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<document id="502843DDBCFC71E82553CFCD8A946767" ID-CLB-Dataset="3216" ID-DOI="10.1111/j.1096-3642.2006.00229.x" ID-GBIF-Dataset="d863a5df-9418-4ed5-a8da-9ce9a673e25f" ID-ISSN="0024-4082" ID-Zenodo-Dep="4687405" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" checkinTime="1618409021777" checkinUser="carolina" docAuthor="Reis, Roberto E., Pereira, Edson H. L. &amp; Armbruster, Jonathan W." docDate="2006" docId="03B47718FFDEFFE812BC43C1D086E02D" docLanguage="en" docName="ZoolJLinnSoc.147.277-299.pdf" docOrigin="Zoological Journal of the Linnean Society 147 (2)" docSource="https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2006.00229.x" docStyle="DocumentStyle:0DD8C314D74634CE09062A86991413F8.2:ZoolJLinnSoc.2002-2009.journal_article" docStyleId="0DD8C314D74634CE09062A86991413F8" docStyleName="ZoolJLinnSoc.2002-2009.journal_article" docStyleVersion="2" docTitle="Delturus BREVIS REIS &amp; PEREIRA 2006, SP. NOV." docType="treatment" docVersion="8" lastPageNumber="297" masterDocId="FF8D0F60FFCCFFFC120A4627D270E75D" masterDocTitle="Delturinae, a new loricariid catfish subfamily (Teleostei, Siluriformes), with revisions of Delturus and Hemipsilichthys" masterLastPageNumber="299" masterPageNumber="277" pageNumber="295" updateTime="1698936408292" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="FC0923173F4D2FE5AA19373CCCE91F8B">Delturinae, a new loricariid catfish subfamily (Teleostei, Siluriformes), with revisions of Delturus and Hemipsilichthys</mods:title>
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<mods:namePart id="FC0B05EB1F174B17C6A71F2682D77E83">Reis, Roberto E.</mods:namePart>
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<mods:namePart id="8563E2C6C988171DEA9E739FF4FE7E89">Pereira, Edson H. L.</mods:namePart>
</mods:name>
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<mods:namePart id="93F842294CF9E44EDD938C279191845E">Armbruster, Jonathan W.</mods:namePart>
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<mods:title id="9B3140204F9C88AF804B05345E566588">Zoological Journal of the Linnean Society</mods:title>
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<mods:part id="6098F161BC5DDDEAF9192D57302FB12C">
<mods:date id="781BB2351EE76F7B092F8EC4A03AF6FB">2006</mods:date>
<mods:detail id="5DBA04E55EAECE9EEE004F09CA09E857" type="pubDate">
<mods:number id="52026887238E4B0C0F61DE96F45CB286">2006-06-30</mods:number>
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<mods:number id="AB8E99C848921696079FF661D3E11468">147</mods:number>
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<mods:start id="2C024A30164288188B3A904F1F48A73A">277</mods:start>
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<mods:url id="34DA52A62F3825E2AF993839BF91115D">https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2006.00229.x</mods:url>
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<mods:classification id="EE45847E78B0B9B4872EE4BB6EDE8185">journal article</mods:classification>
<mods:identifier id="B91102857F617239BC893BD3B48883D9" type="CLB-Dataset">3216</mods:identifier>
<mods:identifier id="D799F17FC1A149E6AA72B724BC6AEC02" type="DOI">10.1111/j.1096-3642.2006.00229.x</mods:identifier>
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<treatment id="03B47718FFDEFFE812BC43C1D086E02D" ID-DOI="http://doi.org/10.5281/zenodo.5736429" ID-GBIF-Taxon="190874795" ID-Zenodo-Dep="5736429" LSID="urn:lsid:plazi:treatment:03B47718FFDEFFE812BC43C1D086E02D" httpUri="http://treatment.plazi.org/id/03B47718FFDEFFE812BC43C1D086E02D" lastPageId="20" lastPageNumber="297" pageId="18" pageNumber="295">
<subSubSection id="C3079585FFDEFFEE12BC43C1D0BDE2A3" box="[182,717,1510,1534]" pageId="18" pageNumber="295" type="nomenclature">
<paragraph id="8BA2C60EFFDEFFEE12BC43C1D0BDE2A3" blockId="18.[182,717,1510,1566]" box="[182,717,1510,1534]" pageId="18" pageNumber="295">
<heading id="D0EA7162FFDEFFEE12BC43C1D0BDE2A3" box="[182,717,1510,1534]" centered="true" fontSize="9" level="2" pageId="18" pageNumber="295" reason="4">
<taxonomicName id="4C1DBD8DFFDEFFEE12BC43C1D029E2A0" ID-CoL="42TN" ID-ENA="245751" authority="BREVIS REIS &amp; PEREIRA" authorityName="BREVIS REIS &amp; PEREIRA" authorityYear="2006" box="[182,601,1510,1534]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="18" pageNumber="295" phylum="Chordata" rank="genus" status="sp. nov.">
<emphasis id="B9691A1CFFDEFFEE12BC43C1D3E4E2A0" bold="true" box="[182,404,1510,1534]" italics="true" pageId="18" pageNumber="295">DELTURUS BREVIS</emphasis>
REIS &amp; PEREIRA
</taxonomicName>
,
<emphasis id="B9691A1CFFDEFFEE106343CDD0BDE2A3" bold="true" box="[617,717,1510,1534]" pageId="18" pageNumber="295">
<taxonomicNameLabel id="A25AA767FFDEFFEE106343CDD0BDE2A3" box="[617,717,1510,1534]" pageId="18" pageNumber="295" rank="species">SP. NOV.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3079585FFDEFFE8139A4021D086E02D" lastPageId="20" lastPageNumber="297" pageId="18" pageNumber="295" type="description">
<paragraph id="8BA2C60EFFDEFFEE139A4021D384E143" blockId="18.[182,717,1510,1566]" box="[400,500,1542,1566]" pageId="18" pageNumber="295">
(
<figureCitation id="1326DA8BFFDEFFEE13924021D39BE143" box="[408,491,1542,1566]" captionStart="Figure 12" captionStartId="19.[162,240,1853,1872]" captionTargetBox="[194,1410,194,1821]" captionTargetId="figure-54@19.[194,1410,194,1821]" captionTargetPageId="19" captionText="Figure 12. Delturus brevis, holotype, MZUSP 69858, 152.1 mm standard length, Rio Araçuaí upstream of its mouth on Rio Jequitinhonha, Araçuaí, Minas Gerais." figureDoi="http://doi.org/10.5281/zenodo.4687440" httpUri="https://zenodo.org/record/4687440/files/figure.png" pageId="18" pageNumber="295">FIG. 12</figureCitation>
)
</paragraph>
<paragraph id="8BA2C60EFFDEFFEE12844010D039E1F4" blockId="18.[142,758,1591,1705]" pageId="18" pageNumber="295">
<materialsCitation id="3B75CC53FFDEFFEE12844010D039E1F4" ID-GBIF-Occurrence="3412755342" collectingDate="1989-09-04" collectingDateMax="1989-09-12" collectingDateMin="1989-09-04" collectionCode="MZUSP" collectorName="J. C. Garavello &amp; A. Alves &amp; A. Soares" country="Brazil" county="Aracuai" location="Rio Aracuai" municipality="Rio Jequitinhonha" pageId="18" pageNumber="295" specimenCode="MZUSP 69858" specimenCount="1" stateProvince="Minas Gerais" typeStatus="holotype">
<emphasis id="B9691A1CFFDEFFEE12844010D288E111" box="[142,248,1591,1612]" italics="true" pageId="18" pageNumber="295">
<typeStatus id="54A678ACFFDEFFEE12844010D283E111" box="[142,243,1591,1612]" pageId="18" pageNumber="295" type="holotype">Holotype</typeStatus>
:
</emphasis>
<specimenCode id="DBBB6E75FFDEFFEE130F4010D3C3E110" box="[261,435,1591,1613]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="18" pageNumber="295">MZUSP 69858</specimenCode>
(
<quantity id="4CE56BEBFFDEFFEE13C24010D04AE111" box="[456,570,1591,1613]" metricMagnitude="-1" metricUnit="m" metricValue="1.521" pageId="18" pageNumber="295" unit="mm" value="152.1">152.1 mm</quantity>
SL), male,
<location id="8EC290D5FFDEFFEE10DA4010D298E131" LSID="urn:lsid:plazi:treatment:03B47718FFDEFFE812BC43C1D086E02D:8EC290D5FFDEFFEE10DA4010D298E131" country="Brazil" county="Aracuai" municipality="Rio Jequitinhonha" name="Rio Aracuai" pageId="18" pageNumber="295" stateProvince="Minas Gerais">Rio Araçuaí</location>
upstream of its mouth on
<collectingMunicipality id="6BC65C74FFDEFFEE10104071D082E131" box="[538,754,1622,1644]" pageId="18" pageNumber="295">Rio Jequitinhonha</collectingMunicipality>
,
<collectingCounty id="62C3BE82FFDEFFEE12844053D29AE1D7" box="[142,234,1652,1674]" pageId="18" pageNumber="295">Araçuaí</collectingCounty>
,
<collectingRegion id="49D908ECFFDEFFEE12FD4053D3E3E1D7" box="[247,403,1652,1674]" country="Brazil" name="Minas Gerais" pageId="18" pageNumber="295">Minas Gerais</collectingRegion>
,
<collectingCountry id="F30A869EFFDEFFEE13AA4053D398E1D7" box="[416,488,1652,1674]" name="Brazil" pageId="18" pageNumber="295">Brazil</collectingCountry>
,
<date id="FFA3E0CEFFDEFFEE13FF4053D080E1D4" box="[501,752,1652,1674]" pageId="18" pageNumber="295" value="1989-09-04" valueMax="1989-09-12" valueMin="1989-09-04">
<collectingDate id="EFE71926FFDEFFEE13FF4053D080E1D4" box="[501,752,1652,1674]" pageId="18" pageNumber="295" value="1989-09-04" valueMax="1989-09-12" valueMin="1989-09-04">4–12 September 1989</collectingDate>
</date>
,
<collectorName id="26E8A3D8FFDEFFEE128440B4D348E1F4" box="[142,312,1683,1705]" pageId="18" pageNumber="295">J. C. Garavello</collectorName>
,
<collectorName id="26E8A3D8FFDEFFEE134940B4D3D2E1F4" box="[323,418,1683,1705]" pageId="18" pageNumber="295">A. Alves</collectorName>
,
<collectorName id="26E8A3D8FFDEFFEE13A440B4D06AE1F5" box="[430,538,1683,1704]" pageId="18" pageNumber="295">A. Soares</collectorName>
col.
</materialsCitation>
</paragraph>
<paragraph id="8BA2C60EFFDEFFEE128440E5D6D3E7A5" blockId="18.[142,758,1729,1904]" lastBlockId="18.[806,1422,194,248]" pageId="18" pageNumber="295">
<materialsCitation id="3B75CC53FFDEFFEE128440E5D28BE049" ID-GBIF-Occurrence="3412755348" accessionNumber="NMW 44070" collectionCode="NMW" pageId="18" pageNumber="295" specimenCount="2" typeStatus="paratype">
<emphasis id="B9691A1CFFDEFFEE128440E5D374E18A" box="[142,260,1730,1751]" italics="true" pageId="18" pageNumber="295">
<typeStatus id="54A678ACFFDEFFEE128440E5D28EE18A" box="[142,254,1730,1751]" pageId="18" pageNumber="295" type="paratype">Paratypes</typeStatus>
:
</emphasis>
<collectionCode id="ED0C5ECBFFDEFFEE132040E6D31EE18B" box="[298,366,1729,1750]" country="Austria" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="18" pageNumber="295">NMW</collectionCode>
44070 (1,
<typeStatus id="54A678ACFFDEFFEE102240E6D0B3E18A" box="[552,707,1729,1751]" pageId="18" pageNumber="295" type="paralectotype">paralectotype</typeStatus>
of
<taxonomicName id="4C1DBD8DFFDEFFEE128440C7D34CE1A8" authorityName="Steindachner" authorityYear="1877" box="[142,316,1760,1781]" family="Loricariidae" genus="Plecostomus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageId="18" pageNumber="295" phylum="Chordata" rank="species" species="angulicauda">
<emphasis id="B9691A1CFFDEFFEE128440C7D34CE1A8" box="[142,316,1760,1781]" italics="true" pageId="18" pageNumber="295">D. angulicauda</emphasis>
</taxonomicName>
,
<quantity id="4CE56BEBFFDEFFEE135440C7D3BFE1A8" box="[350,463,1760,1781]" metricMagnitude="-1" metricUnit="m" metricValue="1.718" pageId="18" pageNumber="295" unit="mm" value="171.8">171.8 mm</quantity>
SL), female, locality unknown
</materialsCitation>
.
<materialsCitation id="3B75CC53FFDEFFEE130140D9D086E049" ID-GBIF-Occurrence="3412755308" accessionNumber="MCP 28035" box="[267,758,1790,1812]" collectionCode="MCP" pageId="18" pageNumber="295" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED0C5ECBFFDEFFEE130140D9D335E04E" box="[267,325,1790,1811]" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="18" pageNumber="295">MCP</collectionCode>
28035 (3, 138.9–
<quantity id="4CE56BEBFFDEFFEE101340D9D0F9E049" box="[537,649,1790,1812]" metricMagnitude="-1" metricUnit="m" metricValue="1.4449999999999998" pageId="18" pageNumber="295" unit="mm" value="144.5">144.5 mm</quantity>
SL) and
</materialsCitation>
<materialsCitation id="3B75CC53FFDEFFEE1284413AD281E00F" ID-GBIF-Occurrence="3412755334" collectingDate="1989-09-04" collectingDateMax="1989-09-12" collectingDateMin="1989-09-04" collectionCode="MZUSP" collectorName="J. C. Garavello &amp; A. Alves &amp; A. Soares" country="Brazil" county="Aracuai" location="Rio Aracuai" municipality="Rio Jequitinhonha" pageId="18" pageNumber="295" specimenCode="MZUSP 69859" specimenCount="1" stateProvince="Minas Gerais" typeStatus="paratype">
<specimenCode id="DBBB6E75FFDEFFEE1284413AD346E06E" box="[142,310,1821,1843]" collectionCode="MZUSP" country="Brazil" httpUri="http://grbio.org/cool/6yx0-3nm7" name="Museu de Zoologia da Universidade de Sao Paulo" pageId="18" pageNumber="295">MZUSP 69859</specimenCode>
(3, 136.5–
<quantity id="4CE56BEBFFDEFFEE13A4413AD06FE06F" box="[430,543,1821,1843]" metricMagnitude="-1" metricUnit="m" metricValue="1.488" pageId="18" pageNumber="295" unit="mm" value="148.8">148.8 mm</quantity>
SL), same data as holotype
</materialsCitation>
.
<materialsCitation id="3B75CC53FFDEFFEE12F4411BD6D3E7A5" ID-GBIF-Occurrence="3412755312" accessionNumber="MCP 26927" collectingDate="2000-11-09" collectionCode="MCP" collectorName="Volney Vono" country="Brazil" county="Rubelita" latitude="-16.416666" location="Rio Salinas" longLatPrecision="1282" longitude="-42.266666" municipality="Rio Jequitinhonha" pageId="18" pageNumber="295" specimenCount="1" stateProvince="Minas Gerais" typeStatus="paratype">
<collectionCode id="ED0C5ECBFFDEFFEE12F4411BD348E00C" box="[254,312,1852,1873]" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="18" pageNumber="295">MCP</collectionCode>
26927 (2 + 1 c&amp;s,
<quantity id="4CE56BEBFFDEFFEE1005411CD0CEE00C" box="[527,702,1851,1873]" metricMagnitude="-1" metricUnit="m" metricValue="1.166" metricValueMax="1.4669999999999999" metricValueMin="0.865" pageId="18" pageNumber="295" unit="mm" value="116.6" valueMax="146.7" valueMin="86.5">86.5–146.7 mm</quantity>
SL),
<location id="8EC290D5FFDEFFEE1284417DD36AE02D" LSID="urn:lsid:plazi:treatment:03B47718FFDEFFE812BC43C1D086E02D:8EC290D5FFDEFFEE1284417DD36AE02D" box="[142,282,1882,1904]" country="Brazil" county="Rubelita" latitude="-16.416666" longLatPrecision="1282" longitude="-42.266666" municipality="Rio Jequitinhonha" name="Rio Salinas" pageId="18" pageNumber="295" stateProvince="Minas Gerais">Rio Salinas</location>
, tributary of
<collectingMunicipality id="6BC65C74FFDEFFEE13C4417DD0DDE02D" box="[462,685,1882,1904]" pageId="18" pageNumber="295">Rio Jequitinhonha</collectingMunicipality>
, near
<collectingCounty id="62C3BE82FFDEFFEE112C46E3D1FAE787" box="[806,906,196,218]" pageId="18" pageNumber="295">Rubelita</collectingCounty>
,
<collectingRegion id="49D908ECFFDEFFEE119046E3D64AE787" box="[922,1082,196,218]" country="Brazil" name="Minas Gerais" pageId="18" pageNumber="295">Minas Gerais</collectingRegion>
,
<collectingCountry id="F30A869EFFDEFFEE164046E3D6E0E787" box="[1098,1168,196,218]" name="Brazil" pageId="18" pageNumber="295">Brazil</collectingCountry>
(
<geoCoordinate id="EE29A0C9FFDEFFEE16AE46E4D68BE784" box="[1188,1275,194,217]" degrees="16" direction="south" minutes="25" orientation="latitude" pageId="18" pageNumber="295" precision="925" value="-16.416666">16°25′S</geoCoordinate>
<geoCoordinate id="EE29A0C9FFDEFFEE170D46E3D719E784" box="[1287,1385,194,217]" degrees="42" direction="west" minutes="16" orientation="longitude" pageId="18" pageNumber="295" precision="925" value="-42.266666">42°16′W</geoCoordinate>
),
<date id="FFA3E0CEFFDEFFEE178A46E3D1ACE7AA" pageId="18" pageNumber="295" value="2000-11-09">
<collectingDate id="EFE71926FFDEFFEE178A46E3D1ACE7AA" pageId="18" pageNumber="295" value="2000-11-09">9 November 2000</collectingDate>
</date>
,
<collectorName id="26E8A3D8FFDEFFEE11E246C5D604E7A5" box="[1000,1140,226,248]" pageId="18" pageNumber="295">Volney Vono</collectorName>
col.
</materialsCitation>
</paragraph>
<paragraph id="8BA2C60EFFDEFFEE112C4736D12BE5E9" blockId="18.[806,1422,272,692]" pageId="18" pageNumber="295">
<emphasis id="B9691A1CFFDEFFEE112C4736D62DE678" box="[806,1117,272,294]" italics="true" pageId="18" pageNumber="295">
Diagnosis:
<taxonomicName id="4C1DBD8DFFDEFFEE11A04737D62DE678" authorityName="Reis &amp; Pereira &amp; Armbruster" authorityYear="2006" box="[938,1117,272,293]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="18" pageNumber="295" phylum="Chordata" rank="species" species="brevis">Delturus brevis</taxonomicName>
</emphasis>
is distinguished from all other
<taxonomicName id="4C1DBD8DFFDEFFEE11674708D1A0E619" authorityName="BREVIS REIS &amp; PEREIRA" authorityYear="2006" box="[877,976,303,324]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="18" pageNumber="295" phylum="Chordata" rank="genus">
<emphasis id="B9691A1CFFDEFFEE11674708D1A0E619" box="[877,976,303,324]" italics="true" pageId="18" pageNumber="295">Delturus</emphasis>
</taxonomicName>
by its convex caudal fin (vs. concave) and rounded dorsal-fin margin (vs. straight); from
<taxonomicName id="4C1DBD8DFFDEFFEE112C474AD1A4E6DC" authorityName="Steindachner" authorityYear="1877" box="[806,980,364,386]" family="Loricariidae" genus="Plecostomus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageId="18" pageNumber="295" phylum="Chordata" rank="species" species="angulicauda">
<emphasis id="B9691A1CFFDEFFEE112C474AD1A4E6DC" box="[806,980,364,386]" italics="true" pageId="18" pageNumber="295">D. angulicauda</emphasis>
</taxonomicName>
by having spots on the caudal fin (vs. caudal fin unspotted); from
<taxonomicName id="4C1DBD8DFFDEFFEE166447ABD687E6FC" box="[1134,1271,396,417]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="18" pageNumber="295" phylum="Chordata" rank="species" species="carinotus">
<emphasis id="B9691A1CFFDEFFEE166447ABD687E6FC" box="[1134,1271,396,417]" italics="true" pageId="18" pageNumber="295">D. carinotus</emphasis>
</taxonomicName>
by its wider body (cleithral width 33.2–35.2% SL vs. 29.8–33.2% SL) and by having a large dorsal flap on the iris (vs. flap very small); from
<taxonomicName id="4C1DBD8DFFDEFFEE162847CFD6C8E6A1" box="[1058,1208,487,509]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="18" pageNumber="295" phylum="Chordata" rank="species" species="parahybae">
<emphasis id="B9691A1CFFDEFFEE162847CFD6C8E6A1" box="[1058,1208,487,509]" italics="true" pageId="18" pageNumber="295">D. parahybae</emphasis>
</taxonomicName>
by having eight to nine plates between the end of the anal-fin base and the caudal fin (vs. ten to 11), 22–24 lateral plates in the median series (vs. 26–28), by more numerous premaxillary teeth (26–137 vs. 15–24), and by its less deep head (head depth 50.7–54.1% HL vs. 53.9–59.7% HL).
</paragraph>
<paragraph id="8BA2C60EFFDEFFEE112C44E9D1F0E442" blockId="18.[806,1423,717,1904]" pageId="18" pageNumber="295">
<emphasis id="B9691A1CFFDEFFEE112C44E9D1DEE5BE" box="[806,942,718,739]" italics="true" pageId="18" pageNumber="295">Description:</emphasis>
SL of examined specimens 136.0–
<quantity id="4CE56BEBFFDEFFEE112C44CCD1EAE45C" box="[806,922,747,769]" metricMagnitude="-1" metricUnit="m" metricValue="1.521" pageId="18" pageNumber="295" unit="mm" value="152.1">152.1 mm</quantity>
. Other morphometric data are presented in
<tableCitation id="C69FF3B5FFDEFFEE112C452DD10CE442" box="[806,892,778,800]" captionStart="Table 2" captionStartId="13.[162,226,196,215]" captionTargetPageId="13" captionText="Table 2. Descriptive morphometrics of Delturus species. Values are given as ranges for all measured specimens. Standard length is expressed in mm; measurements 1–16 are percentages of standard length; measurements 17–21 are percentages of head length. The first column for D. brevis is the holotype" httpUri="http://table.plazi.org/id/DF629686FFC1FFF112A846E3D151E64F" pageId="18" pageNumber="295" tableUuid="DF629686FFC1FFF112A846E3D151E64F">Table 2</tableCitation>
.
</paragraph>
<paragraph id="8BA2C60EFFDEFFEE1135450ED755E23A" blockId="18.[806,1423,717,1904]" pageId="18" pageNumber="295">Body depressed and progressively narrowing from cleithrum to end of caudal peduncle. Dorsal profile of body smoothly convex. Body arches from snout tip to end of supraoccipital process; slightly convex to straight from posterior tip of supraoccipital to origin of dorsal fin. Dorsal profile then descends from origin of dorsal fin to end of caudal peduncle. Trunk mostly round in cross-section, caudal peduncle flattened ventrally and more compressed caudally; trunk somewhat triangular at preadipose region. Greatest body depth at dorsal-fin origin. Dorsal surface of body mostly covered by dermal plates. Four to six median, preadipose plates present, forming tall ridge between dorsal and adipose fins. Lower surface of head and abdomen naked, except for some platelets sometimes embedded in skin laterally below the pectoral girdle. Median series of lateral plates with 22–24 plates; six to eight plates bordering dorsal-fin base; eight to nine plates between end of anal-fin base and caudal fin.</paragraph>
<paragraph id="8BA2C60EFFDEFFEE11354357D7F6E02D" blockId="18.[806,1423,717,1904]" pageId="18" pageNumber="295">
Head broad and depressed. Snout convex anteriorly. Three indistinctly elevated ridges between orbits and snout tip. Dorsal region of head between orbits concave; upper margin of orbits distinctly higher than interorbital space. Eye large (orbit diameter 20.3– 24.5% HL), placed dorsolaterally. Iris with large dorsal flap. Lateral margins of head with patch of thin hypertrophied odontodes in mature males. Lips well developed, occupying most of ventral surface of head. Upper lip with several transversely elongate papillae. Lower lip very wide, reaching anterior margin of cleithrum. Lower lip mostly covered with minute papillae, smaller posteriorly. Maxillary barbel short, free. Teeth slender, bifid, two cusps approximately equal in size (
<figureCitation id="1326DA8BFFDEFFEE116F413AD1D6E06E" box="[869,934,1821,1843]" captionStart="Figure 2" captionStartId="4.[143,221,1209,1228]" captionTargetBox="[143,751,566,1177]" captionTargetId="figure-668@4.[143,752,566,1177]" captionTargetPageId="4" captionText="Figure 2. Teeth of the Delturinae. A, right premaxilary tooth of Delturus angulicauda, USNM 318180, lateral view. Scale bar 1 mm. B–H, dorsal view of right premaxillary tooth crown. B, D. parahybae, MCZ 7726. C, D. angulicauda, USNM 318180. D, D. carinotus, MCP 28039. E, D. brevis, MZUSP 69858. F, Hemipsilichthys papillatus, MCP 21423. G, H. nimius, MCP 31990. H, H. gobio, MCP 19780. Scale bar 250 µm." figureDoi="http://doi.org/10.5281/zenodo.4687409" httpUri="https://zenodo.org/record/4687409/files/figure.png" pageId="18" pageNumber="295">Fig. 2</figureCitation>
). Premaxilla with 26–137 teeth; dentary with 22–133 teeth. Distinct skin fold present anterior to premaxillary teeth and posterior to dentary teeth.
</paragraph>
<caption id="DF629686FFDFFFEF12A8411AD04CE030" ID-DOI="http://doi.org/10.5281/zenodo.4687440" ID-Zenodo-Dep="4687440" httpUri="https://zenodo.org/record/4687440/files/figure.png" pageId="19" pageNumber="296" startId="19.[162,240,1853,1872]" targetBox="[194,1410,194,1821]" targetPageId="19">
<paragraph id="8BA2C60EFFDFFFEF12A8411AD04CE030" blockId="19.[162,1441,1853,1901]" pageId="19" pageNumber="296">
<emphasis id="B9691A1CFFDFFFEF12A8411AD367E00D" bold="true" box="[162,279,1853,1872]" pageId="19" pageNumber="296">Figure 12.</emphasis>
<taxonomicName id="4C1DBD8DFFDFFFEF1329411AD3B1E00D" authorityName="Reis &amp; Pereira &amp; Armbruster" authorityYear="2006" box="[291,449,1853,1872]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="19" pageNumber="296" phylum="Chordata" rank="species" species="brevis">
<emphasis id="B9691A1CFFDFFFEF1329411AD3B1E00D" box="[291,449,1853,1872]" italics="true" pageId="19" pageNumber="296">Delturus brevis</emphasis>
</taxonomicName>
, holotype, MZUSP 69858, 152.1 mm standard length, Rio Araçuaí upstream of its mouth on Rio Jequitinhonha, Araçuaí, Minas Gerais.
</paragraph>
</caption>
<paragraph id="8BA2C60EFFD8FFE812AD46E3D0A7E47D" blockId="20.[142,758,196,800]" pageId="20" pageNumber="297">Dorsal fin originating slightly anterior to vertical line passing through pelvic-fin origin; dorsal-fin spinelet V-shaped and locking mechanism functional; one unbranched and eight to nine (usually nine) branched rays; its margin strongly rounded. Fin membrane uniting last dorsal-fin ray to first preadipose plate or terminating just anterior to first preadipose plate. Pectoral fins moderate in size, with one slightly curved and flattened unbranched ray, and six branched ones. First thickened pectoral-fin ray of mature males covered with large hypertrophied odontodes on anterodorsal margin. Posterior pectoral-fin margin slightly round, reaching proximal third to half-length of pelvic fins when adpressed. Pelvic fins moderate in size, with one unbranched and five branched rays, not or just reaching origin of anal fin when adpressed. Anal fin with one unbranched and five branched rays. Caudal fin distinctly convex; lowermost ray slightly longer than uppermost, 14 branched rays; three to four upper and three to four lower procurrent caudal-fin rays.</paragraph>
<paragraph id="8BA2C60EFFD8FFE81284451CD2C3E3D9" blockId="20.[142,759,827,1156]" pageId="20" pageNumber="297">
<emphasis id="B9691A1CFFD8FFE81284451CD32BE40D" box="[142,347,827,849]" italics="true" pageId="20" pageNumber="297">Colour in alcohol:</emphasis>
Ground colour of dorsal surface of head and body light brown; pale yellow ventrally. Plates of dorsum and flanks darker anteriorly and lighter posteriorly, forming a barred or reticulate pattern. Markings usually more conspicuous and thicker on head forming a vermiculate pattern. All fins with dark bands, sometimes discontinuous and forming indistinct large spots. Ventral surface of head and body mostly unpigmented, except for light brown, scattered melanophores on caudal peduncle and upper lip.
</paragraph>
<paragraph id="8BA2C60EFFD8FFE8128442B8D0A2E3AF" blockId="20.[142,757,1183,1266]" pageId="20" pageNumber="297">
<emphasis id="B9691A1CFFD8FFE8128442B8D3A7E3E9" box="[142,471,1183,1204]" italics="true" pageId="20" pageNumber="297">
Distribution:
<taxonomicName id="4C1DBD8DFFD8FFE8132342B8D3A7E3E9" authorityName="Reis &amp; Pereira &amp; Armbruster" authorityYear="2006" box="[297,471,1183,1204]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="20" pageNumber="297" phylum="Chordata" rank="species" species="brevis">Delturus brevis</taxonomicName>
</emphasis>
is known from two localities in the upper portions of the Rio Jequitinhonha basin, in the state of
<collectingRegion id="49D908ECFFD8FFE8138E42FBD051E3AF" box="[388,545,1244,1266]" country="Brazil" name="Minas Gerais" pageId="20" pageNumber="297">Minas Gerais</collectingRegion>
,
<collectingCountry id="F30A869EFFD8FFE8102742FBD003E3AF" box="[557,627,1244,1266]" name="Brazil" pageId="20" pageNumber="297">Brazil</collectingCountry>
(
<figureCitation id="1326DA8BFFD8FFE8108942FBD0B5E3AF" box="[643,709,1244,1266]" captionStart="Figure 5" captionStartId="7.[162,240,1071,1090]" captionTargetBox="[322,1282,194,1039]" captionTargetId="figure-424@7.[322,1283,193,1039]" captionTargetPageId="7" captionText="Figure 5. Geographical distribution of the species of Delturus and Hemipsilichthys in south-eastern Brazil." figureDoi="http://doi.org/10.5281/zenodo.4687419" httpUri="https://zenodo.org/record/4687419/files/figure.png" pageId="20" pageNumber="297">Fig. 5</figureCitation>
).
</paragraph>
<paragraph id="8BA2C60EFFD8FFE812844329D07CE21F" blockId="20.[142,757,1294,1346]" pageId="20" pageNumber="297">
<emphasis id="B9691A1CFFD8FFE812844329D29CE27E" box="[142,236,1294,1315]" italics="true" pageId="20" pageNumber="297">Ecology:</emphasis>
All specimens were collected in a strong water current on a rocky bottom.
</paragraph>
<paragraph id="8BA2C60EFFD8FFE812844379D29CE2B3" blockId="20.[142,757,1374,1518]" pageId="20" pageNumber="297">
<emphasis id="B9691A1CFFD8FFE812844379D37BE22E" box="[142,267,1374,1395]" italics="true" pageId="20" pageNumber="297">Etymology:</emphasis>
From the Latin
<taxonomicName id="4C1DBD8DFFD8FFE813C64379D060E22E" authorityName="Reis &amp; Pereira &amp; Armbruster" authorityYear="2006" box="[460,528,1374,1395]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="20" pageNumber="297" phylum="Chordata" rank="species" species="brevis">
<emphasis id="B9691A1CFFD8FFE813C64379D060E22E" box="[460,528,1374,1395]" italics="true" pageId="20" pageNumber="297">brevis</emphasis>
</taxonomicName>
, an adjective meaning short. In allusion to the smaller maximum size of this species compared with the others and to the comparatively reduced counts of some plates and dorsalfin rays.
</paragraph>
<paragraph id="8BA2C60EFFD8FFE81284402DD086E02D" blockId="20.[142,758,1546,1905]" pageId="20" pageNumber="297">
<emphasis id="B9691A1CFFD8FFE81284402DD289E142" box="[142,249,1546,1567]" italics="true" pageId="20" pageNumber="297">Remarks:</emphasis>
Despite being labelled as from the Rio Mucuri, the
<typeStatus id="54A678ACFFD8FFE8132F400FD3B0E163" box="[293,448,1576,1598]" pageId="20" pageNumber="297" type="paralectotype">paralectotype</typeStatus>
of
<taxonomicName id="4C1DBD8DFFD8FFE813E5400ED0ECE160" authorityName="Steindachner" authorityYear="1877" box="[495,668,1576,1598]" family="Loricariidae" genus="Plecostomus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageId="20" pageNumber="297" phylum="Chordata" rank="species" species="angulicauda">
<emphasis id="B9691A1CFFD8FFE813E5400ED0ECE160" box="[495,668,1576,1598]" italics="true" pageId="20" pageNumber="297">D. angulicauda</emphasis>
</taxonomicName>
(NMW 44070) is in fact a specimen of
<taxonomicName id="4C1DBD8DFFD8FFE813E5406FD022E101" authorityName="Reis &amp; Pereira &amp; Armbruster" authorityYear="2006" box="[495,594,1607,1629]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="20" pageNumber="297" phylum="Chordata" rank="species" species="brevis">
<emphasis id="B9691A1CFFD8FFE813E5406FD022E101" box="[495,594,1607,1629]" italics="true" pageId="20" pageNumber="297">D. brevis</emphasis>
</taxonomicName>
, and is herein included as a
<typeStatus id="54A678ACFFD8FFE813224041D3FEE126" box="[296,398,1638,1659]" pageId="20" pageNumber="297" type="paratype">paratype</typeStatus>
of this new species. As
<taxonomicName id="4C1DBD8DFFD8FFE810994041D086E126" authorityName="Reis &amp; Pereira &amp; Armbruster" authorityYear="2006" box="[659,758,1638,1659]" class="Actinopterygii" family="Loricariidae" genus="Delturus" kingdom="Animalia" order="Siluriformes" pageId="20" pageNumber="297" phylum="Chordata" rank="species" species="brevis">
<emphasis id="B9691A1CFFD8FFE810994041D086E126" box="[659,758,1638,1659]" italics="true" pageId="20" pageNumber="297">D. brevis</emphasis>
</taxonomicName>
has only been collected in the Rio Jequitinhonha drainage, and because this river is very close to the Rio Mucuri, we believe that the specimen in NMW 44070 has actually been collected in the Rio Jequitinhonha and mislabelled as from Rio Mucuri. The type locality of
<taxonomicName id="4C1DBD8DFFD8FFE813594139D00CE06E" authorityName="Steindachner" authorityYear="1877" box="[339,636,1822,1843]" family="Loricariidae" genus="Plecostomus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageId="20" pageNumber="297" phylum="Chordata" rank="species" species="angulicauda">
<emphasis id="B9691A1CFFD8FFE813594139D00CE06E" box="[339,636,1822,1843]" italics="true" pageId="20" pageNumber="297">Plecostomus angulicauda</emphasis>
</taxonomicName>
, however, includes Rio Mucuri and Rio
<collectingRegion id="49D908ECFFD8FFE813D4411BD048E00F" box="[478,568,1852,1874]" country="Brazil" name="Paraiba" pageId="20" pageNumber="297">Paraíba</collectingRegion>
do Sul, and this is also a mistake (see Remarks under
<taxonomicName id="4C1DBD8DFFD8FFE81032417BD096E02D" authorityName="Steindachner" authorityYear="1877" box="[568,742,1883,1905]" family="Loricariidae" genus="Plecostomus" higherTaxonomySource="CoL" kingdom="Animalia" order="Siluriformes" pageId="20" pageNumber="297" phylum="Chordata" rank="species" species="angulicauda">
<emphasis id="B9691A1CFFD8FFE81032417BD096E02D" box="[568,742,1883,1905]" italics="true" pageId="20" pageNumber="297">D. angulicauda</emphasis>
</taxonomicName>
).
</paragraph>
</subSubSection>
</treatment>
</document>
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