="8E94725E45B4DF6F9EA6264268252681" degrees="22.7364" direction="north" orientation="latitude" precision="5" value="22.7364">22.7364 ° N</geoCoordinate>
,
<geoCoordinate id="E2E247D1465E93149F3766B261E04C9E" degrees="110.0605" direction="east" orientation="longitude" precision="5" value="110.0605">110.0605 ° E</geoCoordinate>
</named-content>
; elevation
<quantity id="887EF6199C733D3C4EE288F7E6663D8A" metricMagnitude="2" metricUnit="m" metricValue="1.9899999999999998" unit="m" value="199.0">
<elevation id="0A88A466709E16471619AD33539804E7" metricMagnitude="2" metricUnit="m" metricValue="1.9899999999999998" unit="m" value="199.0">199 m</elevation>
</quantity>
; Fig.
<figureCitation id="D222A6CB37F1EFA0D74FFC39546E6B32" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Distributions of Oreonectes species." figureDoi="10.3897/zse.100.125866.figure1" httpUri="https://binary.pensoft.net/fig/1130774">1</figureCitation>
)
</materialsCitation>
.
<materialsCitation id="F91897ACDC5DB2472D961B73439AC1FE" collectingDate="2023-10-02" collectionCode="NNNU" collectorName="Jia-Hong Zhong" country="China" county="Xinye County" elevation="199" latitude="22.7364" location="Mt. Hanshan" longLatPrecision="7" longitude="110.0605" municipality="Yulin City" specimenCode="NNU 2023100201" specimenCount="14" stateProvince="Guangxi" typeStatus="paratype">
<emphasis id="ABC85D016885961E285E8F3094B06A6C" bold="true">
<emphasis id="7D007B06D0A12A69CAB5F68E1C326A35" bold="true" italics="true">
<typeStatus id="EEC67E9F531261EAF14D366F81EA7730" type="paratype">Paratypes</typeStatus>
</emphasis>
.
</emphasis>
•
<specimenCount id="4202035F73E5C1C62527043540A8243E" count="14" type="generic">14 specimens</specimenCount>
;
<specimenCode id="06118DC3E6A9296383DCB7ABF458637C">NNU 2023100201</specimenCode>
–202, 2023100204–215; were collected by
<collectorName id="B8F4F0BC195AA44A305D3C74FD5F69D9">Jia-Hong Zhong</collectorName>
from the same locality and at the same time as the holotype
</materialsCitation>
.
</paragraph>
<caption id="8827CCA038587132AD984EA1A166FD6D" ID-DOI="10.3897/zse.100.125866.figure4" ID-arpha="C90BCCBF-5492-50DF-BBAC-43C77804068B" httpUri="https://binary.pensoft.net/fig/1130777" startId="F4">
<paragraph id="B733B48C0104931B806A088A30C9FCEF">
<label id="EB238576EAE55544FEB47ED84BF298C5">Figure 4.</label>
</paragraph>
<paragraph id="EFD73B8887EAC4266125657CBD5CA7C3">
Dorsal, lateral, ventral, and living views of
<taxonomicName id="1CF7269D8BAE78E2DD777C67E5A8E1D3" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="B6F9118E6EB92C8D3D77504E0BE3535D" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="85590FCA4465353B9CD4747B71D783C5" rank="species">sp. nov.</taxonomicNameLabel>
NNNU 2023100203, holotype, 71.1 mm
<abbrev id="ABBRID0EN6AE" xlink_title="total length">TL</abbrev>
, 63.1 mm
<abbrev id="ABBRID0ER6AE" xlink_title="standard length">SL</abbrev>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0E16AE" type="etymology">
<paragraph id="87D78444DDAAB55C120F516F76A979D6">
<heading id="6975161B1EC3DB769B1239FCD2F6EBC8" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="FA7919FF486A7E4BD227DA116990ADAC">
The species was named in honor of the three Zhang brothers, who assisted local residents in locating water during an ancient drought. Following their passing, they were revered as rain deities by the community (
<bibRefCitation id="A0F0D07E2195C1407BB102237F061118" author="Li" firstAuthor="Li" refId="B12" refString="Li LS (2014) On the Cultural Analysis of the Folk Belief Shown in Hanshan Temple Fair in Yulin, Guangxi. Journal of Guangxi Teachers Education University (Philosophy and Social Science Edition) 35 (1): 20–22 + 47." year="2014">Li 2014</bibRefCitation>
). We suggest the common Chinese name “ 张氏岭鳅 ” (Zhang Shi Ling Qiu).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EFAAG" type="comments">
<paragraph id="1FCB05FB8658F681D309393E34289256">
<heading id="85E14291D8E10796F1B9789B7A8F9C4B" reason="title">Comments.</heading>
</paragraph>
<paragraph id="BBBC4D5D7121DD2907B69CCC28BFDB4C">
<taxonomicName id="5C1E20BD16447E5CE4CEF6E6240DE7F0" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="EEA2F362852E68D2C408CB8463B0244A" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="05946C9B6BA4593D4B203DDC6AD14937" rank="species">sp. nov.</taxonomicNameLabel>
is classified within the genus
<taxonomicName id="00AD222DA5AD4AA430C5C7FC8C86D57C" authorityName="Gunther" authorityYear="1868" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="genus">
<emphasis id="03B022C2A451EFF6866986C3CF4E3146" italics="true">Oreonectes</emphasis>
</taxonomicName>
based on molecular phylogenetic analyses and genus-specific characteristics, including narrowly separated anterior and posterior nostrils, elongated barbel-like anterior nostrils longer than the depth of the nostril tube (Fig.
<figureCitation id="B5C7D232365FF5B14F922E702458F741" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Oreonectes zhangi sp. nov., dorsal view of head., NNNU 2023100203, holotype, 63.1 mm SL." figureDoi="10.3897/zse.100.125866.figure5" httpUri="https://binary.pensoft.net/fig/1130778">5</figureCitation>
), having an epural in the caudal skeleton (Fig.
<figureCitation id="153F620E737ED4EF53D3D8FF819E4E10" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. The caudal fin skeleton of Oreonectes zhangi sp. nov., NNNU 2023100202, paratype, 64.2 mm SL, pc 1, first preural centrum; pc 2, second preural centrum; h, hypural; hs, haemal spine and arch; ph, parhypural; pls, pleurostylar." figureDoi="10.3897/zse.100.125866.figure7" httpUri="https://binary.pensoft.net/fig/1130780">7</figureCitation>
), and a rounded caudal fin with 7 branched dorsal-fin rays. (
<bibRefCitation id="314250E23AA51FBA5615713AC2C1FF58" DOI="10.1155/2023/3600085" author="Du" etAl="et al." firstAuthor="Du" refId="B2" refString="Du LN, Li SJ, Xu F, Luo T, Luo FG, Yu GH, Zhou J (2023) Clarification of Phylogenetic Relationships among Chinese Nemacheilids with Tube-Shaped Anterior Nostrils, with a Description of a New Genus and Two New Species. Journal of Zoological Systematics and Evolutionary Research 2023: 3600085. https://doi.org/10.1155/2023/3600085" year="2023">Du et al. 2023</bibRefCitation>
;
<bibRefCitation id="8374C35D3EDD22F22C2A6ECB1794D595" DOI="10.11646/zootaxa.5448.4.5" author="Ito" firstAuthor="Ito" issue="4" journalOrPublisher="Zootaxa" pagination="519-530" refId="B6" refString="Ito T (2024) Lefua hoffmanni Herre, 1932, a junior synonym of Oreonectes platycephalus Günther, 1868 (Cypriniformes, Nemacheilidae). Zootaxa 5448 (4): 519–530. https://doi.org/10.11646/zootaxa.5448.4.5" title="Lefua hoffmanni Herre, 1932, a junior synonym of Oreonectes platycephalus Günther, 1868 (Cypriniformes, Nemacheilidae)." volume="5448" year="2024">Ito 2024</bibRefCitation>
)
</paragraph>
<caption id="C3C6BEFB05F5B3153C5C73D8599A2AE2" ID-DOI="10.3897/zse.100.125866.figure5" ID-arpha="9F7D7C10-09A1-53A9-827A-ADD10F1C886D" httpUri="https://binary.pensoft.net/fig/1130778" startId="F5">
<paragraph id="15508295E1FF571526DE3D24F8EB0578">
<label id="4BE965E32D26E6B4C6294215BCF44AE2">Figure 5.</label>
</paragraph>
<paragraph id="59A328980796C927B623F739BA461327">
<taxonomicName id="9C533F6A359DFB99B7388E8E2C634FDC" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="34D9C80DA1AD8DE7DFFF60DD961426F1" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="88D9817CF90CDDA925CF7F02F7BC6028" rank="species">sp. nov.</taxonomicNameLabel>
, dorsal view of head., NNNU 2023100203, holotype, 63.1 mm
<abbrev id="ABBRID0EACAG" xlink_title="standard length">SL</abbrev>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EJCAG" type="diagnosis">
<paragraph id="B94D6B5CE751009C01331583EFE193C2">
<heading id="266E2E947D5C0534435F0BD95323B83C" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="6D3AC8973FDE391BB5352ED7E5AD0826">
Comparative data between
<taxonomicName id="988479935D7D4B0447E5192E7E7E3475" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="B0B652F06DBA9B9DF040457AD5CFF809" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="D838BF45B903897DD23A19E8043E43EF" rank="species">sp. nov.</taxonomicNameLabel>
and all seven known species within the genus
<taxonomicName id="3C37CD6B8B55E7B0A094F1E7A005F255" authorityName="Gunther" authorityYear="1868" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="genus">
<emphasis id="C38ED9936D2CA0834DE42AB5ACC7CD8D" italics="true">Oreonectes</emphasis>
</taxonomicName>
are provided in Table
<tableCitation id="91873186C4F6386C58C71ED58684D553" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Oreonectes species and comparison of identifying characteristics between the new species and its congeners." httpUri="http://table.plazi.org/id/536C0ED5E96C905F14231871D5951EDE" tableUuid="536C0ED5E96C905F14231871D5951EDE">3</tableCitation>
.
<taxonomicName id="6888A7E6789FCAB21B2A43FCB14CCF07" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="B9AE2AC1399C0016BDCF9F0955D1A46A" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="2A629071B134E0C29C223CE4A132CD7C" rank="species">sp. nov.</taxonomicNameLabel>
can be distinguished from
<taxonomicName id="DF4ED097D68DD08A5AF0E2EAC05449A9" authorityName="Huang, Yang, Wu &amp; Zhao" authorityYear="2020" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="guilinensis">
<emphasis id="8974DA5C95718468D15C292C5ADFDA98" italics="true">O. guilinensis</emphasis>
</taxonomicName>
,
<taxonomicName id="ABB60712A72E7C80F2CD98BB0312FFC7" authorityName="Yang, Wu, Wei &amp; Yang" authorityYear="2011" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="luochengensis">
<emphasis id="B0E0239DC32A7547CE2A204231FCE17A" italics="true">O. luochengensis</emphasis>
</taxonomicName>
,
<taxonomicName id="EFDD361B5807F54FA5B18431D1D03B82" authorityName="Yang, Wei, Lan &amp; Yang" authorityYear="2011" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="guananensis">
<emphasis id="5665BC576CA9C86DD8F76D43DD7A8EC7" italics="true">O. guananensis</emphasis>
</taxonomicName>
,
<taxonomicName id="B1640B3D61E0ADF9892233229A220F35" authorityName="Luo, Yang, Du &amp; Luo" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="andongensis">
<emphasis id="9DFD4064AEEF70A0F00ED8AA6B609678" italics="true">O. andongensis</emphasis>
</taxonomicName>
, and
<taxonomicName id="1965859C1CD5F5AE1C3724D4E6E54FDF" authorityName="Du, Chen &amp; Yang" authorityYear="2008" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="polystigmus">
<emphasis id="E3AB8AB357A96B42CC0DFDA9FE42FFED" italics="true">O. polystigmus</emphasis>
</taxonomicName>
by the reduced posterior chamber of air-bladder (vs. developed), from
<taxonomicName id="2A1B3FE6E5C4ECC81F68D25DD1C6AAF7" authorityName="Gunther" authorityYear="1868" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="platycephalus">
<emphasis id="33D11FD942677475424B80045408D216" italics="true">O. platycephalus</emphasis>
</taxonomicName>
by six branched plevic-fin rays (vs. 7), seven branched dorsal-fin rays (vs. 6), from
<taxonomicName id="1BE91ABD611C32AE7403362DB4BE9643" authorityName="Yu, Luo, Zhou, Deng &amp; Zhou" authorityYear="2023" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="damingshanensis">
<emphasis id="51274F294C00911CCC9C76C25BE993FC" italics="true">O. damingshanensis</emphasis>
</taxonomicName>
by six branched pelvic-fin rays (vs. 7), the tip of the male pelvic fin not reaching the anus (vs. exceeding) (Fig.
<figureCitation id="2740EC6C2215373972692A9C5699E4E4" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gonadal structure of O. damingshanensis (A), NNNU 2024052007, 56 mm SL, and O. zhangi sp. nov. (B), NNNU 2023100215, paratype, 43.2 mm SL; the black arrow refers to the position of the anus." figureDoi="10.3897/zse.100.125866.figure8" httpUri="https://binary.pensoft.net/fig/1130781">8</figureCitation>
), vertebrae 4 + 32 (vs. 4 + 34), head depth at nape (59.6–68.1 %
<abbrev id="ABBRID0EBGAG" xlink_title="lateral head length">HL</abbrev>
vs. 46.7–54.6 %), body depth at dorsal-fin origin (14.0–16.1 %
<abbrev id="ABBRID0EFGAG" xlink_title="standard length">SL</abbrev>
vs. 11.1–13.3 %).
</paragraph>
<caption id="536C0ED5E96C905F14231871D5951EDE" ID-Table-UUID="536C0ED5E96C905F14231871D5951EDE" httpUri="http://table.plazi.org/id/536C0ED5E96C905F14231871D5951EDE" startId="T3" targetIsTable="true">
<paragraph id="43EADD70E7D1C9B06AC220538E547BFA">
<label id="8C33AB191C9DA04BB8591476A5A5B39C">Table 3.</label>
</paragraph>
<paragraph id="D00084CEF62979BEED35C000821584CE">
<taxonomicName id="AAB95EA1F65CA46196C30D9FD57424C0">
<emphasis id="56BECFBE29EB92B3FF38B791AFBF1288" italics="true">Oreonectes</emphasis>
species
</taxonomicName>
and comparison of identifying characteristics between the new species and its congeners.
</paragraph>
</caption>
<paragraph id="D8B9E6FE12BD2454900ED8EB533D106A">
<table id="TID0EC6AG" rules="all">
<tbody id="C33DB1568809F7A374CB4F46067585D1">
<tr id="6FEABE652599232DA45EFE62E481E9D2">
<th id="7C08A74B6CF81E876C36CC0A0E43167B" colspan="1" isEmpty="true" rowspan="1">-</th>
<th id="720EF0B6328A033820CC7059F8DE9BDA" colspan="1" rowspan="1">Body pigmentation</th>
<th id="6D0EA59FCAFC6DA7EBD8483666B79E79" colspan="1" rowspan="1">Dorsal-fin rays</th>
<th id="F0BB17F99DED49772F1205DC16DD3CD5" colspan="1" rowspan="1">Pectoral-fin rays</th>
<th id="6B6BBAFFB99CF11CCFECCBC7AC43EF21" colspan="1" rowspan="1">Pelvic-fin rays</th>
<th id="1DD1A8B8801E4A1AD2E07ACEBA77973A" colspan="1" rowspan="1">Anal-fin rays</th>
<th id="EDB112053B70EC0E271768404BD8356B" colspan="1" rowspan="1">Caudal-fin rays</th>
<th id="367482BD13F3196372B61058D345AD61" colspan="1" rowspan="1">Posterior chamber of air-bladder</th>
</tr>
<tr id="CC00A19B3F78D572460E1218C5E9D3A1">
<td id="7815AB980B493D0837B4A84C4B1B22A9" colspan="1" rowspan="1">
<taxonomicName id="9A2CBCFE42452F97D8ABF86F1897B0FB" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="4D74E86EE8E0A22510A0B237E411FF61" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="EAFEFC298932FDBB512DF2EA28FB2A48" rank="species">sp. nov.</taxonomicNameLabel>
</td>
<td id="B2D7EFAD8BB4AC19226C8F4AE1D7B8F6" colspan="1" rowspan="1">Present</td>
<td id="DDA6F60718F42B3E1BED45E3988741AC" colspan="1" rowspan="1">iii, 7</td>
<td id="ECB506313E4558D9823573983EAC800B" colspan="1" rowspan="1">i, 8–9</td>
<td id="9C69EA4BA413737CEBA9115F3815640A" colspan="1" rowspan="1">i, 6</td>
<td id="9AB740DB65653507E95BB271F83111F5" colspan="1" rowspan="1">iii, 5</td>
<td id="133C1D36AC441DCE89D484EC3269B80B" colspan="1" rowspan="1">15–16</td>
<td id="4B63166E57900EB9F8D44B93E765AC8E" colspan="1" rowspan="1">Reduced</td>
</tr>
<tr id="DC2311EDC1B278689D0314B8C9664561">
<td id="24D5CDAFB94D898D491C33ACFB81E2F9" colspan="1" rowspan="1">
<taxonomicName id="0646F70F440F60597D6D280CEE65151B" authorityName="Yu, Luo, Zhou, Deng &amp; Zhou" authorityYear="2023" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="damingshanensis">
<emphasis id="5F433C6761A99358B1326F555DF41270" italics="true">O. damingshanensis</emphasis>
</taxonomicName>
</td>
<td id="E047C7594A7BD2D1CD341E3179691FD5" colspan="1" rowspan="1">Present</td>
<td id="9A19B5C784F1818595CE56533D8056E9" colspan="1" rowspan="1">iii, 7</td>
<td id="9CF8D9787132B30BF70A9590A6263118" colspan="1" rowspan="1">i, 9</td>
<td id="E3780771CAF9838EEC032EBA8CE4507E" colspan="1" rowspan="1">i, 7</td>
<td id="7F3D32701AAA5D152A209B7F76A5DB70" colspan="1" rowspan="1">iii, 5</td>
<td id="6853957E7CF94272E35B220326190579" colspan="1" rowspan="1">14–15</td>
<td id="B129AA3A304186F7E6922DF73000412C" colspan="1" rowspan="1">Reduced</td>
</tr>
<tr id="3795B69A68350CA6F1B866616E91F04C">
<td id="67C27126CD4107F7B6906B9C9C5E8660" colspan="1" rowspan="1">
<taxonomicName id="B7EFF69C9BCCDA79221493A8C7078354" authorityName="Gunther" authorityYear="1868" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="platycephalus">
<emphasis id="837DD9151F8C081307BCF42700912E10" italics="true">O. platycephalus</emphasis>
</taxonomicName>
</td>
<td id="EDC4CF8C9B257A34C2FB7D976111323C" colspan="1" rowspan="1">Present</td>
<td id="F4EEC87356854D9F40BF1B378B162A36" colspan="1" rowspan="1">iii, 6</td>
<td id="9BED4ABE998A285C0935ACA1CA0A1F10" colspan="1" rowspan="1">i, 9–11</td>
<td id="BDA8DA61817B950BB0DA0D138BFA8C29" colspan="1" rowspan="1">i, 7</td>
<td id="53BC690533C350A3D9BE151242CE9332" colspan="1" rowspan="1">iii, 5</td>
<td id="E45A8C842AF1648E015C324B4131F44B" colspan="1" rowspan="1">13–15</td>
<td id="86B252FF36BD1C746FF4F5DFB00CD34E" colspan="1" rowspan="1">Reduced</td>
</tr>
<tr id="D8EBDE238067FC363A7C23E7F577359B">
<td id="3452B9857FEA7311553B14E2EEAE6CB4" colspan="1" rowspan="1">
<taxonomicName id="413190A207522469AFB691172D22CBD2" authorityName="Huang, Yang, Wu &amp; Zhao" authorityYear="2020" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="guilinensis">
<emphasis id="6C5E2661D1428B4B03BA28C42A5865A3" italics="true">O. guilinensis</emphasis>
</taxonomicName>
</td>
<td id="971F88AF079F5B50558C1017CEFEA0E0" colspan="1" rowspan="1">Present</td>
<td id="44CBF8FC92C769A025DA228F25445471" colspan="1" rowspan="1">ii, 7</td>
<td id="2FE68DB7D5A57E488F8A602AF067CAA2" colspan="1" rowspan="1">i, 10–11</td>
<td id="7582D87FAE9F1D72A7E40D00A9EC4144" colspan="1" rowspan="1">i, 6</td>
<td id="8FBB5371B46B504F25DEE287093E04B2" colspan="1" rowspan="1">iii, 5</td>
<td id="0747525053420FAFED9C81891F14C59F" colspan="1" rowspan="1">13–14</td>
<td id="7B89E916D22CC5926B4F81A3698F22D2" colspan="1" rowspan="1">Developed</td>
</tr>
<tr id="28F108EF3D1B5FF504A20125721071E2">
<td id="77B6589C01FFAC506D99171AAD0E4ED5" colspan="1" rowspan="1">
<taxonomicName id="3CA070AB2FDD47CADF853813F48EBB00" authorityName="Yang, Wu, Wei &amp; Yang" authorityYear="2011" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="luochengensis">
<emphasis id="A5A641A5DDA691DAF0B003A92B1AE4DD" italics="true">O. luochengensis</emphasis>
</taxonomicName>
</td>
<td id="90D68E58590A18B958F501E4FF52F61F" colspan="1" rowspan="1">Absent</td>
<td id="5441462044327588D3E47466DA533E1C" colspan="1" rowspan="1">iii, 7</td>
<td id="AE445E2BC62C2C00B57B23F686DF2EF4" colspan="1" rowspan="1">i, 11–12</td>
<td id="2EB1C3FC01F12F0373603F0540360187" colspan="1" rowspan="1">i, 7</td>
<td id="957138161B6D0A899DE3E454D734EDB2" colspan="1" rowspan="1">ii, 5</td>
<td id="E1AEE6AF058C17110B5B2B0C732C718A" colspan="1" rowspan="1">14–16</td>
<td id="4B595391DC7F7AE68D6748ED855B9712" colspan="1" rowspan="1">Developed</td>
</tr>
<tr id="935B52EE3DC4F9E60A2D59EAA9D7DB4B">
<td id="CF10125378F285EB6D9BF507A35B4175" colspan="1" rowspan="1">
<taxonomicName id="D2703B192EDABF6F161DB085FDC0080B" authorityName="Yang, Wei, Lan &amp; Yang" authorityYear="2011" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="guananensis">
<emphasis id="CAEF5AA00F3AF5BD085D8C73D8D021BF" italics="true">O. guananensis</emphasis>
</taxonomicName>
</td>
<td id="DDE81EED9E4B170D31B910966F016181" colspan="1" rowspan="1">Present</td>
<td id="7524588CF9112C4D8C4F0002C6C4B0C9" colspan="1" rowspan="1">iii, 7</td>
<td id="094232F30CB4FBDB7874791EBB7297DE" colspan="1" rowspan="1">i, 10–11</td>
<td id="B36037DC21F7F8266CC8151B404B3119" colspan="1" rowspan="1">i, 7–8</td>
<td id="AF06E16FF41A4FA1A178FE27B4A86B1D" colspan="1" rowspan="1">iii, 5</td>
<td id="11022A9FAD6428127E9E81915D498E3C" colspan="1" rowspan="1">13–17</td>
<td id="D525D98DE04D00D8381C074BFC3B2B2E" colspan="1" rowspan="1">Developed</td>
</tr>
<tr id="D2AB5710BC515A83C0594F7B6F55C8A3">
<td id="4DF8C3C0D5075D67A92426804C2BF03C" colspan="1" rowspan="1">
<taxonomicName id="EBB53AD6CEEF73BBE8FE442FF8A940F0" authorityName="Luo, Yang, Du &amp; Luo" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="andongensis">
<emphasis id="AC5A29853A6AB44FF9B8E04F4F5E6563" italics="true">O. andongensis</emphasis>
</taxonomicName>
</td>
<td id="88DE0F7BBF0F278C8E9D159BC12962A8" colspan="1" rowspan="1">Present</td>
<td id="A96BF13FD3666654DA22F15EF45D6518" colspan="1" rowspan="1">iii, 7</td>
<td id="8D4FE1AEADD0B55403E51FC79CE2C990" colspan="1" rowspan="1">i, 9–10</td>
<td id="8EB3867688C788A1BECE0795A03BCA73" colspan="1" rowspan="1">i, 6</td>
<td id="3F05F303C5683B236E537A53B5349BFF" colspan="1" rowspan="1">iii, 5</td>
<td id="5440C412F8D96A9D9928B78FDE0E79CF" colspan="1" rowspan="1">13–14</td>
<td id="5BCA532A23A7CA992E7E19DC55C5FFE4" colspan="1" rowspan="1">Developed</td>
</tr>
<tr id="333202883E31CEB707043D82A4829CCA">
<td id="DA803DA112E7D7411A000E7E587CAA06" colspan="1" rowspan="1">
<taxonomicName id="7503235737334612F1570A9631477A00" authorityName="Du, Chen &amp; Yang" authorityYear="2008" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="polystigmus">
<emphasis id="FEF95B0897FD5F3DF60EA3AB44B34167" italics="true">O. polystigmus</emphasis>
</taxonomicName>
</td>
<td id="2B601A3129EEABD711A9500B1377339F" colspan="1" rowspan="1">Present</td>
<td id="538B67B340E2C3EC9597C70EB7A1E8DD" colspan="1" rowspan="1">iii, 6–7</td>
<td id="256D8C3394BD3E299B60D3465946140E" colspan="1" rowspan="1">i, 9</td>
<td id="07C1E392A92AFC579D5617257F22C0AB" colspan="1" rowspan="1">i, 6</td>
<td id="2CFE32C434726989A1F1F8F8C54BAE99" colspan="1" rowspan="1">ii, 5</td>
<td id="5DD42E06403E7B04B55EAE0999E3F465" colspan="1" rowspan="1">14–15</td>
<td id="DA02D1F67FCFD5FFD45544A78A247113" colspan="1" rowspan="1">Developed</td>
</tr>
</tbody>
</table>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E5QAG" type="description">
<paragraph id="AB78A163026A32910BD265B0F9D9835A">
<heading id="CE5C9B87261D6C4E30CF2EF2953BACAD" reason="title">Description.</heading>
</paragraph>
<paragraph id="0E6B66CE70EF79BB343894A1DF4A0EEF">
Morphometric data are given in Tables
<tableCitation id="3786B80341B2570AA8A90ACAA0F6D48D" captionStart="Table 3" captionStartId="T3" captionText="Table 3. Oreonectes species and comparison of identifying characteristics between the new species and its congeners." httpUri="http://table.plazi.org/id/536C0ED5E96C905F14231871D5951EDE" tableUuid="536C0ED5E96C905F14231871D5951EDE">3</tableCitation>
,
<tableCitation id="8FF5B3A7DE44BFBB7578F0191E3A3602" captionStart="Table 4" captionStartId="T4" captionText="Table 4. Comparison of measurable traits between Oreonectes zhangi sp. nov. and similar species, O. damingshanensis. The numbers in parentheses are the mean ± standard deviation (SD)." httpUri="http://table.plazi.org/id/0A49095D7246E404BABF7E88894CE3F9" tableUuid="0A49095D7246E404BABF7E88894CE3F9">4</tableCitation>
. Body elongated and cylindrical, with insignificant depth decreasing from dorsal-fin origin to caudal-fin base. Head short, head length 18.6–20.2 % of standard length, slightly depressed and flattened, width greater than depth (head width / head depth = 1.1–1.5), head depth 59.6–68.1 % of head length. Snout round, oblique, and flat, length 38.2–48.8 % of head length (
<abbrev id="ABBRID0EMRAG" xlink_title="lateral head length">HL</abbrev>
). Mouth inferior, curved, upper, and lower lips have shallow wrinkles and small spinous processes; lower lip with V-shaped median notch (Fig.
<figureCitation id="915DC0ADADB78AE26642604607EA63A9" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Oreonectes zhangi sp. nov., NNNU 2023100203, holotype, 71.1 mm TL, 63.1 mm SL. The ventral view of the mouth (A) and close-ups of the upper (B) and lower (C) lips are shown; the black arrow indicates the position of the small spinous processes." figureDoi="10.3897/zse.100.125866.figure6" httpUri="https://binary.pensoft.net/fig/1130779">6</figureCitation>
). Three pairs of barbels, long: inner rostral barbel 35.4–44.1 % of
<abbrev id="ABBRID0EURAG" xlink_title="lateral head length">HL</abbrev>
, extending backward, not reaching anterior margin of eye; outer rostral barbel 49.0–67.6 % of
<abbrev id="ABBRID0EYRAG" xlink_title="lateral head length">HL</abbrev>
, extending backward beyond posterior margin of eye. Maxillary barbel 38.4–52.2 % of
<abbrev id="ABBRID0E3RAG" xlink_title="lateral head length">HL</abbrev>
, tip not reaching posterior margin of gill cover. Anterior and posterior nostrils are separated by a short distance, 16.8 % – 36.8 % of eye diameter. Anterior nostril tube short, with elongated, short barbel-like tip. Eyes normal, diameter 11.9–17.1 % of
<abbrev id="ABBRID0EASAG" xlink_title="lateral head length">HL</abbrev>
. Gill opening small; gill rakers not developed; nine inner gill rakers on first gill arch (n = 2).
</paragraph>
<caption id="0A49095D7246E404BABF7E88894CE3F9" ID-Table-UUID="0A49095D7246E404BABF7E88894CE3F9" httpUri="http://table.plazi.org/id/0A49095D7246E404BABF7E88894CE3F9" startId="T4" targetIsTable="true">
<paragraph id="770B7FD4D9B1CCBD9BE3B6E937704AA2">
<label id="2C8E9B341455409A35146C450892196F">Table 4.</label>
</paragraph>
<paragraph id="1E902E9BB779DC5C5DE0AE9103496B32">
Comparison of measurable traits between
<taxonomicName id="A54CDEF389A764E15601243417405C09" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="F501514160064F96DA941DD9502E2B72" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="5EFB2F346C67A1ADFD80975B8E11D9F2" rank="species">sp. nov.</taxonomicNameLabel>
and similar species,
<taxonomicName id="DA11C2FDA289D15690F67110B45A6B02" authorityName="Yu, Luo, Zhou, Deng &amp; Zhou" authorityYear="2023" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="damingshanensis">
<emphasis id="58F8C0310AE28A48E145A0E1ED200900" italics="true">O. damingshanensis</emphasis>
</taxonomicName>
. The numbers in parentheses are the mean ± standard deviation (SD).
</paragraph>
</caption>
<paragraph id="C3A6A0084D87B9787770D07D46B0D26B">
<table id="TID0E4MBG" rules="all">
<tbody id="B328B13B5219EBC149A2E664FD3F42F2">
<tr id="EA19BAFF840AA45366EB7A17F3107119">
<th id="496596EF8D2ED3A75A1EEED712EDB46A" colspan="1" isEmpty="true" rowspan="1">-</th>
<th id="140EEEED53C396D08983AF8E1C160561" colspan="1" rowspan="1">
<taxonomicName id="54501357BE43D95F3529EC54076FBF03" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="C54BDEBD622A4214ACB1C9ED62A3D151" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="806B7B7CBCB201A64A03F53BECCA5767" rank="species">sp. nov.</taxonomicNameLabel>
</th>
<taxonomicName id="0B0F4AEB6453E8B0CEB711F8B74EA333" authority="Number" authorityName="Number" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="damingshanensis">
<th id="DC7D4F3D70D00B882F64C34293A30628" colspan="1" rowspan="1">
<emphasis id="ED7D5D4F9A51AECEF3598AD80FE391AC" italics="true">O. damingshanensis</emphasis>
</th>
<tr id="BE8ADA63E96866E5E2AF02F352288964">
<td id="5C83DB2B19BFABD6FD9442B6059032A6" colspan="1" rowspan="1">Number of specimens</td>
<td id="C141A8603794DA600EEC00E42D4AE1C7" colspan="1" rowspan="1">15</td>
<td id="96E00D50D592D6CD8C41BB4BDFF82910" colspan="1" rowspan="1">10</td>
</tr>
</taxonomicName>
</tr>
<tr id="E22DEF263996331A1D74D3B2BF55FDF3">
<td id="9ED516493B386C3AE0FE81306D0B0EBD" colspan="1" rowspan="1">
<abbrev id="ABBRID0EYUAG" xlink_title="total length">TL</abbrev>
(mm)
</td>
<td id="54E9DB6DA620FF0D479C722C00963D64" colspan="1" rowspan="1">59.8–81.8 (71.0 ± 8.3)</td>
<td id="C096B61BFCB87A0697DA353CF452DC9D" colspan="1" rowspan="1">69.8–85.7 (78.9 ± 4.5)</td>
</tr>
<tr id="7512E17862B55B7D35095F29D12F0FC9">
<td id="EC0DE5689F8DAA1B38FE4F769A9AAE87" colspan="1" rowspan="1">
<abbrev id="ABBRID0EHVAG" xlink_title="standard length">SL</abbrev>
(mm)
</td>
<td id="0E140077C9E62D116914A8D45CBCD619" colspan="1" rowspan="1">49.8–67.6 (58.8 ± 7.1)</td>
<td id="B101E756D0D54A02FB3B2E99F1727D08" colspan="1" rowspan="1">56–70.6 (65.4 ± 4.6)</td>
</tr>
<tr id="DF33903356727BD40A8C1418A8B80BA4">
<td id="6D59BE82C0A73B817CC8AA59922224C6" colspan="3" rowspan="1">
<emphasis id="DA70363EF02134FC0003C04F407465EC" bold="true">
Percentage of
<abbrev id="ABBRID0EYVAG" xlink_title="standard length">SL</abbrev>
(%)
</emphasis>
</td>
</tr>
<tr id="A5B9DAB1C7738E14B1924A7B1138EBE9">
<td id="8AE9D6695A982732645FBFA05526E9E9" colspan="1" rowspan="1">Body depth at dorsal-fin origin</td>
<td id="63043301FD84E1CE15AB47D43531A556" colspan="1" rowspan="1">14.0–16.1 (14.7 ± 0.7)</td>
<td id="4497F5E7195471FD1F3E8C7726FA04A1" colspan="1" rowspan="1">11.1–13.3 (12.2 ± 0.7)</td>
</tr>
<tr id="52F5EB398697466B1214F53083EBFC01">
<td id="92F770D4AB9E68DDB029E691BBB748A1" colspan="1" rowspan="1">Body width at dorsal-fin origin</td>
<td id="27DF3144C7944E130AFA050E8C80CEA9" colspan="1" rowspan="1">9.3–12.8 (11.3 ± 1.1)</td>
<td id="D22EA1CF1BFAD777A5205D7070C3A488" colspan="1" rowspan="1">8.1–10.1 (9.1 ± 0.7)</td>
</tr>
<tr id="9AB38EA19EE303691411FDF0142FC782">
<td id="5804D2F14A7F9F5BF9C42BDBE4DB2CA6" colspan="1" rowspan="1">Lateral head length</td>
<td id="50BA7EDDED160BC288D8D6FB022508CF" colspan="1" rowspan="1">18.6–20.2 (19.3 ± 0.7)</td>
<td id="2340D7D3D0CB57AFE1FF249804529D9B" colspan="1" rowspan="1">18.5–21.2 (19.7 ± 1.1)</td>
</tr>
<tr id="C42F7EB615879A6E9B343BF71795AA5B">
<td id="251B57866BBF5ECEA7A7DC5502EBA3FE" colspan="1" rowspan="1">Predorsal length</td>
<td id="857E68DAE43A1243F674BC1523887F18" colspan="1" rowspan="1">56.2–59.4 (58.0 ± 1.2)</td>
<td id="14173F2050880BF3B1A7EA167252B76B" colspan="1" rowspan="1">56.8–60.5 (58.3 ± 1.1)</td>
</tr>
<tr id="8E1A31CDFDDAA4CDBF377B440FD43BCB">
<td id="CE8D9C6C30E6EEE1BBD25E93C8A7E847" colspan="1" rowspan="1">Dorsal fin length</td>
<td id="E1A822F0BBC34E6EA01009F1F9664B69" colspan="1" rowspan="1">16.7–21.1 (17.7 ± 1.4)</td>
<td id="B823610F606EF840598C77D5B4776601" colspan="1" rowspan="1">16.9–20.7 (18.9 ± 1.3)</td>
</tr>
<tr id="8566AD80ECAE0399A1F2D08791BE170A">
<td id="98832F8431E300FEAD6DDE39F0F71449" colspan="1" rowspan="1">Dorsal fin base length</td>
<td id="2A498ACB32D1B81AAC20F424DD4D2A68" colspan="1" rowspan="1">7.2–9.7 (8.7 ± 0.8)</td>
<td id="CA13E21F05994967CD5418227015E474" colspan="1" rowspan="1">8.2–11.2 (9.5 ± 1.0)</td>
</tr>
<tr id="2B69ACC4E8AE389A9F153E52863A5ECD">
<td id="06DEA89BDEBAA618C24DA7418BE11BBE" colspan="1" rowspan="1">Prepelvic length</td>
<td id="1DBAA04AB6AA68E3FE7DB2210749C008" colspan="1" rowspan="1">48.1–50.8 (49.1 ± 1.0)</td>
<td id="81C242FA250B4C121AAA662239140D67" colspan="1" rowspan="1">48.7–52.6 (50.7 ± 1.1)</td>
</tr>
<tr id="2E2EE99207461463C8C7E3E181EE89CB">
<td id="93DE4E0138F786D296F0398D386F894C" colspan="1" rowspan="1">Pelvic fin length</td>
<td id="D9339A83D508E2403B1AD3D483E9AE88" colspan="1" rowspan="1">16.1–17.7 (16.7 ± 0.7)</td>
<td id="223527E6E93BD4E067E1E420BBB3B0B5" colspan="1" rowspan="1">14.4–18.3 (15.8 ± 1.2)</td>
</tr>
<tr id="E604862F847A3E156B6DD5557D1355B8">
<td id="9153827383356BC583244AF13DEB10D5" colspan="1" rowspan="1">Pelvic fin base length</td>
<td id="6348DBF1590598443138CAC28E9171E6" colspan="1" rowspan="1">3.9–4.9 (4.3 ± 0.3)</td>
<td id="BB9586E5E57399BE3625C8C34A129E35" colspan="1" rowspan="1">2.8–4.4 (3.5 ± 0.5)</td>
</tr>
<tr id="6AB16BEF14FADC330B89B473F27316EF">
<td id="E919850F3780B73373034C6E607A3557" colspan="1" rowspan="1">Preanus length</td>
<td id="0740E9E9B34F43138C1D1DACFE5297F2" colspan="1" rowspan="1">67.4–72.1 (69.3 ± 1.5)</td>
<td id="BAAFFF731D60896D86B8326469DC8557" colspan="1" rowspan="1">67.0–70.8 (69.2 ± 1.0)</td>
</tr>
<tr id="0A08140BAF7A6019017B5970A5E4AE47">
<td id="1C826ABAA8654FC59D3B0493E1A0C71A" colspan="1" rowspan="1">Preanal length</td>
<td id="718882F2D618849811F95F1F1EAD5EB3" colspan="1" rowspan="1">67.7–78.7 (73.8 ± 0.4)</td>
<td id="9114AEB4D210CB4C87D7D0490964C05D" colspan="1" rowspan="1">73.8–78.3 (76.0 ± 1.8)</td>
</tr>
<tr id="95C852107F07F6A4205008D91FF2B473">
<td id="7BE62090ABDAD0EA3A383A22703ED46A" colspan="1" rowspan="1">Anal fin length</td>
<td id="306417C9FDB7FEEA6CD90A5E5332534A" colspan="1" rowspan="1">15.1–19.5 (16.7 ± 1.5)</td>
<td id="324D6B63D10F4FF455BF0FD1B558FD22" colspan="1" rowspan="1">14.8–20.9 (17.4 ± 1.6)</td>
</tr>
<tr id="E4BB967544BF462408CC367470B5FD6A">
<td id="7859DD27E180D5E6D63ADFA3EBB9E79A" colspan="1" rowspan="1">Anal fin base length</td>
<td id="891A31CD9D5BC9948027BD366424E9D2" colspan="1" rowspan="1">6.6–9.0 (7.4 ± 0.8)</td>
<td id="47A181DE936A14655B8B9F2E50196A3C" colspan="1" rowspan="1">6.9–9.5 (7.8 ± 0.8)</td>
</tr>
<tr id="EA9BAA3A9303B47151C19DE46BFF9AE0">
<td id="E4BB4517919637D881DD9DF0A7599AFA" colspan="1" rowspan="1">Prepectoral length</td>
<td id="573D509E361DDFDA6E79D16B72058F44" colspan="1" rowspan="1">18.3–21.2 (19.7 ± 1.1)</td>
<td id="20A7B1EE9D254AAE05A0BEC9C8E8001E" colspan="1" rowspan="1">17.6–27.7 (21.6 ± 2.6)</td>
</tr>
<tr id="F504349C4C9803BB0CB7649DE07B8282">
<td id="047D498441AACB0F392C6916681FFA75" colspan="1" rowspan="1">Pectoral fin length</td>
<td id="4D0216F79609A66BBDEA243F13267EB6" colspan="1" rowspan="1">15.9–18.9 (17.3 ± 0.9)</td>
<td id="8949B457BE5FCB49EE66487C6D01AA86" colspan="1" rowspan="1">15.6–19.1 (17.1 ± 1.1)</td>
</tr>
<tr id="9E1405DF8D1FD4C027116FACCE641BA6">
<td id="B9D9F00B03B23AE94583B20A0001F3EE" colspan="1" rowspan="1">Pectoral fin base length</td>
<td id="D9907E43C6D58F23A82782B3317EE1AB" colspan="1" rowspan="1">4.4–5.3 (4.8 ± 0.3)</td>
<td id="C3340A7B3AF8C2049FABDEE37ABAEBED" colspan="1" rowspan="1">3.3–4.6 (3.9 ± 0.4)</td>
</tr>
<tr id="B0E876FD9AA13DC56DADC577F4ABFDD3">
<td id="0ED00E18652B222F286267F5C72BE075" colspan="1" rowspan="1">Caudal peduncle length</td>
<td id="C6350EF0E7C46F0D683EDB0AC2215A4B" colspan="1" rowspan="1">13.3–19.9 (16.1 ± 1.9)</td>
<td id="43D383832336CE7411A7449EDF519173" colspan="1" rowspan="1">14.3–18.3 (16.3 ± 1.0)</td>
</tr>
<tr id="1E8920BF38E9500B8895ED440EECE443">
<td id="652B1E7445D61009C0D02F540D3B6DA2" colspan="1" rowspan="1">Caudal peduncle depth</td>
<td id="BC9B8EBF37A26D069C95920B593945FE" colspan="1" rowspan="1">11.5–12.5 (11.9 ± 0.3)</td>
<td id="C796FEE9F0C64C29B61C887427990B76" colspan="1" rowspan="1">9.2–11.8 (10.4 ± 0.8)</td>
</tr>
<tr id="B505B7B495981774B397E6D80357FD1B">
<td id="0F7B8757A440616B76E9C3A32CF12671" colspan="3" rowspan="1">
<emphasis id="AFA3E3A8B08C47D9FFCF13BEC9FC7CC8" bold="true">
Percentage of
<abbrev id="ABBRID0EY2AG" xlink_title="lateral head length">HL</abbrev>
(%)
</emphasis>
</td>
</tr>
<tr id="07EE9FFAA579DAD9C621B6966A2D7AA2">
<td id="19B59E0DB151F81A7365E5E087A1D5BC" colspan="1" rowspan="1">Head depth at nape</td>
<td id="A03E2A6EBB481DC285966AC250F7EC56" colspan="1" rowspan="1">59.6–68.1 (63.2 ± 2.9)</td>
<td id="CF34634A209B887A5F04220CE8FA6C46" colspan="1" rowspan="1">46.7–54.6 (51.2 ± 2.6)</td>
</tr>
<tr id="8AB780121E2DA88DF8DDE6563DC9F9A1">
<td id="AC6BA77D94F471316383CB8810D6C59E" colspan="1" rowspan="1">Maximum head width</td>
<td id="C906B52735756DB553466D53E3152153" colspan="1" rowspan="1">70.4–89.3 (82.2 ± 5.3)</td>
<td id="BB5BAEEE5F0C0173F59F350399851BD5" colspan="1" rowspan="1">71.9–83.2 (76.3 ± 3.7)</td>
</tr>
<tr id="0B306BF17B8DF98673FEE970995C5C86">
<td id="3445006FB7870D0A68595A6386F35271" colspan="1" rowspan="1">Snout length</td>
<td id="5AFAB90F9953C2439CC01B5E278706D8" colspan="1" rowspan="1">38.2–48.8 (41.8 ± 3.1)</td>
<td id="CD15D37CFEF839B813F0FE9E625F6C15" colspan="1" rowspan="1">37.0–44.7 (39.5 ± 2.6)</td>
</tr>
<tr id="FD08BFD030F6806FDDAFDF9104C5E1BF">
<td id="72DAF51F7F659A062EA1AE8E3FC0163D" colspan="1" rowspan="1">Outer rostral barber length</td>
<td id="0523599EF0D2B08F2F3BF00AF7E4D6D0" colspan="1" rowspan="1">49.0–67.6 (57.9 ± 5.2)</td>
<td id="C44FE4BA0EE6FB2ECA2D8893E835FBC6" colspan="1" rowspan="1">50.0–68.2 (56.3 ± 5.6)</td>
</tr>
<tr id="5D41397D9AA97640E853FC0AC13EA6BD">
<td id="062C1708A7A6118949C2692D7A410B1C" colspan="1" rowspan="1">Maxillary barber length</td>
<td id="6101D1B1CD4454CB8646906DC632D673" colspan="1" rowspan="1">38.4–52.2 (46.3 ± 4.7)</td>
<td id="000B22317F1320E24B5C4C6BCCFE2630" colspan="1" rowspan="1">37.1–46.4 (41.9 ± 3.6)</td>
</tr>
<tr id="9A0B593C66396E877C3AB814D0EFD03D">
<td id="10C66DFD4154D61EC9DB6ACCFC078DA5" colspan="1" rowspan="1">Inner barber length</td>
<td id="C8BE7EF3F5AB7993E74677DD3E868603" colspan="1" rowspan="1">35.4–44.1 (38.8 ± 2.8)</td>
<td id="DD160B611FE3A5B442ABD3A16278A134" colspan="1" rowspan="1">37.1–46.4 (41.9 ± 3.1)</td>
</tr>
<tr id="70A5DCCF3980E1A611BBA9B0F1F1884C">
<td id="BAC5CA28D516BE2B72AA8FB5181C846D" colspan="1" rowspan="1">Eye diameter</td>
<td id="9DB3EE5A40C2E775703F71C5DE7434E5" colspan="1" rowspan="1">11.9–17.1 (14.6 ± 1.8)</td>
<td id="0D71A88E0FA6B04533F4451C5C09CE1F" colspan="1" rowspan="1">10.2–17.7 (14.5 ± 2.4)</td>
</tr>
<tr id="87DE5B5F9B37A03B09B5F7629E54C32F">
<td id="ED5260AFBF9C863A037CB7D12A2DCF53" colspan="1" rowspan="1">Interorbital width</td>
<td id="608D67200DCC95D66AF0B7D582103A34" colspan="1" rowspan="1">29.2–52.5 (44.2 ± 6.7)</td>
<td id="5AE0C71F4553B430F9810A4307B981B2" colspan="1" rowspan="1">39.9–47.5 (43.5 ± 2.2)</td>
</tr>
<tr id="50839429AB6F0F88FC31596256400AE3">
<td id="D234C90F01E64142A504D39470A3232C" colspan="1" rowspan="1">Distance between anterior nostrils</td>
<td id="A77F1489BE3B11BC44E8579D6C0AB97D" colspan="1" rowspan="1">25.4–34.4 (31.9 ± 2.8)</td>
<td id="19A0124AAC2814A20A58A9253A1CC95A" colspan="1" rowspan="1">25.5–30.6 (28.6 ± 1.8)</td>
</tr>
<tr id="5A19BF27A5F190072493DDCD9F3C81F6">
<td id="A202337334C043F4D1E0DB41BF8456A9" colspan="1" rowspan="1">Distance between posterior nostril</td>
<td id="B1A67E7D09F719F1B8B539E245199AD6" colspan="1" rowspan="1">29.6–41.9 (37.2 ± 3.8)</td>
<td id="BE0999852DD223516A833690CCBA5D74" colspan="1" rowspan="1">30.5–34.6 (33.3 ± 1.4)</td>
</tr>
</tbody>
</table>
</paragraph>
<caption id="E6D46F4780D607088394B69123394F6C" ID-DOI="10.3897/zse.100.125866.figure6" ID-arpha="A6BA2D93-C932-5EF5-992B-9C5B9CD6BC4F" httpUri="https://binary.pensoft.net/fig/1130779" startId="F6">
<paragraph id="6D3682E858B181085F1B23E5F94BA94A">
<label id="435539061A01D13467C8B9F2F49D3E17">Figure 6.</label>
</paragraph>
<paragraph id="0F9876BB25C6EEA6CBA32FBBD3560DD6">
<taxonomicName id="58D602AC08116214B61256D984239465" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="D02F063491D04BC66692041EB1B5428E" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A8BA8AF410B5FFB74D2A21F88E5EC971" rank="species">sp. nov.</taxonomicNameLabel>
, NNNU 2023100203, holotype, 71.1 mm
<abbrev id="ABBRID0EU6AG" xlink_title="total length">TL</abbrev>
, 63.1 mm
<abbrev id="ABBRID0EY6AG" xlink_title="standard length">SL</abbrev>
. The ventral view of the mouth (
<emphasis id="627B3FF65E6F2B92B44F2661BDFA77F0" bold="true">A</emphasis>
) and close-ups of the upper (
<emphasis id="F57AEB5CD482EC4D2BDEA5F9D9A1C8E4" bold="true">B</emphasis>
) and lower (
<emphasis id="6059E2AA88A3E10D0F8CB144509D108A" bold="true">C</emphasis>
) lips are shown; the black arrow indicates the position of the small spinous processes.
</paragraph>
</caption>
<paragraph id="9A5286BE4112213126E8D0102A7CF69E">
Dorsal-fin rays iii, 7, pectoral-fin rays i, 8–9, pelvic-fin rays i, 6, anal-fin rays iii, 5, branched caudal fin rays 15–16. Dorsal fin short, length 16.7 % – 21.1 % of
<abbrev id="ABBRID0EJABG" xlink_title="standard length">SL</abbrev>
, distal margin round, origin posterior to pelvic-fin insertion, situated slightly posterior to two-thirds distance between snout tip and caudal-fin base. Pectoral fin short, length 15.9 % – 18.9 % of
<abbrev id="ABBRID0ENABG" xlink_title="standard length">SL</abbrev>
. Pelvic fin length 16.1–17.7 % of
<abbrev id="ABBRID0ERABG" xlink_title="standard length">SL</abbrev>
; tips of pelvic fin not reaching anus; distance between tips of pelvic fin and anus 0.7 times eye diameter. Anal fin short, length 15.1 % – 19.5 %, origin short distance from anus. Caudal fin rounded, length 13.3 % – 19.9 % of
<abbrev id="ABBRID0EVABG" xlink_title="standard length">SL</abbrev>
, length greater than depth (caudal peduncle length / caudal peduncle depth = 1.1–1.7). vertebrae 4 + 32 (n = 4), having an epural in the caudal skeleton (Fig.
<figureCitation id="55ADE57409879162ABBFCBA90FBEE898" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. The caudal fin skeleton of Oreonectes zhangi sp. nov., NNNU 2023100202, paratype, 64.2 mm SL, pc 1, first preural centrum; pc 2, second preural centrum; h, hypural; hs, haemal spine and arch; ph, parhypural; pls, pleurostylar." figureDoi="10.3897/zse.100.125866.figure7" httpUri="https://binary.pensoft.net/fig/1130780">7</figureCitation>
).
</paragraph>
<caption id="A9BD526BEB7CEAE683F4B20733C659C5" ID-DOI="10.3897/zse.100.125866.figure7" ID-arpha="23F427A8-6BCB-5F4B-A88E-04C6DA1C04B0" httpUri="https://binary.pensoft.net/fig/1130780" startId="F7">
<paragraph id="E25D15554583C02096F4105CF77D9608">
<label id="20236B1B15BCC3939B75EB37EC63B3C9">Figure 7.</label>
</paragraph>
<paragraph id="6728D67D0FAC32CA6978895397D3A7F0">
The caudal fin skeleton of
<taxonomicName id="961499C6C299AA2964BD5983782441A4" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="AB699D8F0F20BEF9D87D3EDA956410EA" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="EDD02703035626AD7D361CD021964EAE" rank="species">sp. nov.</taxonomicNameLabel>
, NNNU 2023100202, paratype, 64.2 mm
<abbrev id="ABBRID0EQBBG" xlink_title="standard length">SL</abbrev>
, pc 1, first preural centrum; pc 2, second preural centrum; h, hypural; hs, haemal spine and arch; ph, parhypural; pls, pleurostylar.
</paragraph>
</caption>
<caption id="A1ED0554173B3A1C0C7ABCF023E71D10" ID-DOI="10.3897/zse.100.125866.figure8" ID-arpha="0A3C895B-C6C9-5CFF-A5F4-EE03CBD773FB" httpUri="https://binary.pensoft.net/fig/1130781" startId="F8">
<paragraph id="6BFF01B8732888D8C336AD04A6541DF4">
<label id="040184C246228DC7E68A731D21EC1B1A">Figure 8.</label>
</paragraph>
<paragraph id="C9678B0227ED3BD5DA551573AEC7F4EA">
Gonadal structure of
<taxonomicName id="7C54BD6932BC75CBC15855040008469C" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="damingshanensis">
<emphasis id="D272A5DF0757AADCE2A2C7392E016561" italics="true">O. damingshanensis</emphasis>
</taxonomicName>
(
<emphasis id="F2FF2533C8D9191BD90CB2C3C572DF23" bold="true">A</emphasis>
), NNNU 2024052007, 56 mm
<abbrev id="ABBRID0EOCBG" xlink_title="standard length">SL</abbrev>
, and
<taxonomicName id="FB5997AEDC5F8E8096F6E94BFF3701B0" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="EF2E5A16D3B10AF9E689E00EF9A25870" italics="true">O. zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="5701261E46D517EB48A55347D34D7994" rank="species">sp. nov.</taxonomicNameLabel>
(
<emphasis id="062DAE3C0BF5B5988E9B367A90D99B77" bold="true">B</emphasis>
), NNNU 2023100215, paratype, 43.2 mm
<abbrev id="ABBRID0E6CBG" xlink_title="standard length">SL</abbrev>
; the black arrow refers to the position of the anus.
</paragraph>
</caption>
<paragraph id="8D55814C43A9B41F7542481C9542A6DC">Body completely covered by scales, except head; lateral line incomplete, with 7–13 pores, last one not reaching above tip of pectoral fin; cephalic lateral-line system, with 8 supraorbital pores, 4 + 9–10 infraorbital pores, three supratemporal canal pores, and 5–8 preoperculo-mandibular canal pores.</paragraph>
<paragraph id="3DD3FF5AE592FF5155DE3458B236ACA8">
U-shaped stomach with straight intestines (Fig.
<figureCitation id="140B7FBFE042207885460D9AACABD81D" captionStart="Figure 9" captionStartId="F10" captionText="Figure 9. Oreonectes zhangi sp. nov., NNNU 2023100202, paratype, 64.18 mm SL; digestive tract." figureDoi="10.3897/zse.100.125866.figure9" httpUri="https://binary.pensoft.net/fig/1130782">9</figureCitation>
). Anterior chamber covered by dumbbell-shaped bony capsule, and posterior chamber reduced, reaching the vertical of the pectoral-fin base (Fig.
<figureCitation id="51F622F6ECEB37FCA51B85C52EBC7350" captionStart="Figure 10" captionStartId="F9" captionText="Figure 10. Air-bladder of Oreonectes zhangi sp. nov.: a, anterior chamber; b, tube connecting anterior and posterior chambers of the air-bladder; c, posterior chamber." figureDoi="10.3897/zse.100.125866.figure10" httpUri="https://binary.pensoft.net/fig/1130783">10</figureCitation>
).
</paragraph>
<caption id="3F21BBB659097FCB3A76C4036D84194D" ID-DOI="10.3897/zse.100.125866.figure9" ID-arpha="AFB93E49-5EC0-51CC-B87A-C10C8F8ADEEA" httpUri="https://binary.pensoft.net/fig/1130782" startId="F10">
<paragraph id="861B30C63884AC91EFFEE5E52778F6C2">
<label id="6B25FD67601BCA6D206069A2D3864497">Figure 9.</label>
</paragraph>
<paragraph id="F8C1FB7D9A363184F55E98B60B86C07B">
<taxonomicName id="143674B866F7C0FEBAEDCDCC6CA849FC" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="97190910CE21911AA4EE1AD812906948" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1EC2B44DE99585564554859724DEFD39" rank="species">sp. nov.</taxonomicNameLabel>
, NNNU 2023100202, paratype, 64.18 mm
<abbrev id="ABBRID0EGEBG" xlink_title="standard length">SL</abbrev>
; digestive tract.
</paragraph>
</caption>
<caption id="223E80E36CDB6821BEEE11554931B819" ID-DOI="10.3897/zse.100.125866.figure10" ID-arpha="CF4D5F50-79CE-5F58-A3EC-65E906CD0453" httpUri="https://binary.pensoft.net/fig/1130783" startId="F9">
<paragraph id="BF44647F12BFD30D890502D9F9B49D69">
<label id="C7924E8AC0473B69630CE748EC3FDBB7">Figure 10.</label>
</paragraph>
<paragraph id="C601D18B309068D19B2B96466F088EAA">
Air-bladder of
<taxonomicName id="D6E978E59A3962ACEC43CD311357C50E" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="86D11B397492B6B0D82A45F85795F0D3" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="07645C0EB01E675F395120FBCA149869" rank="species">sp. nov.</taxonomicNameLabel>
: a, anterior chamber; b, tube connecting anterior and posterior chambers of the air-bladder; c, posterior chamber.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EHFBG" type="Coloration">
<paragraph id="999449FAA2F96CE26A22F124F93E6A6D">
<heading id="AE875EC2EAFB41B6E9833446892FFC8F" reason="title">Coloration.</heading>
</paragraph>
<paragraph id="2B7B746815045F7E54AB780F8506807C">
The body is mainly light yellowish brown in color, with dark brown extending from the front of the eyes to the outer rostral barbel. The base of the caudal fin is black, with each fin showing a light yellow hue. When preserved in 10 % formalin, the body color fades to a dark brown shade (Fig.
<figureCitation id="81F1BB502B9B2D074EFC8365B66F12BE" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Dorsal, lateral, ventral, and living views of Oreonectes zhangi sp. nov. NNNU 2023100203, holotype, 71.1 mm TL, 63.1 mm SL." figureDoi="10.3897/zse.100.125866.figure4" httpUri="https://binary.pensoft.net/fig/1130777">4 B</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0ERFBG" type="Sexual dimorphism">
<paragraph id="69751FE16A78F8E61F0CA385C6D3BBA4">
<heading id="64EC39C98632F482216040AA057BDD0B" reason="title">Sexual dimorphism.</heading>
</paragraph>
<paragraph id="6470929541106BE12C6362110FCF90BC">
Males have an oval genital papilla located immediately posterior to the anus (Fig.
<figureCitation id="A9FB7B15CC6F0EF79D8A84FEB43A000C" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Gonadal structure of O. damingshanensis (A), NNNU 2024052007, 56 mm SL, and O. zhangi sp. nov. (B), NNNU 2023100215, paratype, 43.2 mm SL; the black arrow refers to the position of the anus." figureDoi="10.3897/zse.100.125866.figure8" httpUri="https://binary.pensoft.net/fig/1130781">8 B</figureCitation>
), which is unclear in females (Fig.
<figureCitation id="37ED1AF930F1006E9B68A076EDBBE8F1" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Dorsal, lateral, ventral, and living views of Oreonectes zhangi sp. nov. NNNU 2023100203, holotype, 71.1 mm TL, 63.1 mm SL." figureDoi="10.3897/zse.100.125866.figure4" httpUri="https://binary.pensoft.net/fig/1130777">4 C</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0E6FBG" type="distribution">
<paragraph id="C1045C90E50F6BF384561A99AA868BEA">
<heading id="F235F1380CB96C8426C3359397F379D6" reason="title">Distribution, habitat, and populations.</heading>
</paragraph>
<paragraph id="3754B642305992322411F7CDD591AB13">
Based on field investigations, the species is abundant and commonly found in the streams of Mt. Hanshan in Xingye County, Yulin City, and
<collectingRegion id="513ADD098372D630F19550AEBA72251A" country="China" name="Guangxi">Guangxi</collectingRegion>
,
<collectingCountry id="A26196CE5174FD99B6E0F1299B8C4FC6" name="China">China</collectingCountry>
(Fig.
<figureCitation id="19E6863E6ABC977CBAE0E212EABDA3A1" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Habitat of Oreonectes zhangi sp. nov." figureDoi="10.3897/zse.100.125866.figure11" httpUri="https://binary.pensoft.net/fig/1130784">11</figureCitation>
). During the day, the species typically seeks shelter in stone crevices and substrates, emerging at night to feed. Exposure to intense light can cause their body color to change from light yellow to dark brown or black. Their diet consists of sediment and tadpoles, including those of Quasipaa spinosa. Interestingly, many pregnant females were collected, even in December. The stream habitats also harbored other species, such as
<taxonomicName id="0D4C568B30F02A15F6191EA3ADB006FA" baseAuthorityName="Nichols &amp; Pope" baseAuthorityYear="1927" family="Nemacheilidae" genus="Schistura" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="fasciolatus">
<emphasis id="583FD6F647351C1452E5C932F482553E" italics="true">Schistura fasciolatus</emphasis>
</taxonomicName>
,
<taxonomicName id="281FAC49EEC29A7ECF53C4EB2A63A433" baseAuthorityName="Lin" baseAuthorityYear="1934" family="Balitoridae" genus="Liniparhomaloptera" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="disparis">
<emphasis id="6F584936DD53EA313CA56678AFF56F10" italics="true">Liniparhomaloptera disparis</emphasis>
</taxonomicName>
, and
<taxonomicName id="E4512F61D1C8481FC6DF95DA02FC228B" authorityName="Gill" authorityYear="1859" family="Gobiidae" genus="Rhinogobius" kingdom="Animalia" order="Perciformes" phylum="Chordata" rank="species" species="similis">
<emphasis id="401B1AB3E14A99C0DD7645928B140C7E" italics="true">Rhinogobius similis</emphasis>
</taxonomicName>
.
</paragraph>
<caption id="608321285095B4366F05A2D9275F1E1D" ID-DOI="10.3897/zse.100.125866.figure11" ID-arpha="A25CD57A-9496-5AE4-A7E5-AB8FBD01BDE8" httpUri="https://binary.pensoft.net/fig/1130784" startId="F11">
<paragraph id="85167D1B6B6EB6ED2AABBA781C557AFA">
<label id="0EA0D1B065C53CB902BFEEE8B9677D88">Figure 11.</label>
</paragraph>
<paragraph id="94D1276309C63D3EB8384871E16CF49D">
Habitat of
<taxonomicName id="27C367A3991DE28A85D55FE151369183" authorityName="Zhong &amp; Yang &amp; Mo &amp; Chen" authorityYear="2024" family="Nemacheilidae" genus="Oreonectes" kingdom="Animalia" order="Cypriniformes" phylum="Chordata" rank="species" species="zhangi" status="sp. nov.">
<emphasis id="2CDFBA2256BBA2FB1A3ADC0DC869B2D2" italics="true">Oreonectes zhangi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B2C1A07CE6EFE82AD089AD9B42FE876A" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>