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<document id="EEBC36D1F25771E76DB03A3F44EE87CB" 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="014787931B56FF8BCAABFAF1CE533FAA" 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 nigrolinea Chen &amp; Chen 2017, sp. nov." docType="treatment" docVersion="4" lastPageNumber="496" 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="494" updateTime="1699199719076" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
<mods:mods id="5F5364702DE43E99B2134DA06D419E6E" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="6A16B906B3A2FD59A95750D00A77E2FB">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="C210301E74325E90EC8F5C5900013AE6">Chen, Yongxia</mods:namePart>
<mods:affiliation id="B749412926A79DDFB26E434D364A7233">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="DE8EFDC1F9CFCD9307C8C318DD51D860">He, Dekui</mods:namePart>
<mods:affiliation id="42F0860F9754094248D5A976C670CB55">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="8E6F11E8F6EBA2E6326598C749CFD44C">Chen, Hao</mods:namePart>
<mods:affiliation id="BEA87AC1060175573389C51036E50F1C">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="AA9B483C172D68E488176D419BB2B757">Chen, Yifeng</mods:namePart>
<mods:affiliation id="95B6556B84F67936267D07C42956EC46">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:title id="CB0DEC5247E6F757EB97387619FC628C">Zoological Systematics</mods:title>
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<mods:date id="B6E9910AAD90109CA227E86C5C93A7F5">2017</mods:date>
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<treatment id="014787931B56FF8BCAABFAF1CE533FAA" ID-DOI="http://doi.org/10.5281/zenodo.5459845" ID-Zenodo-Dep="5459845" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA" httpUri="http://treatment.plazi.org/id/014787931B56FF8BCAABFAF1CE533FAA" lastPageId="6" lastPageNumber="496" pageId="4" pageNumber="494">
<subSubSection id="C1F4650E1B56FF89CAABFAF1CE933B5C" box="[136,749,1376,1401]" pageId="4" pageNumber="494" type="nomenclature">
<paragraph id="895136851B56FF89CAABFAF1CE933B5C" blockId="4.[136,749,1376,1401]" box="[136,749,1376,1401]" pageId="4" pageNumber="494">
<heading id="D21981E91B56FF89CAABFAF1CE933B5C" box="[136,749,1376,1401]" centered="true" fontSize="10" level="2" pageId="4" pageNumber="494" reason="2">
<emphasis id="BB9AEA971B56FF89CAABFAF1CE173B5C" bold="true" box="[136,617,1376,1401]" pageId="4" pageNumber="494">
<taxonomicName id="4EEE4D061B56FF89CAABFAF1CE763B5D" authority="Chen &amp; Chen" authorityName="Chen &amp; Chen" authorityYear="2017" box="[136,520,1376,1400]" class="Actinopterygii" family="Cobitidae" genus="Niwaella" kingdom="Animalia" order="Cypriniformes" pageId="4" pageNumber="494" phylum="Chordata" rank="species" species="nigrolinea" status="sp. nov.">
<emphasis id="BB9AEA971B56FF89CAABFAF1CD1D3B5D" bold="true" box="[136,355,1376,1400]" italics="true" pageId="4" pageNumber="494">Niwaella nigrolinea</emphasis>
Chen &amp; Chen
</taxonomicName>
,
<taxonomicNameLabel id="A0A957EC1B56FF89C837FAF0CE173B5C" box="[532,617,1377,1401]" pageId="4" pageNumber="494" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
(
<figureCitation id="11D52A001B56FF89C8A5FAF1CE9B3B5C" box="[646,741,1376,1401]" captionStart-0="Figures 2–5" captionStart-1="Figures 6–7" captionStartId-0="5.[155,227,932,954]" captionStartId-1="5.[155,227,2053,2075]" captionTargetBox-0="[189,1398,241,896]" captionTargetBox-1="[188,1397,1448,2015]" captionTargetId-0="figure-270@5.[189,1398,241,896]" captionTargetId-1="figure-295@5.[188,1397,1448,2015]" captionTargetPageId-0="5" captionTargetPageId-1="5" captionText-0="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." captionText-1="Figures 6–7. Niwaella nigrolinea Chen &amp; Chen, sp. nov., color in life. 6. Lateral view. 7. Dorsal view. Scale bars=1cm." figureDoi-0="http://doi.org/10.5281/zenodo.5366720" figureDoi-1="http://doi.org/10.5281/zenodo.5366722" httpUri-0="https://zenodo.org/record/5366720/files/figure.png" httpUri-1="https://zenodo.org/record/5366722/files/figure.png" pageId="4" pageNumber="494">Figs 2–7</figureCitation>
)
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C1F4650E1B56FF8BCA9EFA09CE533FAA" lastPageId="6" lastPageNumber="496" pageId="4" pageNumber="494" type="materials_examined">
<paragraph id="895136851B56FF89CA9EFA09C9073BF6" blockId="4.[136,1452,1432,2080]" pageId="4" pageNumber="494">
<materialsCitation id="39863CD81B56FF89CA9EFA09C9073BF6" collectingDate="2013-10" country="China" county="Xiuning County" location="Shuaishui River" longitude="118.26667" municipality="Xin'anjiang River" pageId="4" pageNumber="494" specimenCount="1" stateProvince="Anhui" typeStatus="holotype">
<typeStatus id="565588271B56FF89CA9EFA09CD5A3B95" box="[189,292,1432,1456]" pageId="4" pageNumber="494" type="holotype">Holotype</typeStatus>
. HU 2013112,
<quantity id="4E169B601B56FF89CBF2FA09CE513B8A" box="[465,559,1432,1456]" metricMagnitude="-2" metricUnit="m" metricValue="5.87" pageId="4" pageNumber="494" unit="mm" value="58.7">58.7 mm</quantity>
SL, the
<location id="8C31605E1B56FF89C8B6FA09CF3A3B95" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89C8B6FA09CF3A3B95" box="[661,836,1432,1456]" country="China" county="Xiuning County" longitude="118.26667" municipality="Xin'anjiang River" name="Shuaishui River" pageId="4" pageNumber="494" stateProvince="Anhui">Shuaishui River</location>
(a tributary of the
<collectingMunicipality id="6935ACFF1B56FF89CE03FA09C89B3B95" box="[1056,1253,1432,1456]" pageId="4" pageNumber="494">Xin'anjiang River</collectingMunicipality>
),
<collectingCounty id="60304E091B56FF89CED8FA09C9D53B95" box="[1275,1451,1432,1456]" pageId="4" pageNumber="494">Xiuning County</collectingCounty>
(29°78′N,
<geoCoordinate id="ECDA50421B56FF89CADBFA2ACD203BF6" box="[248,350,1465,1491]" degrees="118" direction="east" minutes="16" orientation="longitude" pageId="4" pageNumber="494" precision="925" value="118.26667">118°16′E</geoCoordinate>
),
<collectingRegion id="4B2AF8671B56FF89CB52FA2ACDC83BF6" box="[369,438,1467,1491]" country="China" name="Anhui" pageId="4" pageNumber="494">Anhui</collectingRegion>
,
<collectingCountry id="F1F976151B56FF89CBE2FA2ACE7D3BF6" box="[449,515,1467,1491]" name="China" pageId="4" pageNumber="494">China</collectingCountry>
,
<date id="FD5010451B56FF89C82DFA2ACEDD3BF6" box="[526,675,1467,1491]" pageId="4" pageNumber="494" value="2013-10">
<collectingDate id="ED14E9AD1B56FF89C82DFA2ACEDD3BF6" box="[526,675,1467,1491]" pageId="4" pageNumber="494" value="2013-10">October 2013</collectingDate>
</date>
, collected from the Xiuning farm product market by Yongxia Chen.
</materialsCitation>
</paragraph>
<paragraph id="895136851B56FF89CA9EFA4FCCB638A5" blockId="4.[136,1452,1432,2080]" pageId="4" pageNumber="494">
<materialsCitation id="39863CD81B56FF89CA9EFA4FCCBA38A5" collectingDate="2015-04" collectingDateMax="2016-04" collectingDateMin="2015-04" country="China" county="Xiuning County" location="Shuaishui River" longitude="118.26667" municipality="Yongxia Chen" pageId="4" pageNumber="494" specimenCount="10" stateProvince="Anhui" typeStatus="paratype">
<typeStatus id="565588271B56FF89CA9EFA4FCD563BD3" box="[189,296,1502,1526]" pageId="4" pageNumber="494" type="paratype">Paratypes</typeStatus>
. HU 2013113–5, 2013117–8,
<specimenCount id="9FE8FD0C1B56FF89C84EFA4CCEDA3BD0" box="[621,676,1501,1525]" pageId="4" pageNumber="494" type="generic">5 ex.</specimenCount>
, 52.0–
<quantity id="4E169B601B56FF89C8CFFA4CCF363BD0" box="[748,840,1501,1525]" metricMagnitude="-2" metricUnit="m" metricValue="6.22" pageId="4" pageNumber="494" unit="mm" value="62.2">62.2 mm</quantity>
SL, same data as holotype; HU 1505136–7,
<specimenCount id="9FE8FD0C1B56FF89CF0FFA4CC91D3BD0" box="[1324,1379,1501,1525]" pageId="4" pageNumber="494" type="generic">2 ex.</specimenCount>
,
<quantity id="4E169B601B56FF89CF4CFA4CCC9B3832" metricMagnitude="-2" metricUnit="m" metricValue="5.795" metricValueMax="5.95" metricValueMin="5.64" pageId="4" pageNumber="494" unit="mm" value="57.95" valueMax="59.5" valueMin="56.4">56.4– 59.5 mm</quantity>
SL, the
<location id="8C31605E1B56FF89CB64F991CD86383D" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89CB64F991CD86383D" box="[327,504,1536,1560]" country="China" county="Xiuning County" municipality="Yongxia Chen" name="Shuaishui River" pageId="4" pageNumber="494" stateProvince="Anhui">Shuaishui River</location>
,
<collectingCounty id="60304E091B56FF89C826F991CEC8383D" box="[517,694,1536,1560]" pageId="4" pageNumber="494">Xiuning County</collectingCounty>
,
<collectingRegion id="4B2AF8671B56FF89C8E7F991CF77383D" box="[708,777,1536,1560]" country="China" name="Anhui" pageId="4" pageNumber="494">Anhui</collectingRegion>
,
<collectingCountry id="F1F976151B56FF89C934F991CF24383D" box="[791,858,1536,1560]" name="China" pageId="4" pageNumber="494">China</collectingCountry>
,
<date id="FD5010451B56FF89C945F991CF9E383D" box="[870,992,1536,1560]" pageId="4" pageNumber="494" value="2015-04">
<collectingDate id="ED14E9AD1B56FF89C945F991CF9E383D" box="[870,992,1536,1560]" pageId="4" pageNumber="494" value="2015-04">April 2015</collectingDate>
</date>
, collected from the
<location id="8C31605E1B56FF89CE9DF991C96B383D" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89CE9DF991C96B383D" box="[1214,1301,1536,1560]" country="China" county="Xiuning County" municipality="Yongxia Chen" name="Xiuning" pageId="4" pageNumber="494" stateProvince="Anhui">Xiuning</location>
farm product market by
<location id="8C31605E1B56FF89CADAF9B2CDE9381E" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89CADAF9B2CDE9381E" box="[249,407,1571,1595]" country="China" county="Xiuning County" municipality="Yongxia Chen" name="Yongxia Chen" pageId="4" pageNumber="494" stateProvince="Anhui">Yongxia Chen</location>
; HU 1608211, 1608209, 1608206,
<specimenCount id="9FE8FD0C1B56FF89C92FF9B2CF3F381F" box="[780,833,1571,1595]" pageId="4" pageNumber="494" type="generic">3 ex.</specimenCount>
,
<quantity id="4E169B601B56FF89C968F9B3CF9C381F" box="[843,994,1570,1594]" metricMagnitude="-2" metricUnit="m" metricValue="5.909999999999999" metricValueMax="6.33" metricValueMin="5.49" pageId="4" pageNumber="494" unit="mm" value="59.099999999999994" valueMax="63.3" valueMin="54.9">54.9–63.3 mm</quantity>
SL, the
<location id="8C31605E1B56FF89CE18F9B2C895381E" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89CE18F9B2C895381E" box="[1083,1259,1571,1595]" country="China" county="Xiuning County" municipality="Yongxia Chen" name="Hengjiang River" pageId="4" pageNumber="494" stateProvince="Anhui">Hengjiang River</location>
(a tributary of the
<location id="8C31605E1B56FF89CAABF9D4CD363878" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89CAABF9D4CD363878" box="[136,328,1605,1629]" country="China" county="Xiuning County" municipality="Yongxia Chen" name="Xin'anjiang River" pageId="4" pageNumber="494" stateProvince="Anhui">Xin'anjiang River</location>
),
<location id="8C31605E1B56FF89CB79F9D4CE763878" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89CB79F9D4CE763878" box="[346,520,1605,1629]" country="China" county="Xiuning County" municipality="Yongxia Chen" name="Xiuning County" pageId="4" pageNumber="494" stateProvince="Anhui">Xiuning County</location>
,
<collectingRegion id="4B2AF8671B56FF89C831F9D4CE293878" box="[530,599,1605,1629]" country="China" name="Anhui" pageId="4" pageNumber="494">Anhui</collectingRegion>
,
<collectingCountry id="F1F976151B56FF89C842F9D4CEDD3878" box="[609,675,1605,1629]" name="China" pageId="4" pageNumber="494">China</collectingCountry>
,
<date id="FD5010451B56FF89C88EF9D4CF5D3878" box="[685,803,1605,1629]" pageId="4" pageNumber="494" value="2016-04">
<collectingDate id="ED14E9AD1B56FF89C88EF9D4CF5D3878" box="[685,803,1605,1629]" pageId="4" pageNumber="494" value="2016-04">April 2016</collectingDate>
</date>
, collected from the
<location id="8C31605E1B56FF89C9D0F9D4C8353878" LSID="urn:lsid:plazi:treatment:014787931B56FF8BCAABFAF1CE533FAA:8C31605E1B56FF89C9D0F9D4C8353878" box="[1011,1099,1605,1629]" country="China" county="Xiuning County" municipality="Yongxia Chen" name="Xiuning" pageId="4" pageNumber="494" stateProvince="Anhui">Xiuning</location>
farm product market by
<collectingMunicipality id="6935ACFF1B56FF89CF6CF9D4CCBA38A5" pageId="4" pageNumber="494">Yongxia Chen</collectingMunicipality>
</materialsCitation>
.
</paragraph>
<paragraph id="895136851B56FF89CA9EF91AC90E3975" blockId="4.[136,1452,1432,2080]" pageId="4" pageNumber="494">
Diagnosis. The new species can be distinguished from its congeners by possessing the following combination of characteristics: a conspicuous black stripe from the occiput to the caudal fin on the dorsum, with 19–22 inconspicuous surface blotches (
<figureCitation id="11D52A001B56FF89CB64F941CDF738CD" box="[327,393,1744,1768]" captionStart="Figures 6–7" captionStartId="5.[155,227,2053,2075]" captionTargetBox="[188,1397,1448,2015]" captionTargetId="figure-295@5.[188,1397,1448,2015]" captionTargetPageId="5" captionText="Figures 6–7. Niwaella nigrolinea Chen &amp; Chen, sp. nov., color in life. 6. Lateral view. 7. Dorsal view. Scale bars=1cm." figureDoi="http://doi.org/10.5281/zenodo.5366722" httpUri="https://zenodo.org/record/5366722/files/figure.png" pageId="4" pageNumber="494">Fig. 7</figureCitation>
); short and dense vertical bars on the dorsolateral surface, and a row of 8–11 long, sparse, broad vertical stripes below the lateral midline posterior to the dorsal fin (
<figureCitation id="11D52A001B56FF89C95EF962CFBB392E" box="[893,965,1779,1803]" captionStart="Figures 2–5" captionStartId="5.[155,227,932,954]" captionTargetBox="[189,1398,241,896]" captionTargetId="figure-270@5.[189,1398,241,896]" captionTargetPageId="5" captionText="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366720" httpUri="https://zenodo.org/record/5366720/files/figure.png" pageId="4" pageNumber="494">Figs 2</figureCitation>
,
<figureCitation id="11D52A001B56FF89C9F7F963CF9A392F" box="[980,996,1778,1802]" captionStart="Figures 6–7" captionStartId="5.[155,227,2053,2075]" captionTargetBox="[188,1397,1448,2015]" captionTargetId="figure-295@5.[188,1397,1448,2015]" captionTargetPageId="5" captionText="Figures 6–7. Niwaella nigrolinea Chen &amp; Chen, sp. nov., color in life. 6. Lateral view. 7. Dorsal view. Scale bars=1cm." figureDoi="http://doi.org/10.5281/zenodo.5366722" httpUri="https://zenodo.org/record/5366722/files/figure.png" pageId="4" pageNumber="494">6</figureCitation>
); lower lip and mandible separated, with undeveloped mental lobes (
<figureCitation id="11D52A001B56FF89CB97F884CD883908" box="[436,502,1813,1837]" captionStart="Figures 2–5" captionStartId="5.[155,227,932,954]" captionTargetBox="[189,1398,241,896]" captionTargetId="figure-270@5.[189,1398,241,896]" captionTargetPageId="5" captionText="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366720" httpUri="https://zenodo.org/record/5366720/files/figure.png" pageId="4" pageNumber="494">Fig. 3</figureCitation>
); suborbital spine thick and curved, with long processus latero-caudalis, less than onethird of processus medio-caudalis (
<figureCitation id="11D52A001B56FF89CBDDF8A9CE3E3975" box="[510,576,1848,1872]" captionStart="Figures 2–5" captionStartId="5.[155,227,932,954]" captionTargetBox="[189,1398,241,896]" captionTargetId="figure-270@5.[189,1398,241,896]" captionTargetPageId="5" captionText="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366720" httpUri="https://zenodo.org/record/5366720/files/figure.png" pageId="4" pageNumber="494">Fig. 4</figureCitation>
); caudal peduncle long, length of caudal peduncle 5.8–6.8 (mean 6.2) in SL.
</paragraph>
<paragraph id="895136851B56FF89CA9EF8CBCEA23605" blockId="4.[136,1452,1432,2080]" pageId="4" pageNumber="494">
Description (
<figureCitation id="11D52A001B56FF89CB64F8CBCDD83956" box="[327,422,1882,1907]" captionStart-0="Figures 2–5" captionStart-1="Figures 6–7" captionStartId-0="5.[155,227,932,954]" captionStartId-1="5.[155,227,2053,2075]" captionTargetBox-0="[189,1398,241,896]" captionTargetBox-1="[188,1397,1448,2015]" captionTargetId-0="figure-270@5.[189,1398,241,896]" captionTargetId-1="figure-295@5.[188,1397,1448,2015]" captionTargetPageId-0="5" captionTargetPageId-1="5" captionText-0="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." captionText-1="Figures 6–7. Niwaella nigrolinea Chen &amp; Chen, sp. nov., color in life. 6. Lateral view. 7. Dorsal view. Scale bars=1cm." figureDoi-0="http://doi.org/10.5281/zenodo.5366720" figureDoi-1="http://doi.org/10.5281/zenodo.5366722" httpUri-0="https://zenodo.org/record/5366720/files/figure.png" httpUri-1="https://zenodo.org/record/5366722/files/figure.png" pageId="4" pageNumber="494">Figs 2–7</figureCitation>
,
<tableCitation id="C46C033E1B56FF89CB93F8CBCE7C3956" box="[432,514,1882,1907]" 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="4" pageNumber="494">Table 2</tableCitation>
). D. III–7; A. III–5;
<collectionCode id="EFFFAE401B56FF89C8FBF8CACE903957" box="[728,750,1883,1906]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="4" pageNumber="494" type="Museum">V</collectionCode>
. I–6; P. I–6–7; C. IV–14–16–IV. Body slender, compressed, depth 9.4–10.6 (mean 9.8) in SL. Head small. Snout 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. Lower lip and mandible separated, with undeveloped mental lobes (
<figureCitation id="11D52A001B56FF89C924F853CF3839FE" box="[775,838,1986,2011]" captionStart="Figures 2–5" captionStartId="5.[155,227,932,954]" captionTargetBox="[189,1398,241,896]" captionTargetId="figure-270@5.[189,1398,241,896]" captionTargetPageId="5" captionText="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366720" httpUri="https://zenodo.org/record/5366720/files/figure.png" pageId="4" pageNumber="494">Fig. 3</figureCitation>
). Suborbital spine thick and curved, with a long processus latero-caudalis, less than one-third of processus medio-caudalis (
<figureCitation id="11D52A001B56FF89C914F874CF0639D8" box="[823,888,2021,2045]" captionStart="Figures 2–5" captionStartId="5.[155,227,932,954]" captionTargetBox="[189,1398,241,896]" captionTargetId="figure-270@5.[189,1398,241,896]" captionTargetPageId="5" captionText="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366720" httpUri="https://zenodo.org/record/5366720/files/figure.png" pageId="4" pageNumber="494">Fig. 4</figureCitation>
). Subdorsal scales round, with a large focal area, 15– 21 radial grooves, and 3–8 supplementary ones (
<figureCitation id="11D52A001B56FF89C8ADF799CEB13605" box="[654,719,2056,2080]" captionStart="Figures 2–5" captionStartId="5.[155,227,932,954]" captionTargetBox="[189,1398,241,896]" captionTargetId="figure-270@5.[189,1398,241,896]" captionTargetPageId="5" captionText="Figures 2–5. Niwaella nigrolinea Chen &amp; Chen, sp. nov., the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2=1cm; 3–4 =1mm; 5=100μm." figureDoi="http://doi.org/10.5281/zenodo.5366720" httpUri="https://zenodo.org/record/5366720/files/figure.png" pageId="4" pageNumber="494">Fig. 5</figureCitation>
).
</paragraph>
<caption id="DD91660D1B57FF88CAB8FC35CE363DDC" ID-DOI="http://doi.org/10.5281/zenodo.5366720" ID-Zenodo-Dep="5366720" httpUri="https://zenodo.org/record/5366720/files/figure.png" pageId="5" pageNumber="495" startId="5.[155,227,932,954]" targetBox="[189,1398,241,896]" targetPageId="5">
<paragraph id="895136851B57FF88CAB8FC35CE363DDC" blockId="5.[155,1433,932,1018]" pageId="5" pageNumber="495">
Figures 2–5.
<taxonomicName id="4EEE4D061B57FF88CB3EFC35CE0F3D9F" authority="Chen &amp; Chen" authorityName="Chen &amp; Chen" authorityYear="2017" box="[285,625,932,954]" class="Actinopterygii" family="Cobitidae" genus="Niwaella" kingdom="Animalia" order="Cypriniformes" pageId="5" pageNumber="495" phylum="Chordata" rank="species" species="nigrolinea" status="sp. nov.">
<emphasis id="BB9AEA971B57FF88CB3EFC35CDA13D9C" box="[285,479,932,953]" italics="true" pageId="5" pageNumber="495">Niwaella nigrolinea</emphasis>
Chen &amp; Chen
</taxonomicName>
,
<emphasis id="BB9AEA971B57FF88C85EFC35CEB53D9C" bold="true" box="[637,715,932,953]" pageId="5" pageNumber="495">
<taxonomicNameLabel id="A0A957EC1B57FF88C85EFC35CEB53D9C" box="[637,715,932,953]" pageId="5" pageNumber="495" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, the Shuaishui River, Xiuning, Anhui, China. 2. Holotype, HU 2013112, lateral view. 3. Mouth characters, front view. 4. Suborbital spine, left dorsal view, right interior view. 5. Subdorsal scales, dorsal view. Scale bars: 2 = 1cm; 3–4 =1 mm; 5 = 100 μm.
</paragraph>
</caption>
<paragraph id="895136851B57FF88CA9EFBB5CEA93A81" blockId="5.[136,1453,1060,1397]" pageId="5" pageNumber="495">Dorsal fin long, inserted the midway between the posterior margin of eye and the base of the caudal fin. Pectoral fins short. Length of the pectoral fin ray 9.0–11.9 (mean 10.5) in SL. Ventral fins short, approximately at the same level as the second branched 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="895136851B57FF88CA9EFB3EC8DE3B51" blockId="5.[136,1453,1060,1397]" pageId="5" pageNumber="495">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, a conspicuous longitudinal black stripe from the occiput through the dorsal fin to the caudal fin, with a surface pigment containing 19–22 small inconspicuous blotches. Short and dense vertical bars on the dorsolateral surface, and a row of 8–11 long, sparse, broad vertical stripes below the lateral midline posterior to the dorsal fin. One conspicuous large oval spot present on the upper half of the caudal fin base; the upper spot as large as the diameter of the eye. Three or four rows of brownish dots present on the dorsal and caudal fins.</paragraph>
<caption id="DD91660D1B57FF88CAB8F794C960363F" ID-DOI="http://doi.org/10.5281/zenodo.5366722" ID-Zenodo-Dep="5366722" box="[155,1310,2053,2075]" httpUri="https://zenodo.org/record/5366722/files/figure.png" pageId="5" pageNumber="495" startId="5.[155,227,2053,2075]" targetBox="[188,1397,1448,2015]" targetPageId="5">
<paragraph id="895136851B57FF88CAB8F794C960363F" blockId="5.[155,1310,2053,2075]" box="[155,1310,2053,2075]" pageId="5" pageNumber="495">
Figures 6–7.
<taxonomicName id="4EEE4D061B57FF88CB3AF794CE1B363E" authority="Chen &amp; Chen" authorityName="Chen &amp; Chen" authorityYear="2017" box="[281,613,2053,2075]" class="Actinopterygii" family="Cobitidae" genus="Niwaella" kingdom="Animalia" order="Cypriniformes" pageId="5" pageNumber="495" phylum="Chordata" rank="species" species="nigrolinea" status="sp. nov.">
<emphasis id="BB9AEA971B57FF88CB3AF794CDA6363F" box="[281,472,2053,2074]" italics="true" pageId="5" pageNumber="495">Niwaella nigrolinea</emphasis>
Chen &amp; Chen
</taxonomicName>
,
<emphasis id="BB9AEA971B57FF88C84DF794CEC5363F" bold="true" box="[622,699,2053,2074]" pageId="5" pageNumber="495">
<taxonomicNameLabel id="A0A957EC1B57FF88C84DF794CEC5363F" box="[622,699,2053,2074]" pageId="5" pageNumber="495" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, color in life. 6. Lateral view. 7. Dorsal view. Scale bars =1 cm.
</paragraph>
</caption>
<paragraph id="895136851B54FF8BCA9EFF7DCF593F21" blockId="6.[136,1452,236,399]" box="[189,807,236,260]" pageId="6" pageNumber="496">Sexual dimorphism. Not obvious in external morphology.</paragraph>
<paragraph id="895136851B54FF8BCA9EFE9ECF5A3F6F" blockId="6.[136,1452,236,399]" pageId="6" pageNumber="496">
Distribution. This new species occurs in the Xin'anjiang River (the upper reaches of the trunk stream of the Qiantangjiang River) in
<collectingRegion id="4B2AF8671B54FF8BCBAFFEA3CE4B3F6F" box="[396,565,306,330]" country="China" name="Anhui" pageId="6" pageNumber="496">Anhui Province</collectingRegion>
in east
<collectingCountry id="F1F976151B54FF8BC8A4FEA3CEB93F6F" box="[647,711,306,330]" name="China" pageId="6" pageNumber="496">China</collectingCountry>
(
<figureCitation id="11D52A001B54FF8BC8F6FEA3CF6A3F6F" box="[725,788,306,330]" 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="6" pageNumber="496">Fig. 1</figureCitation>
).
</paragraph>
<paragraph id="895136851B54FF8BCA9EFEC5CE533FAA" blockId="6.[136,1452,236,399]" pageId="6" pageNumber="496">
Etymology. The specific name derives from the Latin
<emphasis id="BB9AEA971B54FF8BC8DCFEC4CF493F49" box="[767,823,341,364]" italics="true" pageId="6" pageNumber="496">niger</emphasis>
, meaning black, and Latin
<emphasis id="BB9AEA971B54FF8BCE79FEC5C8F13F49" box="[1114,1167,340,364]" italics="true" pageId="6" pageNumber="496">linea</emphasis>
meaning line, in reference to the dorsum coloration of the species.
</paragraph>
</subSubSection>
</treatment>
</document>
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