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<document id="81452DDC6A90E2FFE70EC2896B280980" ID-DOI="10.11865/zs.201723" ID-ISSN="2095-6827" ID-Zenodo-Dep="5366716" ID-ZooBank="65AF215F-0D14-4658-86C4-DE4539A93495" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630257262452" checkinUser="diego" docAuthor="Chen, Yongxia, He, Dekui, Chen, Hao &amp; Chen, Yifeng" docDate="2017" docId="014787931B55FF85CAABFD24C8BA3A42" docLanguage="en" docName="Taxonomic study of the genus Niwaella (Cypriniformes_ Cobitidae) from East China, with description of four new species.pdf" docOrigin="Zoological Systematics 42 (4)" docStyle="DocumentStyle:07E7829F32901B127B59E960199959BD.1:ZoolSyst.2014-.journal_article" docStyleId="07E7829F32901B127B59E960199959BD" docStyleName="ZoolSyst.2014-.journal_article" docStyleVersion="1" docTitle="Niwaella qujiangensis Chen &amp; Chen 2017, sp. nov." docType="treatment" docVersion="4" lastPageNumber="498" masterDocId="FD7EFFEB1B52FF8DCA23FF91CC7E3E25" masterDocTitle="Taxonomic study of the genus Niwaella (Cypriniformes: Cobitidae) from East China, with description of four new species" masterLastPageNumber="507" masterPageNumber="490" pageNumber="497" updateTime="1699199719076" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="3D31427E499D03B9665B833EC9714E88">Taxonomic study of the genus Niwaella (Cypriniformes: Cobitidae) from East China, with description of four new species</mods:title>
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<mods:namePart id="352402CE4A13C347B9B8E147B5F2DF0E">Chen, Yongxia</mods:namePart>
<mods:affiliation id="93DCD0C0821F6F0196AC482B76DE2726">College of Life Sciences, Hebei University, Baoding 071002, Hebei, China, E-mail: chenyongxia @ hbu. edu. cn</mods:affiliation>
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<mods:namePart id="65680501E3A422E20CC468001477343E">He, Dekui</mods:namePart>
<mods:affiliation id="9B2C4A84242C63DD894B7D70B9FDBC5F">Laboratory of Biological Invasion and Adaptive Evolution, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, Hubei, China Corresponding author, E-mail: chenyf @ ihb. ac. cn</mods:affiliation>
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<mods:namePart id="22F14E4925B1D6149FE33F6FE872B7FD">Chen, Hao</mods:namePart>
<mods:affiliation id="6E569F1B302F2BD59FF00F54CCFDDBAA">College of Life Sciences, Hebei University, Baoding 071002, Hebei, China, E-mail: chenyongxia @ hbu. edu. cn</mods:affiliation>
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<taxonomicName id="4EEE4D061B55FF8ACAABFD24CE5F3CEB" authority="Chen &amp; Chen" authorityName="Chen &amp; Chen" authorityYear="2017" box="[136,545,693,718]" class="Actinopterygii" family="Cobitidae" genus="Niwaella" kingdom="Animalia" order="Cypriniformes" pageId="7" pageNumber="497" phylum="Chordata" rank="species" species="qujiangensis" status="sp. nov.">
<emphasis id="BB9AEA971B55FF8ACAABFD24CD023CEB" bold="true" box="[136,380,693,718]" italics="true" pageId="7" pageNumber="497">Niwaella qujiangensis</emphasis>
Chen &amp; Chen
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,
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(
<figureCitation id="11D52A001B55FF8AC8BCFD27CF673CEB" box="[671,793,694,718]" captionStart-0="Figures 1215" captionStart-1="Figures 1617" captionStartId-0="7.[155,227,1995,2017]" captionStartId-1="8.[155,227,1824,1846]" captionTargetBox-0="[189,1399,1218,1964]" captionTargetBox-1="[189,1399,1179,1784]" captionTargetId-0="figure-467@7.[189,1399,1218,1964]" captionTargetId-1="figure-558@8.[189,1399,1179,1784]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionText-0="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." captionText-1="Figures 1617. Niwaella qujiangensis Chen &amp; Chen, sp. nov., color in life. 16. Lateral view. 17. Dorsal view. Scale bars=1cm." figureDoi-0="http://doi.org/10.5281/zenodo.5366726" figureDoi-1="http://doi.org/10.5281/zenodo.5366728" httpUri-0="https://zenodo.org/record/5366726/files/figure.png" httpUri-1="https://zenodo.org/record/5366728/files/figure.png" pageId="7" pageNumber="497">Figs 1217</figureCitation>
)
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<paragraph id="895136851B55FF8ACA9EFD7CC96D3D0D" blockId="7.[136,1452,748,1155]" pageId="7" pageNumber="497">
<materialsCitation id="39863CD81B55FF8ACA9EFD7CC96D3D0D" collectingDate="2015-05" country="China" county="Jiangshan" location="Jiangshangang River" municipality="Qujiang River" pageId="7" pageNumber="497" specimenCount="1" stateProvince="Zhejiang" typeStatus="holotype">
<typeStatus id="565588271B55FF8ACA9EFD7CCD5A3D20" box="[189,292,749,773]" pageId="7" pageNumber="497" type="holotype">Holotype</typeStatus>
. HU 1505258, 54.0 mm SL, the
<location id="8C31605E1B55FF8AC85EFD7CCF253D20" LSID="urn:lsid:plazi:treatment:014787931B55FF85CAABFD24C8BA3A42:8C31605E1B55FF8AC85EFD7CCF253D20" box="[637,859,749,773]" country="China" county="Jiangshan" municipality="Qujiang River" name="Jiangshangang River" pageId="7" pageNumber="497" stateProvince="Zhejiang">Jiangshangang River</location>
(a tributary of the
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),
<collectingCounty id="60304E091B55FF8ACEF0FD7CC9423D20" box="[1235,1340,749,773]" pageId="7" pageNumber="497">Jiangshan</collectingCounty>
(29°70N, 118°62E),
<collectingRegion id="4B2AF8671B55FF8ACB21FC81CD1A3D0D" box="[258,356,784,808]" country="China" name="Zhejiang" pageId="7" pageNumber="497">Zhejiang</collectingRegion>
,
<collectingCountry id="F1F976151B55FF8ACB4DFC81CDCE3D0D" box="[366,432,784,808]" name="China" pageId="7" pageNumber="497">China</collectingCountry>
,
<date id="FD5010451B55FF8ACB98FC80CE553D0D" box="[443,555,784,809]" pageId="7" pageNumber="497" value="2015-05">
<collectingDate id="ED14E9AD1B55FF8ACB98FC80CE553D0D" box="[443,555,784,809]" pageId="7" pageNumber="497" value="2015-05">May 2015</collectingDate>
</date>
, collected from the Jiangshan farm product market by Yongxia Chen.
</materialsCitation>
</paragraph>
<paragraph id="895136851B55FF8ACA9EFCA2CE503D96" blockId="7.[136,1452,748,1155]" pageId="7" pageNumber="497">
<materialsCitation id="39863CD81B55FF8ACA9EFCA2CE573D96" collectingDate="2016-04" country="China" county="Yongxia Chen" location="Lingshangang River" longitude="119.23333" municipality="Quanwang" pageId="7" pageNumber="497" specimenCount="19" stateProvince="Zhejiang" typeStatus="paratype">
<typeStatus id="565588271B55FF8ACA9EFCA2CD563D6E" box="[189,296,819,843]" pageId="7" pageNumber="497" type="paratype">Paratypes</typeStatus>
. HU 15052567, 15052701, 150527580, 1505300,
<specimenCount id="9FE8FD0C1B55FF8AC94FFCA2CFCE3D6F" box="[876,944,819,843]" pageId="7" pageNumber="497" type="generic">11 ex.</specimenCount>
,
<quantity id="4E169B601B55FF8AC99FFCA2C82A3D6F" box="[956,1108,819,843]" metricMagnitude="-2" metricUnit="m" metricValue="5.445" metricValueMax="6.38" metricValueMin="4.51" pageId="7" pageNumber="497" unit="mm" value="54.45" valueMax="63.8" valueMin="45.1">45.163.8 mm</quantity>
SL, same data as holotype; HU 1608214, 1608172, 16082945, 1608300, 1608302, 1608304, 1608309,
<specimenCount id="9FE8FD0C1B55FF8AC9AAFCC4CFC13D48" box="[905,959,853,877]" pageId="7" pageNumber="497" type="generic">8 ex.</specimenCount>
,
<quantity id="4E169B601B55FF8AC9EAFCC4C81E3D48" box="[969,1120,853,877]" metricMagnitude="-2" metricUnit="m" metricValue="5.97" metricValueMax="6.85" metricValueMin="5.09" pageId="7" pageNumber="497" unit="mm" value="59.7" valueMax="68.5" valueMin="50.9">50.968.5 mm</quantity>
SL, the
<location id="8C31605E1B55FF8ACE9AFCC4C9EF3D48" LSID="urn:lsid:plazi:treatment:014787931B55FF85CAABFD24C8BA3A42:8C31605E1B55FF8ACE9AFCC4C9EF3D48" box="[1209,1425,853,877]" country="China" county="Yongxia Chen" longitude="119.23333" municipality="Quanwang" name="Lingshangang River" pageId="7" pageNumber="497" stateProvince="Zhejiang">Lingshangang River</location>
(a tributary of the
<location id="8C31605E1B55FF8ACB0EFCE9CDB93DB5" LSID="urn:lsid:plazi:treatment:014787931B55FF85CAABFD24C8BA3A42:8C31605E1B55FF8ACB0EFCE9CDB93DB5" box="[301,455,888,912]" country="China" county="Yongxia Chen" longitude="119.23333" municipality="Quanwang" name="Qujiang River" pageId="7" pageNumber="497" stateProvince="Zhejiang">Qujiang River</location>
),
<location id="8C31605E1B55FF8ACBFAFCE9CE333DB5" LSID="urn:lsid:plazi:treatment:014787931B55FF85CAABFD24C8BA3A42:8C31605E1B55FF8ACBFAFCE9CE333DB5" box="[473,589,888,912]" country="China" county="Yongxia Chen" longitude="119.23333" municipality="Quanwang" name="Quanwang" pageId="7" pageNumber="497" stateProvince="Zhejiang">Quanwang</location>
(28°92N,
<geoCoordinate id="ECDA50421B55FF8AC8E2FCE9CF593DB5" box="[705,807,887,912]" degrees="119" direction="east" minutes="14" orientation="longitude" pageId="7" pageNumber="497" precision="925" value="119.23333">119°14E</geoCoordinate>
),
<collectingRegion id="4B2AF8671B55FF8AC919FCE9CFE23DB5" box="[826,924,888,912]" country="China" name="Zhejiang" pageId="7" pageNumber="497">Zhejiang</collectingRegion>
,
<collectingCountry id="F1F976151B55FF8AC986FCE9CF993DB5" box="[933,999,888,912]" name="China" pageId="7" pageNumber="497">China</collectingCountry>
,
<date id="FD5010451B55FF8AC9D2FCE9C81A3DB5" box="[1009,1124,888,912]" pageId="7" pageNumber="497" value="2016-04">
<collectingDate id="ED14E9AD1B55FF8AC9D2FCE9C81A3DB5" box="[1009,1124,888,912]" pageId="7" pageNumber="497" value="2016-04">April 2016</collectingDate>
</date>
, collected from the
<collectingMunicipality id="6935ACFF1B55FF8ACF1BFCE9C9D53DB5" box="[1336,1451,888,912]" pageId="7" pageNumber="497">Quanwang</collectingMunicipality>
farm product market by
<collectingCounty id="60304E091B55FF8ACBA8FC0ACE573D96" box="[395,553,923,947]" pageId="7" pageNumber="497">Yongxia Chen</collectingCounty>
</materialsCitation>
.
</paragraph>
<paragraph id="895136851B55FF85CA9EFC2CC8743FAA" blockId="7.[136,1452,748,1155]" lastBlockId="8.[136,1452,236,1127]" lastPageId="8" lastPageNumber="498" pageId="7" pageNumber="497">
Diagnosis. The new species can be distinguished from its congeners by possessing the following combination of characteristics: color pattern consisting of vertical stripes continuous along dorsal blotches, a row of 1519 vertical stripes below the lateral midline (
<figureCitation id="11D52A001B55FF8ACBBDFB92CD893A3E" box="[414,503,1027,1051]" captionStart="Figures 1215" captionStartId="7.[155,227,1995,2017]" captionTargetBox="[189,1399,1218,1964]" captionTargetId="figure-467@7.[189,1399,1218,1964]" captionTargetPageId="7" captionText="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366726" httpUri="https://zenodo.org/record/5366726/files/figure.png" pageId="7" pageNumber="497">Figs. 12</figureCitation>
,
<figureCitation id="11D52A001B55FF8AC822FB92CE603A3E" box="[513,542,1027,1051]" captionStart="Figures 1617" captionStartId="8.[155,227,1824,1846]" captionTargetBox="[189,1399,1179,1784]" captionTargetId="figure-558@8.[189,1399,1179,1784]" captionTargetPageId="8" captionText="Figures 1617. Niwaella qujiangensis Chen &amp; Chen, sp. nov., color in life. 16. Lateral view. 17. Dorsal view. Scale bars=1cm." figureDoi="http://doi.org/10.5281/zenodo.5366728" httpUri="https://zenodo.org/record/5366728/files/figure.png" pageId="7" pageNumber="497">16</figureCitation>
); an inconspicuous black stripe from the occiput to the caudal fin on the dorsum, with 1723 long, large surface blotches (
<figureCitation id="11D52A001B55FF8AC82EFBB4CE203A18" box="[525,606,1061,1085]" captionStart="Figures 1617" captionStartId="8.[155,227,1824,1846]" captionTargetBox="[189,1399,1179,1784]" captionTargetId="figure-558@8.[189,1399,1179,1784]" captionTargetPageId="8" captionText="Figures 1617. Niwaella qujiangensis Chen &amp; Chen, sp. nov., color in life. 16. Lateral view. 17. Dorsal view. Scale bars=1cm." figureDoi="http://doi.org/10.5281/zenodo.5366728" httpUri="https://zenodo.org/record/5366728/files/figure.png" pageId="7" pageNumber="497">Fig. 17</figureCitation>
); lower lip and mandible separated, with undeveloped mental lobes (
<figureCitation id="11D52A001B55FF8ACF6EFBB4C9E03A18" box="[1357,1438,1061,1085]" captionStart="Figures 1215" captionStartId="7.[155,227,1995,2017]" captionTargetBox="[189,1399,1218,1964]" captionTargetId="figure-467@7.[189,1399,1218,1964]" captionTargetPageId="7" captionText="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366726" httpUri="https://zenodo.org/record/5366726/files/figure.png" pageId="7" pageNumber="497">Fig. 13</figureCitation>
); suborbital spine straight, with shorter processus latero-caudalis, more than one in 10 of processus medio-caudalis (
<figureCitation id="11D52A001B55FF8ACF6CFBD9C9E33A45" box="[1359,1437,1096,1120]" captionStart="Figures 1215" captionStartId="7.[155,227,1995,2017]" captionTargetBox="[189,1399,1218,1964]" captionTargetId="figure-467@7.[189,1399,1218,1964]" captionTargetPageId="7" captionText="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366726" httpUri="https://zenodo.org/record/5366726/files/figure.png" pageId="7" pageNumber="497">Fig. 14</figureCitation>
); subdorsal scales round, with a large focal area, 2628 radial grooves, and 48 supplementary ones (
<figureCitation id="11D52A001B55FF8ACE91FBFAC97C3AA6" box="[1202,1282,1131,1155]" captionStart="Figures 1821" captionStartId="9.[154,226,1987,2009]" captionTargetBox="[188,1397,1186,1938]" captionTargetId="figure-556@9.[188,1397,1186,1938]" captionTargetPageId="9" captionText="Figures 1821. Niwaella brevipinna Chen &amp; Chen, sp. nov., the Dongshaoxi River, Lin'an, Zhejiang, China. 18. Holotype, HU 1608312, lateral view. 19. Mouth characters, front view. 20. Suborbital spine, left dorsal view, right interior view. 21. Subdorsal scales, dorsal view. Scale bars: 18=1cm; 1920=1mm; 21=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366730" httpUri="https://zenodo.org/record/5366730/files/figure.png" pageId="7" pageNumber="497">Fig. 21</figureCitation>
). It is similar to
<taxonomicName id="4EEE4D061B5AFF85CAABFF7CCD613F21" authorityName="Chen &amp; Chen" authorityYear="2005" box="[136,287,236,260]" class="Actinopterygii" family="Cobitidae" genus="Niwaella" kingdom="Animalia" order="Cypriniformes" pageId="8" pageNumber="498" phylum="Chordata" rank="species" species="longibarba">
<emphasis id="BB9AEA971B5AFF85CAABFF7CCD613F21" box="[136,287,236,260]" italics="true" pageId="8" pageNumber="498">N. longibarba</emphasis>
</taxonomicName>
in color pattern, but differs from the latter by suborbital spine thick and straight, with short processus laterocaudalis, more than one in 10 of processus medio-caudalis (vs. suborbital spine slender and curved, with long processus latero-caudalis, less than one third of processus medio-caudalis); caudal peduncle long, length of caudal peduncle 6.48.9 (mean 7.4) in SL (vs. caudal peduncle short, length of caudal peduncle 7.19.0 (mean 7.9) in SL); subdorsal scales with a large focal area, 2628 radial grooves (vs. a small focal area, 2326 radial grooves).
</paragraph>
<caption id="DD91660D1B55FF8ACAB8F85ACF493604" ID-DOI="http://doi.org/10.5281/zenodo.5366726" ID-Zenodo-Dep="5366726" httpUri="https://zenodo.org/record/5366726/files/figure.png" pageId="7" pageNumber="497" startId="7.[155,227,1995,2017]" targetBox="[189,1399,1218,1964]" targetPageId="7">
<paragraph id="895136851B55FF8ACAB8F85ACF493604" blockId="7.[155,1433,1995,2081]" pageId="7" pageNumber="497">
Figures 1215.
<taxonomicName id="4EEE4D061B55FF8ACB17F85ACEE239C4" authority="Chen &amp; Chen" authorityName="Chen &amp; Chen" authorityYear="2017" box="[308,668,1995,2017]" class="Actinopterygii" family="Cobitidae" genus="Niwaella" kingdom="Animalia" order="Cypriniformes" pageId="7" pageNumber="497" phylum="Chordata" rank="species" species="qujiangensis" status="sp. nov.">
<emphasis id="BB9AEA971B55FF8ACB17F85ACE7539C4" box="[308,523,1995,2017]" italics="true" pageId="7" pageNumber="497">Niwaella qujiangensis</emphasis>
Chen &amp; Chen
</taxonomicName>
,
<emphasis id="BB9AEA971B55FF8AC884F85ACE8B39C5" bold="true" box="[679,757,1995,2016]" pageId="7" pageNumber="497">
<taxonomicNameLabel id="A0A957EC1B55FF8AC884F85ACE8B39C5" box="[679,757,1995,2016]" pageId="7" pageNumber="497" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12 = 1 cm; 1314 =1 mm; 15 = 100 μm.
</paragraph>
</caption>
<paragraph id="895136851B5AFF85CA9EFE0BCD883CA4" blockId="8.[136,1452,236,1127]" pageId="8" pageNumber="498">
Description (
<figureCitation id="11D52A001B5AFF85CB69FE0BCDB83F97" box="[330,454,410,434]" captionStart-0="Figures 1215" captionStart-1="Figures 1617" captionStartId-0="7.[155,227,1995,2017]" captionStartId-1="8.[155,227,1824,1846]" captionTargetBox-0="[189,1399,1218,1964]" captionTargetBox-1="[189,1399,1179,1784]" captionTargetId-0="figure-467@7.[189,1399,1218,1964]" captionTargetId-1="figure-558@8.[189,1399,1179,1784]" captionTargetPageId-0="7" captionTargetPageId-1="8" captionText-0="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." captionText-1="Figures 1617. Niwaella qujiangensis Chen &amp; Chen, sp. nov., color in life. 16. Lateral view. 17. Dorsal view. Scale bars=1cm." figureDoi-0="http://doi.org/10.5281/zenodo.5366726" figureDoi-1="http://doi.org/10.5281/zenodo.5366728" httpUri-0="https://zenodo.org/record/5366726/files/figure.png" httpUri-1="https://zenodo.org/record/5366728/files/figure.png" pageId="8" pageNumber="498">Figs 1217</figureCitation>
,
<tableCitation id="C46C033E1B5AFF85CBF7FE0BCE573F97" box="[468,553,410,434]" captionStart="Table 2" captionStartId="11.[136,192,291,312]" captionText="Table 2. Morphometric and meristic characters for Niwaella, all measurements given in millimeters (mm)." pageId="8" pageNumber="498">Table 2</tableCitation>
). D. III7; A. III5;
<collectionCode id="EFFFAE401B5AFF85C92DFE0BCF5A3F94" box="[782,804,410,433]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="8" pageNumber="498" type="Museum">V</collectionCode>
. I6; P. I6; C. IV1416IV. Body elongate, compressed. Head moderately long, length of head 5.66.7 (mean 6.2) in SL. Snout bluntly rounded. Preorbital part of head shorter than postorbital part of head. Mouth small, inferior, with three pairs of long barbels. Length of maxillo-mandibular barbels longer than diameter of eye. Maxillary barbels not reach under anterior border of eye. Lower lip and mandible separated, with undeveloped mental lobes (
<figureCitation id="11D52A001B5AFF85CB91FDB5CE7C3C19" box="[434,514,548,572]" captionStart="Figures 1215" captionStartId="7.[155,227,1995,2017]" captionTargetBox="[189,1399,1218,1964]" captionTargetId="figure-467@7.[189,1399,1218,1964]" captionTargetPageId="7" captionText="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366726" httpUri="https://zenodo.org/record/5366726/files/figure.png" pageId="8" pageNumber="498">Fig. 13</figureCitation>
). Suborbital spine thick and straight, with shorter processus latero-caudalis, more than one in 10 of processus medio-caudalis (
<figureCitation id="11D52A001B5AFF85C812FDD6CEFF3C7A" box="[561,641,583,607]" captionStart="Figures 1215" captionStartId="7.[155,227,1995,2017]" captionTargetBox="[189,1399,1218,1964]" captionTargetId="figure-467@7.[189,1399,1218,1964]" captionTargetPageId="7" captionText="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366726" httpUri="https://zenodo.org/record/5366726/files/figure.png" pageId="8" pageNumber="498">Fig. 14</figureCitation>
). Subdorsal scales round, with a large focal area, 2628 radial grooves, and 48 supplementary ones (
<figureCitation id="11D52A001B5AFF85CBB9FDFBCD973CA4" box="[410,489,617,642]" captionStart="Figures 1215" captionStartId="7.[155,227,1995,2017]" captionTargetBox="[189,1399,1218,1964]" captionTargetId="figure-467@7.[189,1399,1218,1964]" captionTargetPageId="7" captionText="Figures 1215. Niwaella qujiangensis Chen &amp; Chen, sp. nov., the Jiangshangang River, Jiangshan, Zhejiang, China. 12. Holotype, HU 1505258, lateral view. 13. Mouth characters, front view. 14. Suborbital spine, left dorsal view, right interior view. 15. Subdorsal scales, dorsal view. Scale bars: 12=1cm; 1314=1mm; 15=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366726" httpUri="https://zenodo.org/record/5366726/files/figure.png" pageId="8" pageNumber="498">Fig. 15</figureCitation>
).
</paragraph>
<paragraph id="895136851B5AFF85CA9EFD1DCEA93D29" blockId="8.[136,1452,236,1127]" pageId="8" pageNumber="498">Dorsal fin long, inserted the midway between the occiput and the base of the caudal fin. Length of the dorsal fin 6.3 7.7 (mean 6.9) in SL. Pectoral fins shot, the second branched pectoral fin ray longest. Ventral fins approximately at the same level as the second dorsal-fin ray. Anal fin short, located in far behind dorsal extremity and not reach the caudal fin. Anal orifice close to the anal fin. Caudal fin emarginated tip.</paragraph>
<paragraph id="895136851B5AFF85CA9EFC86CFAF3DF9" blockId="8.[136,1452,236,1127]" pageId="8" pageNumber="498">Pigmentation pattern. Head sprinkled with many black spots, a black stripe extended from the insertion of the rostral barbels through the eye to the occiput. On the dorsum, an inconspicuous black stripe from the occiput through the dorsal fin to the caudal fin, with a surface pigment containing 1723 long blotches. On the dorsolateral surface, moderately large vertical bars continuous along dorsal blotches, and a row of 1519 vertical stripes below the lateral midline. One conspicuous small oblique square spot present on the upper half of the caudal fin base; the upper spot smaller than the diameter of the eye. Three or four rows of brownish dots present on the dorsal and caudal fins.</paragraph>
<paragraph id="895136851B5AFF85CA9EFC76CF593DDA" blockId="8.[136,1452,236,1127]" box="[189,807,999,1023]" pageId="8" pageNumber="498">Sexual dimorphism. Not obvious in external morphology.</paragraph>
<paragraph id="895136851B5AFF85CA9EFB98CDA83A61" blockId="8.[136,1452,236,1127]" pageId="8" pageNumber="498">
Distribution. This new species occurs in the Qujiang River (the upper reaches of the Qiantangjiang River) in
<collectingRegion id="4B2AF8671B5AFF85CF6EFB98CC993A61" country="China" name="Zhejiang" pageId="8" pageNumber="498">Zhejiang Province</collectingRegion>
in east
<collectingCountry id="F1F976151B5AFF85CB1AFBBDCD073A61" box="[313,377,1068,1092]" name="China" pageId="8" pageNumber="498">China</collectingCountry>
(
<figureCitation id="11D52A001B5AFF85CBA4FBBDCDB83A61" box="[391,454,1068,1092]" captionStart="Figure 1" captionStartId="2.[264,327,2057,2079]" captionTargetBox="[231,1358,553,2011]" captionTargetId="figure-29@2.[227,1361,550,2024]" captionTargetPageId="2" captionText="Figure 1. Currently known localities of the eight Niwaella species in China." figureDoi="http://doi.org/10.5281/zenodo.5366718" httpUri="https://zenodo.org/record/5366718/files/figure.png" pageId="8" pageNumber="498">Fig. 1</figureCitation>
).
</paragraph>
<paragraph id="895136851B5AFF85CA9EFBDEC8BA3A42" blockId="8.[136,1452,236,1127]" box="[189,1220,1103,1127]" pageId="8" pageNumber="498">
Etymology. The specific name is derived from the Qujiang River in
<collectingRegion id="4B2AF8671B5AFF85C9B5FBDEC8253A42" box="[918,1115,1103,1127]" country="China" name="Zhejiang" pageId="8" pageNumber="498">Zhejiang Province</collectingRegion>
in
<collectingCountry id="F1F976151B5AFF85CE5FFBDEC8C13A42" box="[1148,1215,1103,1127]" name="China" pageId="8" pageNumber="498">China</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>