treatments-xml/data/75/40/6B/75406B8769645F46BF04B2B82DDE9268.xml

<document id="D5FF4202F2EDA9C0DA553951DC8559A1" ID-DOI="10.3897/evolsyst.8.126393" ID-ZooBank="973DECB5-340A-41CE-9AEE-B968664489B2" ID-publisher-id="126393" URI-arpha="D96A320E-35D2-5E32-8DA0-4988C27D745A" URI-zoobank="http://zoobank.org/973DECB5-340A-41CE-9AEE-B968664489B2" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" article-type="research-article" checkinTime="1726056890737" checkinUser="pensoft" docAuthor="Costa, Wilson J. E. M., Feltrin, Caio R. M., Mattos, José Leonardo O. &amp; Katz, Axel M." docDate="2024" docId="75406B8769645F46BF04B2B82DDE9268" docLanguage="en" docName="Evolutionary Systematics 8(2): 199-218" docOrigin="Evolutionary Systematics 8 (2)" docSource="https://evolsyst.pensoft.net/article/126393/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Cambeva rotundipinna Costa, Feltrin &amp; Katz 2024, sp. nov." docType="treatment" docUuid="1CD4DCB4-9F79-489D-B33E-420B2B935A57" docUuidSource="ZooBank" docVersion="3" dtd-version="3.0" lastPageNumber="218" masterDocId="D96A320E35D25E328DA04988C27D745A" masterDocTitle="Top mountain areas of subtropical southern Brazil sheltering four new small-ranged catfishes (Siluriformes, Trichomycteridae): relationships and taxonomy" masterLastPageNumber="218" masterPageNumber="199" pageNumber="199" updateTime="1726068310652" updateUser="admin">
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<mods:title id="7B0A9859E987D417DF2074EA07318C65">Top mountain areas of subtropical southern Brazil sheltering four new small-ranged catfishes (Siluriformes, Trichomycteridae): relationships and taxonomy</mods:title>
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<mods:namePart id="E4E681894B8E9A0E08B9AB6393522CDB">Costa, Wilson J. E. M.</mods:namePart>
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<mods:affiliation id="94ED08B654F0C7872480D6C3004780C3">Laboratory of Systematics and Evolution of Teleost Fishes, Institute of Biology, Federal University of Rio de Janeiro, Caixa Postal 68049, CEP 21941 - 971, Rio de Janeiro, Brazil</mods:affiliation>
</mods:name>
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<mods:namePart id="C43A172361F3631067A7310A863BD414">Feltrin, Caio R. M.</mods:namePart>
<mods:affiliation id="CCEF8A14FF1DBBE40F7120609531A07D">Laboratory of Systematics and Evolution of Teleost Fishes, Institute of Biology, Federal University of Rio de Janeiro, Caixa Postal 68049, CEP 21941 - 971, Rio de Janeiro, Brazil</mods:affiliation>
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<mods:namePart id="A3EAA2E6BA5F31B5606330D4951838AC">Mattos, José Leonardo O.</mods:namePart>
<mods:affiliation id="B71957E78CF7967577D2C20314ECBCD9">Laboratory of Systematics and Evolution of Teleost Fishes, Institute of Biology, Federal University of Rio de Janeiro, Caixa Postal 68049, CEP 21941 - 971, Rio de Janeiro, Brazil</mods:affiliation>
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<mods:namePart id="85FBFDFF1B40124DEBE64157BC3DF12A">Katz, Axel M.</mods:namePart>
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<mods:affiliation id="67DC3601F851B8A801241848F8551054">Laboratory of Systematics and Evolution of Teleost Fishes, Institute of Biology, Federal University of Rio de Janeiro, Caixa Postal 68049, CEP 21941 - 971, Rio de Janeiro, Brazil</mods:affiliation>
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<mods:title id="AA1EDAE92D33E98795C6E91DE2A13E3A">Evolutionary Systematics</mods:title>
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<mods:date id="A766FF5C4E34EF5EB520215D80848240">2024</mods:date>
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<mods:number id="6532918E91DCA58D918F3A0E5CD1B5A2">8</mods:number>
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<subSubSection id="32BE27C41E8AA13FEE06CA907E21B376" type="nomenclature">
<paragraph id="7045CB15C851BA4EDC1D951C116F8F0B">
<taxonomicName id="5AA7004DD568B6201587DC7C312B5BFA" authority="Costa, Feltrin &amp; Katz" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna" status="sp. nov.">
<emphasis id="3CA2E9D4CA3F65105B3CD0BBCEA47BEC" italics="true">Cambeva rotundipinna</emphasis>
Costa, Feltrin &amp; Katz
</taxonomicName>
<taxonomicNameLabel id="041BE5C0A671B157B5FC5D82E6555218" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="B2B9415C70780946FEDDA8308EC78333" type="description">
<paragraph id="8DE531E2B2DB36F443A72535CF312A95">
<figureCitation id="83495A247C840D60A56D4B8910C97C99" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Osteological structures of: A – C. Cambeva galactica Costa, Feltrin &amp; Katz, sp. nov.; D – F. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov.; G – I. Cambeva luteoreticulata Costa, Feltrin &amp; Katz, sp. nov., and J – L. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov. A, D, G, J. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view; B, E, H, K. Left jaw suspensorium and opercular series, lateral view. C, F, I, L. Parurohyal, ventral view. Abbreviation of structure indicated by arrow: aes, anteromedial expansion of sesamoid supraorbital. Larger stippling represents cartilaginous areas." httpUri="https://binary.pensoft.net/fig/1131386">Figs 4 J – L</figureCitation>
, 
<figureCitation id="72D37C2BAF02332484EE6446E9C46DBA" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov., holotype, UFRJ 14070, 78.0 mm SL. A. Lateral view; B. Dorsal view; C. Ventral view." httpUri="https://binary.pensoft.net/fig/1131392">10</figureCitation>
, 
<figureCitation id="FBA9207866F6FBD41802B51884369DC8" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov., paratype, UFRJ 13820, 44.0 mm SL. A. Lateral view; B. Dorsal view; C. Ventral view." httpUri="https://binary.pensoft.net/fig/1131393">11</figureCitation>
, 
<tableCitation id="340C4EFD8EAAB43503919BB380987F13" captionStart="Table 6" captionStartId="T6" captionText="Table 6. Morphometric data of Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov." httpUri="http://table.plazi.org/id/A597E4A5185581168849161A4D978E9A" tableUuid="A597E4A5185581168849161A4D978E9A">Table 6</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EYNCI" type="type material">
<paragraph id="E8CDAC90D141FCBFB25A15F3293DA496">
<heading id="A3086CE5803607185382C5FA05BCF7EB" reason="title">Type material.</heading>
</paragraph>
<paragraph id="7B949FFD528856FF30DBC4CD423EFEAC">
<materialsCitation id="14E0A6880EF03B61EB64B6FBF721E081" collectingDate="2023-04-01" collectionCode="R" collectorName="C. R. M. Feltrin &amp; L. Sebben" country="Brazil" county="Matos Costa Municipality" elevation="1000" latitude="-26.417221" location="Rio da Paca, tributary of Rio Jangada, Rio Iguacu drainage, Rio Parana basin" longLatPrecision="20" longitude="-51.261665" municipality="Matos Costa Municipality" specimenCode="UFRJ 14070" specimenCount="1" stateProvince="Santa Catarina State" typeStatus="holotype">
<emphasis id="7250F1406F64AFA8C1584EFF6C72C858" bold="true">
<emphasis id="B6AFD1F756B3C031653DA5339803006B" bold="true" italics="true">
<typeStatus id="0F9BBB2F1219E16A49CC7B296D43B496" type="holotype">Holotype</typeStatus>
</emphasis>
.
</emphasis>
<collectingCountry id="C4BC6DE3E6D4ADA127D9501796009B2D" name="Brazil">Brazil</collectingCountry>
• 78.0 mm SL; Brazil: 
<collectingRegion id="E1FF20DFFB82D352C8087CF8A5FF5163" country="Brazil" name="Santa Catarina">Santa Catarina State</collectingRegion>
: 
<collectingMunicipality id="ECBD1106CA7A0D5DE5E47DF2F482EB69">Matos Costa Municipality</collectingMunicipality>
: 
<collectingMunicipality id="47C3E41B2AA82B8B0FDBBA12A9E4A5B4">Paca road</collectingMunicipality>
: 
<location id="3C76BE494530361E83A7758813AC03C4" LSID="urn:lsid:plazi:treatment:75406B8769645F46BF04B2B82DDE9268:3C76BE494530361E83A7758813AC03C4" country="Brazil" county="Matos Costa Municipality" latitude="-26.417221" longLatPrecision="20" longitude="-51.261665" municipality="Matos Costa Municipality" name="Rio da Paca, tributary of Rio Jangada, Rio Iguacu drainage, Rio Parana basin" stateProvince="Santa Catarina State">Rio da Paca, tributary of Rio Jangada, Rio Iguaçu drainage, Rio Paraná basin</location>
; 
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<geoCoordinate id="127127F30BBFA2730E6FAB921A4DB2F2" degrees="26" direction="south" minutes="25" orientation="latitude" precision="15" seconds="02" value="-26.417221">26 ° 25 ' 02 &quot; S</geoCoordinate>
, 
<geoCoordinate id="AB13E69AB1E2661572CC4FDB2873C86B" degrees="51" direction="west" minutes="15" orientation="longitude" precision="15" seconds="42" value="-51.261665">51 ° 15 ' 42 &quot; W</geoCoordinate>
</named-content>
; about 
<elevation id="5B8B43FD5780E541303B3AB1059F0A19" metricMagnitude="3" metricUnit="m" metricValue="1.0" unit="m" value="1000.0">
<quantity id="39EB6B3852FA4432D29B15CF57D3C350" metricMagnitude="3" metricUnit="m" metricValue="1.0" unit="m" value="1000.0">1000 m</quantity>
asl
</elevation>
; 
<date id="58FD06616D397C6C1EF05569BF9960BF" value="2023-04-01">
<collectingDate id="BDB70B8380E2689A28048FF7C2B252C6" value="2023-04-01">1 Apr. 2023</collectingDate>
</date>
; 
<collectorName id="FAB7D84D6FE72B3FCD96680DD0911706">C. R. M. Feltrin</collectorName>
and 
<collectorName id="AF33515C58D1B113B396CF55E83A7621">L. Sebben</collectorName>
, leg.; 
<specimenCode id="033CFB7511FCBA41EC11393213EC2D63">
<named-content id="BB517CFAB707D17056F506F06B34D49E" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/universidade-federal-rural-do-rio-de-janeiro" xlink_title="Instituto de Biologia, Universidade Federal do Rio de Janeiro">UFRJ</named-content>
14070
</specimenCode>
.
</materialsCitation>
</paragraph>
<paragraph id="BC0DD4F637FDEC2109514F8F87C778CD">
<materialsCitation id="4AFE7051B54DE95E39A16716154EF1C7" collectingDate="2023-04-01" collectionCode="R" collectorName="C. R. M. Feltrin &amp; L. Sebben" country="Brazil" county="Matos Costa Municipality" elevation="1000" latitude="-26.417221" location="Rio da Paca, tributary of Rio Jangada, Rio Iguacu drainage, Rio Parana basin" longLatPrecision="20" longitude="-51.261665" municipality="Paca" specimenCode="UFRJ 13820" specimenCount="2" stateProvince="Santa Catarina" typeStatus="paratype">
<emphasis id="765FB470E0C168A5218A62DEB1A694B9" bold="true">
<emphasis id="5C08CCC1132B2EDF98451CBBCBA9B863" bold="true" italics="true">
<typeStatus id="8E75A1595D2E29A86CD720850003A3D4" type="paratype">Paratypes</typeStatus>
</emphasis>
.
</emphasis>
All from 
<collectingRegion id="1E9942DF0683993FB05D149C50C2360D" country="Brazil" name="Santa Catarina">Santa Catarina State</collectingRegion>
: 
<collectingMunicipality id="381D6568F96D7F7F6660CD9A904D0949">Matos Costa Municipality</collectingMunicipality>
: 
<collectingMunicipality id="72FE04FD7DBEAF9094B71AA489D1E465">Paca road</collectingMunicipality>
: 
<location id="A4A6B6461F95796766B5541E919FDD7B" LSID="urn:lsid:plazi:treatment:75406B8769645F46BF04B2B82DDE9268:A4A6B6461F95796766B5541E919FDD7B" country="Brazil" county="Rio Iguacu" municipality="Matos Costa Municipality" name="Rio da Paca, tributary of Rio Jangada, Rio Iguacu drainage, Rio Parana basin" stateProvince="Santa Catarina State">Rio da Paca, tributary of Rio Jangada, Rio Iguaçu drainage, Rio Paraná basin</location>
. 
<collectingCountry id="07094460A78E7098630A341CB782C233" name="Brazil">Brazil</collectingCountry>
• 
<specimenCount id="2ED987E23413EFCBB9905C556864DB2C" count="2" type="generic">2 ex.</specimenCount>
, 
<quantity id="C5B4962DECFE88E01511A4A282E66563" metricMagnitude="-2" metricUnit="m" metricValue="6.034999999999999" metricValueMax="7.63" metricValueMin="4.4399999999999995" unit="mm" value="60.349999999999994" valueMax="76.3" valueMin="44.4">44.4–76.3 mm</quantity>
SL; same data as holotype; 
<specimenCode id="5532832B6008BE76B413E69A8D0C1878">
<named-content id="A8F37BB4043C427305387C4790675B65" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/universidade-federal-rural-do-rio-de-janeiro" xlink_title="Instituto de Biologia, Universidade Federal do Rio de Janeiro">UFRJ</named-content>
13820
</specimenCode>
</materialsCitation>
. • 
<materialsCitation id="864650F3D7E10DD3F56CADC5E2684EA6" collectingDate="2023-04-01" collectionCode="R" collectorName="C. R. M. Feltrin &amp; L. Sebben" country="Brazil" county="Matos Costa Municipality" elevation="1000" latitude="-26.417221" location="Rio da Paca, tributary of Rio Jangada, Rio Iguacu drainage, Rio Parana basin" longLatPrecision="20" longitude="-51.261665" municipality="Paca" specimenCode="UFRJ 14071" specimenCount="3" stateProvince="Santa Catarina" typeStatus="paratype">
<specimenCount id="3CB161FB825C651D7C4D5CBD10D6851A" count="3" type="generic">3 ex.</specimenCount>
(C &amp; S), 
<quantity id="4F497FB53EE1987148D57FF936A31242" metricMagnitude="-2" metricUnit="m" metricValue="4.275" metricValueMax="5.52" metricValueMin="3.03" unit="mm" value="42.75" valueMax="55.2" valueMin="30.3">30.3–55.2 mm</quantity>
SL; collected with holotype; 
<specimenCode id="3193AFBF537939D8F2AFCD72825E2CC9">
<named-content id="5641E668AFA1C22FBB05B975B430BF3D" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/universidade-federal-rural-do-rio-de-janeiro" xlink_title="Instituto de Biologia, Universidade Federal do Rio de Janeiro">UFRJ</named-content>
14071
</specimenCode>
</materialsCitation>
. • 
<materialsCitation id="377DBA85E9D381DB01F19C0954BD7F52" collectingDate="2023-04-01" collectionCode="R" collectorName="C. R. M. Feltrin &amp; L. Sebben" country="Brazil" county="Matos Costa Municipality" elevation="1000" latitude="-26.417221" location="Rio da Paca, tributary of Rio Jangada, Rio Iguacu drainage, Rio Parana basin" longLatPrecision="20" longitude="-51.261665" municipality="Paca" specimenCode="UFRJ 13559" specimenCount="1" stateProvince="Santa Catarina" typeStatus="paratype">
<specimenCount id="515A56910CFE70BEC4682A8D2EA03CBC" count="1" type="generic">1 ex.</specimenCount>
, 
<quantity id="F2B4E15BE14AA1E9843D84DDEEB49AF6" metricMagnitude="-2" metricUnit="m" metricValue="3.08" unit="mm" value="30.8">30.8 mm</quantity>
SL; collected with holotype; 
<specimenCode id="D0B594EC6E4BF180AE73EC93CA956521">
<named-content id="2A5F0CF1F03DA2037EE1F44DD1DBDEB1" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/universidade-federal-rural-do-rio-de-janeiro" xlink_title="Instituto de Biologia, Universidade Federal do Rio de Janeiro">UFRJ</named-content>
13559
</specimenCode>
</materialsCitation>
. • 
<materialsCitation id="2E9359317AE32CF17AEE744B3C95C3B6" collectingDate="2023-06-30" collectionCode="R" collectorName="C. R. M. Feltrin" country="Brazil" elevation="1000" latitude="-26.418333" longLatPrecision="20" longitude="-51.275" specimenCode="UFRJ 13560" specimenCount="1" stateProvince="Santa Catarina" typeStatus="paratype">
<specimenCount id="A64E653D0C531A37F8E7AE0D8E16EC4C" count="1" type="generic">1 ex.</specimenCount>
(DNA), 
<quantity id="F6A4E3346C51E6CA1AA4751B9D2F9353" metricMagnitude="-2" metricUnit="m" metricValue="2.78" unit="mm" value="27.8">27.8 mm</quantity>
SL; 
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<geoCoordinate id="A630AC03B5F75260A25701B95B1FD839" degrees="26" direction="south" minutes="25" orientation="latitude" precision="15" seconds="06" value="-26.418333">26 ° 25 ' 06 &quot; S</geoCoordinate>
, 
<geoCoordinate id="04CB729C428B96FEB2EA890938D04A6C" degrees="51" direction="west" minutes="16" orientation="longitude" precision="15" seconds="30" value="-51.275">51 ° 16 ' 30 &quot; W</geoCoordinate>
</named-content>
; about 
<elevation id="6EC520D60A790E1C45CAC60A941A96A4" metricMagnitude="3" metricUnit="m" metricValue="1.0" unit="m" value="1000.0">
<quantity id="93AEC7B30912105FDD38FC04EE23E714" metricMagnitude="3" metricUnit="m" metricValue="1.0" unit="m" value="1000.0">1000 m</quantity>
asl
</elevation>
; 
<date id="9A7AD450383C9199E13FED2267111DDF" value="2023-06-30">
<collectingDate id="5CAA24654A9E5C82BCB3F04A0CB7064C" value="2023-06-30">30 Jun. 2023</collectingDate>
</date>
; 
<collectorName id="DF31DBE301A57D5479B685167B8284CD">C. R. M. Feltrin</collectorName>
, leg.; 
<specimenCode id="9B9BB09CDA7EF3FA40EDFEF3CB48DCDB">
<named-content id="3BACE9B38E1C6A0BB68F32853E45E07B" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/universidade-federal-rural-do-rio-de-janeiro" xlink_title="Instituto de Biologia, Universidade Federal do Rio de Janeiro">UFRJ</named-content>
13560
</specimenCode>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EOPCI" type="diagnosis">
<paragraph id="D5FDEBB92A6897EA80C6C8443F62B0BE">
<heading id="7220AFE3FDA5AB47F1CE75CDF2D107EA" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="2A383A01D53B32CD968887B7DD26E0A7">
<taxonomicName id="A318C595EEA72F3F0FFD0CD7FFBACF57" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna">
<emphasis id="0CDC62164459343A278253CF74B7347C" italics="true">Cambeva rotundipinna</emphasis>
</taxonomicName>
differs from all other congeners of the 
<taxonomicName id="A88A2CE8820A3DD19E76A365F163C16C" authorityName="Katz, Barbosa, Mattos &amp; Costa" authorityYear="2018" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="genus">
<emphasis id="F29055E0C0487D0BFAD1035D89FFBACD" italics="true">Cambeva</emphasis>
</taxonomicName>
beta-clade, except 
<taxonomicName id="4FC651D7635F6071EB4F68FC87EFCE45" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="luteoreticulata">
<emphasis id="5BCAAF13641E3FCD11850BBC801953AE" italics="true">C. luteoreticulata</emphasis>
</taxonomicName>
, by having a relatively short and rounded caudal fin in specimens above about 
<quantity id="3DCA9E02578C0938025EC31A5447A30F" metricMagnitude="-2" metricUnit="m" metricValue="6.0" unit="mm" value="60.0">60 mm</quantity>
SL (Fig. 
<figureCitation id="B8276E5ADB6DC06FECAC0C4DB9F77BD5" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov., holotype, UFRJ 14070, 78.0 mm SL. A. Lateral view; B. Dorsal view; C. Ventral view." httpUri="https://binary.pensoft.net/fig/1131392">10 A</figureCitation>
; vs. subtruncate, truncate, emarginate or forked). 
<taxonomicName id="26D25729262E209CD85858C08A3BEFF7" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna">
<emphasis id="4F4BA3AA08445455B05333B168378EF9" italics="true">Cambeva rotundipinna</emphasis>
</taxonomicName>
differs from 
<taxonomicName id="8AD641DD5B5407792E035B1574B30762" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="luteoreticulata">
<emphasis id="89022266BACB51606D49798000E21B74" italics="true">C. luteoreticulata</emphasis>
</taxonomicName>
by having fewer procurrent caudal-fin rays (15–17 dorsal and 10 or 11 ventral, vs. 21 or 22 and 15 or 16, respectively), jaw teeth irregularly arranged (vs. arranged in three rows), more opercular odontodes (14–17 vs. nine or ten), longer nasal barbel in specimens above 
<quantity id="9358F58AC2455FBED760125764A50959" metricMagnitude="-2" metricUnit="m" metricValue="6.0" unit="mm" value="60.0">60 mm</quantity>
SL, reaching area between orbit and opercular patch of odontodes (vs. reaching area anterior to orbit), and a colour pattern of juveniles, in which the flank is light brownish yellow with small black dots irregularly arranged (vs. pale yellow with large, irregularly shaped dark brown to black blotches, more concentrated on its dorsal portion). 
<taxonomicName id="AA291A52693B7719A4814CDCEDF64B98" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna">
<emphasis id="9FAD59CD31C6284CFD8E841FF3B9AACE" italics="true">Cambeva rotundipinna</emphasis>
</taxonomicName>
also differs from 
<taxonomicName id="305339030BDDA92BE83DDE047C8B6CD8" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="atrobrunnea">
<emphasis id="9BAE479C4064B677D2F88C998D5880B8" italics="true">C. atrobrunnea</emphasis>
</taxonomicName>
, another species from western RISE, by having more odontodes (14–17 opercular and 30–34 interopercular, vs. 12 and 20–22, respectively) and a different juvenile colour pattern, comprising black dots irregularly arranged on the flank (Fig. 
<figureCitation id="3E17F4B1FC9BDA6EEB5C1B92DDBABEAB" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov., paratype, UFRJ 13820, 44.0 mm SL. A. Lateral view; B. Dorsal view; C. Ventral view." httpUri="https://binary.pensoft.net/fig/1131393">11 A</figureCitation>
; vs. black dots arranged in irregular longitudinal rows, coalesced to form stripe on the anterior flank midline, Fig. 
<figureCitation id="4B6FBE7A115709DA7083BD28DE05E64F" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov., paratype, UFRJ 13821, 33.4 mm SL. A. Lateral view; B. Dorsal view; C. Ventral view." httpUri="https://binary.pensoft.net/fig/1131389">7 A</figureCitation>
). 
<taxonomicName id="E338375ED12C0076A0E5872E9D16078D" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna">
<emphasis id="C63B9A89172BB8CD5FAB1CDB1912D4C4" italics="true">Cambeva rotundipinna</emphasis>
</taxonomicName>
also differs from both 
<taxonomicName id="3A6191901E3EDE1ED3AD9FD6F95A6429" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="atrobrunnea">
<emphasis id="7CDEE1C742AAEB6AB111C7BE6B6D2C7B" italics="true">C. atrobrunnea</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C43F59CC0E415DEC132CB8BC422A49C" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="luteoreticulata">
<emphasis id="C80EEADBB5A880BDEC7B46B8364CFC04" italics="true">C. luteoreticulata</emphasis>
</taxonomicName>
by having a broader autopalatine, with its largest width about equal to its length (Fig. 
<figureCitation id="F8722813319859A3584B089EE616868E" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Osteological structures of: A – C. Cambeva galactica Costa, Feltrin &amp; Katz, sp. nov.; D – F. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov.; G – I. Cambeva luteoreticulata Costa, Feltrin &amp; Katz, sp. nov., and J – L. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov. A, D, G, J. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view; B, E, H, K. Left jaw suspensorium and opercular series, lateral view. C, F, I, L. Parurohyal, ventral view. Abbreviation of structure indicated by arrow: aes, anteromedial expansion of sesamoid supraorbital. Larger stippling represents cartilaginous areas." httpUri="https://binary.pensoft.net/fig/1131386">4 J</figureCitation>
, vs. narrower, Fig. 
<figureCitation id="1AA9AAE68675EA989A809277889E8EA8" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Osteological structures of: A – C. Cambeva galactica Costa, Feltrin &amp; Katz, sp. nov.; D – F. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov.; G – I. Cambeva luteoreticulata Costa, Feltrin &amp; Katz, sp. nov., and J – L. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov. A, D, G, J. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view; B, E, H, K. Left jaw suspensorium and opercular series, lateral view. C, F, I, L. Parurohyal, ventral view. Abbreviation of structure indicated by arrow: aes, anteromedial expansion of sesamoid supraorbital. Larger stippling represents cartilaginous areas." httpUri="https://binary.pensoft.net/fig/1131386">4 D, G</figureCitation>
) and a shorter posterior process of the parurohyal, its length about one third of the distance between the anterior margin of the parurohyal and the anterior insertion of the posterior process (Fig. 
<figureCitation id="82009569D0C29325E112B2D5993976BB" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Osteological structures of: A – C. Cambeva galactica Costa, Feltrin &amp; Katz, sp. nov.; D – F. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov.; G – I. Cambeva luteoreticulata Costa, Feltrin &amp; Katz, sp. nov., and J – L. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov. A, D, G, J. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view; B, E, H, K. Left jaw suspensorium and opercular series, lateral view. C, F, I, L. Parurohyal, ventral view. Abbreviation of structure indicated by arrow: aes, anteromedial expansion of sesamoid supraorbital. Larger stippling represents cartilaginous areas." httpUri="https://binary.pensoft.net/fig/1131386">4 L</figureCitation>
, vs. longer, Fig. 
<figureCitation id="38B276169AD0D0498ABA749539FA8A7D" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Osteological structures of: A – C. Cambeva galactica Costa, Feltrin &amp; Katz, sp. nov.; D – F. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov.; G – I. Cambeva luteoreticulata Costa, Feltrin &amp; Katz, sp. nov., and J – L. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov. A, D, G, J. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view; B, E, H, K. Left jaw suspensorium and opercular series, lateral view. C, F, I, L. Parurohyal, ventral view. Abbreviation of structure indicated by arrow: aes, anteromedial expansion of sesamoid supraorbital. Larger stippling represents cartilaginous areas." httpUri="https://binary.pensoft.net/fig/1131386">4 F, I</figureCitation>
). 
<taxonomicName id="69CCC8A684E3FF771B38660A4065C93E" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna">
<emphasis id="7786E2FB7C9393EA638D93025B919CD2" italics="true">Cambeva rotundipinna</emphasis>
</taxonomicName>
is also distinguished from all other species of 
<taxonomicName id="6D01E10C5FA832C0475DEAF6B80F11A1" authorityName="Katz, Barbosa, Mattos &amp; Costa" authorityYear="2018" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="genus">
<emphasis id="2626FE094A0CD9BF1BDFADFD03DF3440" italics="true">Cambeva</emphasis>
</taxonomicName>
endemic to the Rio Iguaçu drainage by the following combination of character states: seven pectoral-fin rays (vs. eight in 
<taxonomicName id="FD8B37E696C1982C8D712B41F6064A4F" baseAuthorityName="de Pinna" baseAuthorityYear="1992" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="castroi">
<emphasis id="A7DD399DE37CF30858AEF2A423B00A18" italics="true">C. castroi</emphasis>
</taxonomicName>
, 
<taxonomicName id="0B6C476F4F9608551DAB6AACE83E9BA6" authorityName="Costa, Abilhoa, Dalcin &amp; Katz" authorityYear="2022" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="melanoptera">
<emphasis id="99EF21123E647C4F6D9C2BF725DD94D9" italics="true">C. melanoptera</emphasis>
</taxonomicName>
, 
<taxonomicName id="15A75761F09E0DC022C9C57C137A5802" baseAuthorityName="Wosiacki &amp; de Pinna" baseAuthorityYear="2008" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="crassicaudata">
<emphasis id="E2C1E0D34F9781C5BCC889F71A5E7792" italics="true">C. crassicaudata</emphasis>
</taxonomicName>
, 
<taxonomicName id="3651B76798300A41F833BEE872BE1F60" authorityName="" baseAuthorityName="Miranda Ribeiro" baseAuthorityYear="1968" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="stawiarski">
<emphasis id="41E3DFABCA1E6480E8AD6A23663A7053" italics="true">C. stawiarski</emphasis>
</taxonomicName>
; and six in 
<taxonomicName id="78311C7F82008C7CDC14584B9EC5E670" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="galactica">
<emphasis id="CBFD3F84AFC38F42297409633EEEF10F" italics="true">C. galactica</emphasis>
</taxonomicName>
, 
<taxonomicName id="CE65054BFEB384902736B2BEF327B28E" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="naipi">
<emphasis id="1991AC888CD9A1A07C88C68A84F6E52A" italics="true">C. naipi</emphasis>
</taxonomicName>
, and 
<taxonomicName id="98BE3E9476599F496FAC490A0FEF2F41" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="29C970E9F9004528974B13C9DFC66C60" italics="true">C. taroba</emphasis>
</taxonomicName>
); absence of the anterior infraorbital (vs. presence in 
<taxonomicName id="66B2A98C113B101C6DD58685CBC950AD" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="galactica">
<emphasis id="BFC88AA3125D126EB2A34044C4A6B6EF" italics="true">C. galactica</emphasis>
</taxonomicName>
, 
<taxonomicName id="ACCFA1D00E1533B2603DF63523C0F7BC" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="naipi">
<emphasis id="610E3E6A98D05DB9A831B87A30BF9F87" italics="true">C. naipi</emphasis>
</taxonomicName>
, 
<taxonomicName id="6A64CE2713EA6174DBD08A7609DB2F82" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="papillifera">
<emphasis id="A63B07FD4B4934F4C7B12A434A46BFC1" italics="true">C. papillifera</emphasis>
</taxonomicName>
, 
<taxonomicName id="B4DEFDD119E359E4E660DB578845B7AB" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="plumbea">
<emphasis id="8BD29AECDF33D80E783721595243FCB9" italics="true">C. plumbea</emphasis>
</taxonomicName>
, and 
<taxonomicName id="5E04FF3B956D3F940C2886633D1FD8EE" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="0173DC4F6252B97F00D2B88A40B4BD4C" italics="true">C. taroba</emphasis>
</taxonomicName>
); posterior margin of the caudal fin convex (vs. about straight in 
<taxonomicName id="AE08C7474CD710F923D1FE22E5812B87" baseAuthorityName="Wosiacki &amp; de Pinna" baseAuthorityYear="2008" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="crassicaudata">
<emphasis id="49ECD42F01FDC7218094DBBF061CE09A" italics="true">C. crassicaudata</emphasis>
</taxonomicName>
, 
<taxonomicName id="5EF8695664CBAFD4517BE50B37813FF1" baseAuthorityName="Haseman" baseAuthorityYear="1911" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="davisi">
<emphasis id="7B4B70ED1A9D8CCA876573ECDC1FD7E9" italics="true">C. davisi</emphasis>
</taxonomicName>
, 
<taxonomicName id="305869A28EEA096539A1016271EF5E3B" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="galactica">
<emphasis id="526476D96AFBD4532C4239EAD38AA792" italics="true">C. galactica</emphasis>
</taxonomicName>
, 
<taxonomicName id="FDEA0D48D413F8C8B1A9BED4C91C74FF" authorityName="Costa, Abilhoa, Dalcin &amp; Katz" authorityYear="2022" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="melanoptera">
<emphasis id="3D6E930409CC3B284B2BB87E4D60B55C" italics="true">C. melanoptera</emphasis>
</taxonomicName>
, 
<taxonomicName id="B318F881BAF146A8580C00B2426B4CC2" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="papillifera">
<emphasis id="E68DDB5B767134B5A2E839C9945E2E4E" italics="true">C. papillifera</emphasis>
</taxonomicName>
, 
<taxonomicName id="957DFB39BB119874B2CC6C75C9B5DB43" authorityName="dos Reis, Wosiacki, Ferrer, Donin &amp; da Graca" authorityYear="2022" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="piraquara">
<emphasis id="5EC6F03D56916C7F840946BEC91F24A0" italics="true">C. piraquara</emphasis>
</taxonomicName>
, 
<taxonomicName id="A4DAD7497EB23B6E3F7C2975B6075688" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="plumbea">
<emphasis id="C89B53BD8185920652CC270D3C3F7A84" italics="true">C. plumbea</emphasis>
</taxonomicName>
, 
<taxonomicName id="076DD4CE67F9E2A4C447DF25B9B01AD7" baseAuthorityName="Wosiacki &amp; de Pinna" baseAuthorityYear="2008" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="igobi">
<emphasis id="B941571D8A392429BB343FECF0B37B48" italics="true">C. igobi</emphasis>
</taxonomicName>
; straight to slightly concave in 
<taxonomicName id="506772B9104A3811C6B4B74B5CFE30B0" authorityName="" baseAuthorityName="Miranda Ribeiro" baseAuthorityYear="1968" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="stawiarski">
<emphasis id="F9CC1E990B80EE822BCCCB69AF6694DE" italics="true">C. stawiarski</emphasis>
</taxonomicName>
; bilobed in 
<taxonomicName id="16FD9BEE1EE93066EF54B42767BDD326" baseAuthorityName="Wosiacki &amp; de Pinna" baseAuthorityYear="2008" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="crassicaudata">
<emphasis id="2651C0EA7B73A24A14D81116BC33BA21" italics="true">C. crassicaudata</emphasis>
</taxonomicName>
; and emarginate in 
<taxonomicName id="81D74434AEC12985E77F5D1AE21A4263" authorityName="dos Reis, Ferrer &amp; Graca" authorityYear="2021" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="cauim">
<emphasis id="803CA7FFA4B631A7143FD8D81A9D06AC" italics="true">C. cauim</emphasis>
</taxonomicName>
); absence of hypertrophied papillae on the ventral surface of the head (vs. presence in 
<taxonomicName id="FFFE42F81EAB7874EB481D546450D802" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="papillifera">
<emphasis id="5EB620648A074EBB2349D06DF4AD6D28" italics="true">C. papillifera</emphasis>
</taxonomicName>
); absence of pectoral-fin filament (vs. presence a well-developed filament in 
<taxonomicName id="0F68BFBC6D6C90D905235A1990FFB7F8" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="E04EC06A262A4A006AD3FA98EB567C7E" italics="true">C. taroba</emphasis>
</taxonomicName>
and a rudimentary filament in 
<taxonomicName id="754641785B2E514957BA00E807419E89" baseAuthorityName="Haseman" baseAuthorityYear="1911" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="davisi">
<emphasis id="EABC9A86531074E96D703AAEE940B285" italics="true">C. davisi</emphasis>
</taxonomicName>
and 
<taxonomicName id="666661BD4BE651254F4A43E1C2CA3EE5" authorityName="dos Reis, Wosiacki, Ferrer, Donin &amp; da Graca" authorityYear="2022" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="piraquara">
<emphasis id="7796851803699010B7D740554C85472A" italics="true">C. piraquara</emphasis>
</taxonomicName>
); nine or 10 opercular odontodes (vs. broad, with 17 or 
<quantity id="1CA37310D75FEA735DF5BC616B817BAE" metricMagnitude="-1" metricUnit="m" metricValue="4.572" unit="in" value="18.0">18 in</quantity>
<taxonomicName id="FCB34285F9C020D6565AD16E902BC620" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="mboycy">
<emphasis id="A4E3AA30C1674A52BF0078B56ACCAA38" italics="true">C. mboycy</emphasis>
</taxonomicName>
; 15 or 
<quantity id="F73D7C3011DD82BCE0D53D9CE941FC5F" metricMagnitude="-1" metricUnit="m" metricValue="4.064" unit="in" value="16.0">16 in</quantity>
<taxonomicName id="B9C15B5133C01BC3C0E88F8A08AAF968" baseAuthorityName="Haseman" baseAuthorityYear="1911" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="davisi">
<emphasis id="297D3CE7187B41265E666738344E0C9D" italics="true">C. davisi</emphasis>
</taxonomicName>
; seven or eight in 
<taxonomicName id="1C3E2317F77732AF939530533C17BA41" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="4EE1815E216435B68C4EE7F69FCCEAB9" italics="true">C. taroba</emphasis>
</taxonomicName>
); 30–34 interopercular odontodes (vs. 12 or 
<quantity id="B2CE92A1D13E2EEA2857F4CF76DFE545" metricMagnitude="-1" metricUnit="m" metricValue="3.302" unit="in" value="13.0">13 in</quantity>
<taxonomicName id="E38DE73984F74C4F5241421BA4B54091" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="naipi">
<emphasis id="83A128D0E3D46F892093C2407337EB02" italics="true">C. naipi</emphasis>
</taxonomicName>
; 
<quantity id="68338D1C184C85B7DB8EEEEFE7CE3A49" metricMagnitude="-1" metricUnit="m" metricValue="4.826" metricValueMax="5.334" metricValueMin="4.318" unit="in" value="19.0" valueMax="21.0" valueMin="17.0">17–21 in</quantity>
<taxonomicName id="4D46BC0EA6C9C1DE8BA60FA2AABAC611" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="mboycy">
<emphasis id="3A71AD4051241C50916F972F29431D6D" italics="true">C. mboycy</emphasis>
</taxonomicName>
and 
<taxonomicName id="64690F912D2EAD33F6C68DA6B0C884C3" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="F59E44C4505B629D9F1807F2E2FE03DA" italics="true">C. taroba</emphasis>
</taxonomicName>
); 15–17 dorsal procurrent caudal-fin rays (vs. 
<quantity id="FCC201F56EB6DA6FF9E8D7A858C88E88" metricMagnitude="-1" metricUnit="m" metricValue="6.858" metricValueMax="7.366" metricValueMin="6.35" unit="in" value="27.0" valueMax="29.0" valueMin="25.0">25–29 in</quantity>
<taxonomicName id="7BB13F3649F7368B4204E8E14005B517" baseAuthorityName="Wosiacki &amp; de Pinna" baseAuthorityYear="2008" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="crassicaudata">
<emphasis id="954153D3B67A0D2D1A633DB62EC184B1" italics="true">C. crassicaudata</emphasis>
</taxonomicName>
, 
<taxonomicName id="023A7517FFFE9771E509CA53EFA0D738" baseAuthorityName="Wosiacki &amp; de Pinna" baseAuthorityYear="2008" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="igobi">
<emphasis id="4030923908EAB8F3250A084A5EF7339B" italics="true">C. igobi</emphasis>
</taxonomicName>
, 
<taxonomicName id="552BE05761FF25F7A383AA655E4E8C9E" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="mboycy">
<emphasis id="F8D3483A6D151413F14D6A7D21D42C39" italics="true">C. mboycy</emphasis>
</taxonomicName>
, 
<taxonomicName id="913570AF7B6FEC2DD2645D50CADC511B" authorityName="" baseAuthorityName="Miranda Ribeiro" baseAuthorityYear="1968" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="stawiarski">
<emphasis id="BA2335F098B2B27567AEE4FB7DB78190" italics="true">C. stawiarski</emphasis>
</taxonomicName>
, and 
<taxonomicName id="75C8D91E2CA562F9F61E79049C0C68C0" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="E83030091C9BFCCDCA0716468EA6A69E" italics="true">C. taroba</emphasis>
</taxonomicName>
; 30 or 
<quantity id="0FB5C97743B7814C00C09898F8B84BDF" metricMagnitude="-1" metricUnit="m" metricValue="7.874" unit="in" value="31.0">31 in</quantity>
<taxonomicName id="016DF4C9F0AD674D9D005560DD8B5BFE" authorityName="dos Reis, Ferrer &amp; Graca" authorityYear="2021" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="cauim">
<emphasis id="2990D6BE8CC28888C8BB82CACD1026C0" italics="true">C. cauim</emphasis>
</taxonomicName>
); 10 or 11 ventral procurrent caudal-fin rays (vs. 15 or 
<quantity id="8DACADA7697115475E5D513782F8C31F" metricMagnitude="-1" metricUnit="m" metricValue="4.064" unit="in" value="16.0">16 in</quantity>
<taxonomicName id="82B3518DB7A46A5A970F09045FE8E2FD" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="naipi">
<emphasis id="053C193887A94AC9525E97EEEB08D010" italics="true">C. naipi</emphasis>
</taxonomicName>
, 
<quantity id="323ECB376F30B83C8BC5F651DFA72ADC" metricMagnitude="-1" metricUnit="m" metricValue="5.588" metricValueMax="5.842" metricValueMin="5.334" unit="in" value="22.0" valueMax="23.0" valueMin="21.0">21–23 in</quantity>
<taxonomicName id="1D618C20DAD23025F9A870D1307E3FC9" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="B3701D3B5C9ED5819BEE9B637FF53434" italics="true">C. taroba</emphasis>
</taxonomicName>
); dorsal-fin origin at a vertical through the centrum of the 21 
<superScript id="56DBEB242E136E11D11DDF6B867CE72D">st</superScript>
or 22 
<superScript id="AFB899CA5B4E8D1FF6E991A1AC1A9C07">nd</superScript>
vertebra (vs. 19 
<superScript id="D16D45F4C610CE74A068DBB697ADEE79">th</superScript>
or 20 
<superScript id="4AA7B4875C481F110877CDA63E1C5FBF">th</superScript>
in 
<taxonomicName id="CD1EE15942CDD82FB1DBDA6725027927" baseAuthorityName="Wosiacki &amp; de Pinna" baseAuthorityYear="2008" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="crassicaudata">
<emphasis id="B4E92869B8DCAB6469CDC605B3926DE5" italics="true">C. crassicaudata</emphasis>
</taxonomicName>
, 
<taxonomicName id="67ECA98D0710659E6B87A1E22C9B5154" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="mboycy">
<emphasis id="9A3D301AB611479BC3E9A90752768187" italics="true">C. mboycy</emphasis>
</taxonomicName>
, and 
<taxonomicName id="A188DAD1FD91182A4D161CAFDB904179" authorityName="" baseAuthorityName="Miranda Ribeiro" baseAuthorityYear="1968" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="stawiarski">
<emphasis id="A63AFE4872A30A6998F99DDD82973159" italics="true">C. stawiarski</emphasis>
</taxonomicName>
); jaw teeth pointed, irregularly arranged (vs. incisiform and arranged in rows in 
<taxonomicName id="EC8E37E1BF2D40E9B1F9F91C6A9B1C00" baseAuthorityName="Haseman" baseAuthorityYear="1911" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="davisi">
<emphasis id="8AEEA0450D22BA02A966D477FC306AF0" italics="true">C. davisi</emphasis>
</taxonomicName>
); and 39 vertebrae (
<quantity id="8145DF63EACAE0FE10DA1DC66FB62DEB" metricMagnitude="-1" metricUnit="m" metricValue="9.144" unit="in" value="36.0">36 in</quantity>
<taxonomicName id="0A31A37DC05987BA65D1587ECF01F02D" baseAuthorityName="Wosiacki &amp; Garavello" baseAuthorityYear="2004" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="taroba">
<emphasis id="7EDBAB5DFA777146AB6A3E5B38985641" italics="true">C. taroba</emphasis>
</taxonomicName>
). Molecular diagnosis: 10 nucleotide substitutions, two of them unique among taxa analysed *: 
<abbrev id="ABBRID0EOEDI" xlink_title="cytochrome c oxidase I">COX 1</abbrev>
105 (G → A), 
<abbrev id="ABBRID0ESEDI" xlink_title="cytochrome c oxidase I">COX 1</abbrev>
252 (G → A), 
<abbrev id="ABBRID0EWEDI" xlink_title="cytochrome c oxidase I">COX 1</abbrev>
360 (G → A), 
<abbrev id="ABBRID0E1EDI" xlink_title="cytochrome c oxidase I">COX 1</abbrev>
462 (T → G) *, 
<abbrev id="ABBRID0E5EDI" xlink_title="cytochrome c oxidase I">COX 1</abbrev>
534 (G → A), 
<abbrev id="ABBRID0ECFDI" xlink_title="genes cytochrome b">CYTB</abbrev>
69 (A → G) *, 
<abbrev id="ABBRID0EGFDI" xlink_title="genes cytochrome b">CYTB</abbrev>
195 (T → C), 
<abbrev id="ABBRID0EKFDI" xlink_title="genes cytochrome b">CYTB</abbrev>
219 (T → C), 
<abbrev id="ABBRID0EOFDI" xlink_title="genes cytochrome b">CYTB</abbrev>
483 (A → G), 
<abbrev id="ABBRID0ESFDI" xlink_title="genes cytochrome b">CYTB</abbrev>
637 (G → A). 
<abbrev id="ABBRID0EWFDI" xlink_title="cytochrome c oxidase I">COX 1</abbrev>
p-distances among congeners of the 
<taxonomicName id="988C7C3848458E262EC734D482D93418" authorityName="Katz, Barbosa, Mattos &amp; Costa" authorityYear="2018" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="genus">
<emphasis id="D14622317A7CCC2462229103BC429CC7" italics="true">Cambeva</emphasis>
</taxonomicName>
beta-clade ranging from 1.2 (
<taxonomicName id="FDB7FE58A2FF915D4DAB0C849E89751B" authority="Costa, Feltrin &amp; Katz" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="atrobrunnea" status="sp. nov.">
<emphasis id="4C47D043D50C3368AC5F220C3B9C2124" italics="true">Cambeva atrobrunnea</emphasis>
Costa, Feltrin &amp; Katz
</taxonomicName>
, 
<taxonomicNameLabel id="55B0E2BF9693F13C9AA6FE0210AA4379" rank="species">sp. nov.</taxonomicNameLabel>
, 
<taxonomicName id="CFB82A018EF3C38B7745E5E0C3535806" authority="(Bizerril, 1994)" baseAuthorityName="Bizerril" baseAuthorityYear="1994" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="cubataonis">
<emphasis id="B8FA4C5EFC6938D006BD1C77BC8F6A42" italics="true">Cambeva cubataonis</emphasis>
(Bizerril, 1994)
</taxonomicName>
, and 
<taxonomicName id="9DFC9FF941EAD4A96728C144425D944D" authority="Costa, Feltrin &amp; Katz, 2022" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2022" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="ventropapillata">
<emphasis id="653B626B657E473B13B62EB280BC964E" italics="true">Cambeva ventropapillata</emphasis>
Costa, Feltrin &amp; Katz, 2022
</taxonomicName>
) and 4.7.
</paragraph>
<caption id="F932C52CFF56963AEBFA092EAD38581B" ID-arpha="3CD5DC10-88A4-5AD9-A9DC-AA5B17271DE1" httpUri="https://binary.pensoft.net/fig/1131392" startId="F10">
<paragraph id="C1D0A6BAD6DBDBD7A6A66ED117BE505B">
<label id="85382704F76C6BEED5E10B3654F33D24">Figure 10.</label>
</paragraph>
<paragraph id="01A46722BE05932731C9C31B6516BCAB">
<taxonomicName id="1C3C4EFD388DB75AA3956C543C56D10A" authority="Costa, Feltrin &amp; Katz" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna" status="sp. nov.">
<emphasis id="2B53371AC66A5085CE7D8DA5A5991E62" italics="true">Cambeva rotundipinna</emphasis>
Costa, Feltrin &amp; Katz
</taxonomicName>
, 
<taxonomicNameLabel id="CBAFC5630EB019D183F1D47710006AF5" rank="species">sp. nov.</taxonomicNameLabel>
, holotype, 
<specimenCode id="EB973C90306D381580BC1ABE5B131C36">
<named-content id="9F69F5931A5F98F6F37A0F7C2B1AC4EB" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/universidade-federal-rural-do-rio-de-janeiro" xlink_title="Instituto de Biologia, Universidade Federal do Rio de Janeiro">UFRJ</named-content>
14070
</specimenCode>
, 78.0 mm SL. 
<emphasis id="031F0D58E83FD38517B45194B3EF1C8C" bold="true">A.</emphasis>
Lateral view; 
<emphasis id="CD5038DD4D93E875C1E0E0C876E385F9" bold="true">B.</emphasis>
Dorsal view; 
<emphasis id="F027A2D66831F82D147B31FF410B5134" bold="true">C.</emphasis>
Ventral view.
</paragraph>
</caption>
<caption id="764DCA51A17C7B0A8C1A7C68C4E56E82" ID-arpha="133BBF76-37FC-5636-B13C-3224A8603ECD" httpUri="https://binary.pensoft.net/fig/1131393" startId="F11">
<paragraph id="22794C104B99C28A555C920DBA6B3780">
<label id="649F0ED37BF34C8D0A43C01653DA82C2">Figure 11.</label>
</paragraph>
<paragraph id="CB49A42F90001F2D9127A62F379CFB79">
<taxonomicName id="B8613FE75C5843E69677DD48E392702F" authority="Costa, Feltrin &amp; Katz" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna" status="sp. nov.">
<emphasis id="1E58FB67E506861C61DAAEFB263A5489" italics="true">Cambeva rotundipinna</emphasis>
Costa, Feltrin &amp; Katz
</taxonomicName>
, 
<taxonomicNameLabel id="1204698A596A050CE821F07EAA0887B4" rank="species">sp. nov.</taxonomicNameLabel>
, paratype, 
<specimenCode id="560B0B1CD6576B2871DA8989AD2FD461">
<named-content id="D6F5D8D699BF6588BB6AE98C84B3F9FD" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/universidade-federal-rural-do-rio-de-janeiro" xlink_title="Instituto de Biologia, Universidade Federal do Rio de Janeiro">UFRJ</named-content>
13820
</specimenCode>
, 44.0 mm SL. 
<emphasis id="67ACA9FB5DDEDC55955DBB7B2491DA40" bold="true">A.</emphasis>
Lateral view; 
<emphasis id="E43500A37CB9F641E336B0EDCCE7430B" bold="true">B.</emphasis>
Dorsal view; 
<emphasis id="93ED64631B00880472D5805A9795AC45" bold="true">C.</emphasis>
Ventral view.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EGJDI" type="description">
<paragraph id="E0230C550DECEA35522E351D9CBEB8A8">
<heading id="0883F19A44C19F002545BE931F245E62" reason="title">Description.</heading>
</paragraph>
<paragraph id="B78E6F0F0B9D3D95868D65C26B24B793">
Morphometric data appear in Table 
<tableCitation id="305E7A33B0B94283E15A342332B74F2C" captionStart="Table 6" captionStartId="T6" captionText="Table 6. Morphometric data of Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov." httpUri="http://table.plazi.org/id/A597E4A5185581168849161A4D978E9A" tableUuid="A597E4A5185581168849161A4D978E9A">6</tableCitation>
.
</paragraph>
<caption id="A597E4A5185581168849161A4D978E9A" ID-Table-UUID="A597E4A5185581168849161A4D978E9A" httpUri="http://table.plazi.org/id/A597E4A5185581168849161A4D978E9A" startId="T6" targetIsTable="true">
<paragraph id="29A09ABFD3C6769DAC92CC3CE4A2884F">
<label id="0AE62B5297AF62F32FF68E2555256E65">Table 6.</label>
</paragraph>
<paragraph id="B2C929CB05A8EC9F0741F7550EE93F29">
Morphometric data of 
<taxonomicName id="E157DB501475997DB24201EEA9DD3F02" authority="Costa, Feltrin &amp; Katz" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna" status="sp. nov.">
<emphasis id="5C594C29DC809C3DB3509F51A3426888" italics="true">Cambeva rotundipinna</emphasis>
Costa, Feltrin &amp; Katz
</taxonomicName>
, 
<taxonomicNameLabel id="C8CA051E261D6D5705619C4CD51612E4" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</caption>
<paragraph id="590A6C8F3576A9254A4B8775B850581B">
<table id="TID0EBIDI" rules="all">
<tbody id="2368AD1D761D3A889409AEA84693AEBA">
<tr id="2B46D081A20D1015DFA414DC70542B43">
<th id="5A17CA60540CF49F98CB4F95D5F8D472" colspan="1" isEmpty="true" rowspan="1">-</th>
<th id="4771E7EB189B67D1A6502DDE07978DC7" colspan="1" rowspan="1">Holotype</th>
<th id="59295E7A8849879F5DDC08D25ABB4084" colspan="1" rowspan="1">Paratypes (n = 3)</th>
</tr>
<tr id="3B7CF1E9D6C6CD74E5BAD8A6E84F3062">
<td id="D0A227878A3FB5F6EEA3EEE779663D19" colspan="1" rowspan="1">Standard length (SL)</td>
<td id="8EF6CE136A011C713B2CE4852A240815" colspan="1" rowspan="1">78.0</td>
<td id="CF84D2CBCAE11D469E2FF8AF03E12B8E" colspan="1" rowspan="1">44.4–76.3</td>
</tr>
<tr id="07FC4580C48D4D8673F5D449BD67D923">
<td id="21B75A8CB430F28E3459F629538F0536" colspan="3" rowspan="1">
<emphasis id="56CCC52BC273B4E880F1E896A84DB5E4" bold="true">Percentage of standard length</emphasis>
</td>
</tr>
<tr id="22D16827588CEB8D98A4BC838C05752A">
<td id="5F1AB7754558FDA1F30A920B5AF754E9" colspan="1" rowspan="1">Body depth</td>
<td id="83CF1C54F8DEB2C1A30476612A681B48" colspan="1" rowspan="1">15.1</td>
<td id="ABD15F1448CEE064C3B0D375EE23F4CF" colspan="1" rowspan="1">14.5–15.6</td>
</tr>
<tr id="592E62BDB4B6DD448187612B69F2C458">
<td id="8270D229FDEBC950D343E8E7090D0059" colspan="1" rowspan="1">Caudal peduncle depth</td>
<td id="3A438EA5ACF41BDF5BB8F361D78E9B91" colspan="1" rowspan="1">12.1</td>
<td id="09D8C29AA7B12841422B92EFCA1F5062" colspan="1" rowspan="1">11.9–13.0</td>
</tr>
<tr id="7FAE5C61230CDF93F4F133A236F7340D">
<td id="52E8E7CB20883D9D695E65DE4AB54B28" colspan="1" rowspan="1">Body width</td>
<td id="E24249D0A0BF5821CABF29D3B55A2F61" colspan="1" rowspan="1">12.0</td>
<td id="010BAD135D58911D9BB4BF70442ABADC" colspan="1" rowspan="1">12.2–13.3</td>
</tr>
<tr id="D1ACF1D06B377CDBFE79485C9B634657">
<td id="0AB897881AA74EC1C0BB13BBE9FF418F" colspan="1" rowspan="1">Caudal peduncle width</td>
<td id="07047620B7B6EA0B80CB47D5BA316A1E" colspan="1" rowspan="1">4.1</td>
<td id="7BD876D7AC1DFCDC4F7EB183E97C0404" colspan="1" rowspan="1">3.7–4.9</td>
</tr>
<tr id="68F0241204C2D7A3D9244223153426FC">
<td id="A1A7214D71A77C7344C7E09AAAB9050C" colspan="1" rowspan="1">Pre-dorsal length</td>
<td id="D6A5C1FA7F7A86476FCB003A01F0A6B4" colspan="1" rowspan="1">64.6</td>
<td id="CEC0DC8DF1C8CB56D63DFF8B1E33840C" colspan="1" rowspan="1">65.3–69.7</td>
</tr>
<tr id="9EB6E5109946A22C65EA68AFD1FBC931">
<td id="30A8426B6E25BAF7C1C0F854FCDB7EA5" colspan="1" rowspan="1">Pre-pelvic length</td>
<td id="47908F49B453C6EA119CE2C22F1C007E" colspan="1" rowspan="1">57.2</td>
<td id="19276407745A384F7AE7126053F645B8" colspan="1" rowspan="1">59.9–60.9</td>
</tr>
<tr id="80547A9CCE867884C658BCAC84E65C54">
<td id="929E0AE32B8F6E5AC00D5C34C4BCEEFF" colspan="1" rowspan="1">Dorsal-fin base length</td>
<td id="1D494189C787D5D96949D7F10BD8B7F3" colspan="1" rowspan="1">11.5</td>
<td id="16B60C1D03B95152C545022C3114207F" colspan="1" rowspan="1">11.4–12.2</td>
</tr>
<tr id="92771B4A95232AFF5BB12784790E9FE4">
<td id="390A8B6521A5302E74867A4460AAE034" colspan="1" rowspan="1">Anal-fin base length</td>
<td id="C64D0589EA06E91CC451A018FB70DD58" colspan="1" rowspan="1">8.2</td>
<td id="78F402C31232BEAAA23FA5D28F977BB3" colspan="1" rowspan="1">8.2–9.1</td>
</tr>
<tr id="E638AEAA0C988CF344E901D7476DA3B1">
<td id="06C8D7FF57B2C1216B8841EF88362FC3" colspan="1" rowspan="1">Caudal-fin length</td>
<td id="15A71FB4B27522F517941B887C630773" colspan="1" rowspan="1">14.0</td>
<td id="0C25B296C4AC97BA5187BDBC5E27DCF0" colspan="1" rowspan="1">14.8–16.6</td>
</tr>
<tr id="42DCEB66B148F15401ACC52A68BF903F">
<td id="A7A3A72F101BFB3288429C6918135D77" colspan="1" rowspan="1">Pectoral-fin length</td>
<td id="A746F60597245E1A13FBCE05B7FEB3BD" colspan="1" rowspan="1">9.4</td>
<td id="FCB1645D190B5739789AC16E57425276" colspan="1" rowspan="1">9.6–12.6</td>
</tr>
<tr id="F2DB4D1F8B3B70954573A38297DF08D7">
<td id="E757FF603FD94E93D677B42215B10C5A" colspan="1" rowspan="1">Pelvic-fin length</td>
<td id="71E85B65A4BBC01C16610B502B6D8ADF" colspan="1" rowspan="1">8.2</td>
<td id="AB615DB9EE4189609CE76A39612E0FA7" colspan="1" rowspan="1">8.4–9.4</td>
</tr>
<tr id="0E1DD70ED8C1F1A43EAE70059FA31780">
<td id="6942010C24B423D5C41CD8FE4A0C1D4C" colspan="1" rowspan="1">Head length</td>
<td id="8F89F9CF5F89C3ACD227CF7A0FD506DE" colspan="1" rowspan="1">19.9</td>
<td id="009BB14D611A7BA1DDDA3C036B207FD2" colspan="1" rowspan="1">21.6–25.9</td>
</tr>
<tr id="FBB016E5F9A65EDBCBFF3CB1EDC5E211">
<td id="6169CA336CD3EA2AC20FB96D25E7D4A0" colspan="3" rowspan="1">
<emphasis id="CD852312C7C02ED86397C8234E8BBD99" bold="true">Percentage of head length</emphasis>
</td>
</tr>
<tr id="A5286060DD34DF8F8B5A413215D58DD6">
<td id="1DDA364F1BD9B5115E116052CA055CC0" colspan="1" rowspan="1">Head depth</td>
<td id="E03878A3EC51239D6337AC2D0BB002FF" colspan="1" rowspan="1">50.7</td>
<td id="876E36AB2344DD211B0CCBDB99DA8434" colspan="1" rowspan="1">40.7–52.7</td>
</tr>
<tr id="8F53D5181B5139E0BB7266B33F7EAA93">
<td id="E776BA8760441CB5A9457D18BF651E76" colspan="1" rowspan="1">Head width</td>
<td id="41667FA52D64E8E4869F34990AA1B339" colspan="1" rowspan="1">85.3</td>
<td id="2B76CAD53EFA7911AFA41D2A24102A49" colspan="1" rowspan="1">68.6–80.1</td>
</tr>
<tr id="87C851A8C1BE51C9C78DA9585B32600D">
<td id="D821B24B8CA071655B67BBFE738F2596" colspan="1" rowspan="1">Snout length</td>
<td id="292DFB44EFF1C8F21802E30186123DFB" colspan="1" rowspan="1">39.6</td>
<td id="1F538FEFE9B31164D05663CA647A28C2" colspan="1" rowspan="1">35.6–41.6</td>
</tr>
<tr id="8429DC6D410465935786D26A69761E4F">
<td id="758AD12778BE7D104DC19A9551AFE512" colspan="1" rowspan="1">Interorbital width</td>
<td id="F58F19C0000DFEC5E0C08074B2DEA913" colspan="1" rowspan="1">22.2</td>
<td id="CA215DD7A31CB6196916D679B71D1DB5" colspan="1" rowspan="1">18.7–23.7</td>
</tr>
<tr id="94861471C2E81FE3104D703EF31B2A71">
<td id="3797F25F68FAACDEC6EADC3A13A62107" colspan="1" rowspan="1">Preorbital length</td>
<td id="2C5808F2DAAAB761A976EEA136086867" colspan="1" rowspan="1">13.8</td>
<td id="7CD3AA847174D11197760E7C0B047FF0" colspan="1" rowspan="1">9.5–13.3</td>
</tr>
<tr id="8DE46ED5E47018B478BE588D393D160D">
<td id="DEC42E6699E6575344CC47B9F681D9E1" colspan="1" rowspan="1">Eye diameter</td>
<td id="9E0378B17058EADCFE8DC5992839530A" colspan="1" rowspan="1">8.3</td>
<td id="66FA9B7AEAEBD5B97B540FF9F25D295D" colspan="1" rowspan="1">7.9–10.2</td>
</tr>
</tbody>
</table>
</paragraph>
<paragraph id="F3F93746107DE03B0E6D8A6350C61286">
<emphasis id="3EFDE7B4F9A7D25F8F978E08FC197DB5" bold="true">
<emphasis id="E68296C8E084A4F02ADC5428C98EBD9D" bold="true" italics="true">Head morphology</emphasis>
.
</emphasis>
Barbels moderate in length. Nasal barbel reaching area just posterior to orbit, maxillary and rictal barbels reaching middle of interopercular patch of odontodes. Jaw teeth with pointed to rounded extremities, irregularly arranged. Premaxillary teeth 37 or 38, dentary teeth 32–35 Opercular and interopercular odontodes pointed, about straight. Opercular odontodes 14–17, interopercular odontodes 30–34.
</paragraph>
<paragraph id="0223866E515E42171C88E3AB271CC060">
<emphasis id="C4079E2E9213F3B441352F6EF41905BF" bold="true">
<emphasis id="DCB92246D76AD27D44F8CD3F9DE64593" bold="true" italics="true">Fin morphology</emphasis>
.
</emphasis>
Fins rounded. Total dorsal-fin rays 11 (ii + II + 7), total anal-fin rays 9 (ii + II + 5). Anal-fin origin at vertical through posterior portion of dorsal-fin base, at base of 6 
<superScript id="E1CD9E8F9F167EE97A38F9CB438997C4">th</superScript>
branched dorsal-fin ray in specimens above about 
<quantity id="77C22A8FA9B306D34CA78EE3FDF5693D" metricMagnitude="-2" metricUnit="m" metricValue="5.0" unit="mm" value="50.0">50 mm</quantity>
SL, at vertical through posterior middle of dorsal-fin base, at base of 4 
<superScript id="F29FA4C1C7321B8CB716A11B5B01E25D">th</superScript>
branched dorsal-fin ray in smaller specimens. Pectoral fin rounded in dorsal view, first pectoral-fin ray about equal in length to second ray, not forming terminal filament. Total pectoral-fin rays 7 (I + 6). Pelvic fin rounded, its tip reaching vertical through middle of dorsal-fin base. Total pelvic-fin rays 5 (I + 4). Caudal fin subtruncate, corners rounded. Total principal caudal-fin rays 13 (I + 11 + I), total dorsal procurrent rays 15–17 (xiv – xvi + I), total ventral procurrent rays 10 or 11 (ix – x + I).
</paragraph>
<paragraph id="D59A3404918B61561E8C871F3617A393">
<emphasis id="77C9A240A3D2F9D518B5604213D69C70" bold="true">
<emphasis id="7980C2186C3D993B7CEA753DF269FBF8" bold="true" italics="true">Osteology</emphasis>
(Fig. 
<figureCitation id="005C072FAB901F29BE1B68AFC5C685D8" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Osteological structures of: A – C. Cambeva galactica Costa, Feltrin &amp; Katz, sp. nov.; D – F. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov.; G – I. Cambeva luteoreticulata Costa, Feltrin &amp; Katz, sp. nov., and J – L. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov. A, D, G, J. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view; B, E, H, K. Left jaw suspensorium and opercular series, lateral view. C, F, I, L. Parurohyal, ventral view. Abbreviation of structure indicated by arrow: aes, anteromedial expansion of sesamoid supraorbital. Larger stippling represents cartilaginous areas." httpUri="https://binary.pensoft.net/fig/1131386">4 J – L</figureCitation>
).
</emphasis>
Mesethmoid broad anteriorly, with small lateral expansion in area just anterior to lateral ethmoid. Anterior mesethmoid margin convex, mesethmoid cornu broad, subtriangular, slightly curved posteriorly, abruptly narrowing at its extremity. Lateral ethmoid with small lateral projection immediately posterior to articular facet for autopalatine. Lacrimal thin, elliptical. Sesamoid supraorbital length about two times longer than lacrimal, without lateral expansions, its width about equal to lacrimal width. Premaxilla long, laterally narrowing, slightly curved. Maxilla slender, slightly curved, its length about four fifths of premaxilla, posterior process rudimentary. Autopalatine sub-trapezoidal in dorsal view, broad, its largest width about equal to its length, medial margin deeply sinuous with pronounced expansion on posterior margin, lateral margin weakly concave. Autopalatine postero-lateral process triangular, short, its length about half autopalatine length.
</paragraph>
<paragraph id="AC4AB817F262825134370F0120E11A19">Metapterygoid sub-trapezoidal, longer than deep, relatively large, its surface greater than quadrate lateral surface. Area anterior to articulation between metapterygoid and quadrate with small laminar overlapped expansions of both bones. Quadrate with deep anterior constriction at dorsal process base. Hyomandibula long, anterior outgrowth horizontal length slightly longer than largest horizontal metapterygoid length. Dorsal margin of hyomandibula outgrowth concave. Opercle elongate, longer than interopercle. Opercular odontode patch moderately slender, its depth about two thirds of hyomandibula articular facet length. Dorsal process of opercle short, subtriangular, its extremity pointed. Opercular articular facet for hyomandibula with dorsal, small, rounded laminar projection, articular facet for preopercle rudimentary. Interopercle moderate in length, interopercular odontode patch length about equal hyomandibula outgrowth length. Preopercle slender, with minute ventral projection.</paragraph>
<paragraph id="38B686EE9900C28A226007962E4B7E7C">
Parurohyal robust, lateral process sub-rectangular, slightly curved posteriorly, with truncate extremity. Parurohyal head with prominent anterolateral paired process. Parurohyal middle foramen relatively large, oval. Parurohyal posterior process short, about one third of distance between anterior margin of parurohyal and anterior insertion of posterior process. Branchiostegal rays 8 or 9. Vertebrae 39. Ribs 14 or 15. Dorsal-fin origin at vertical through centrum of 21 
<superScript id="D0410AA6F6961ABDC584A809AF1D5D7B">st</superScript>
or 22 
<superScript id="9676926C8C9134806C001EFA512AF86D">nd</superScript>
vertebra; anal-fin origin at vertical through centrum of 25 
<superScript id="6591CC3729F9AC9AC308A401F96B070C">th</superScript>
or 26 
<superScript id="B9780BCED7101CAA3341001F40F1F1A6">th</superScript>
vertebra. Two dorsal and single ventral hypural plate.
</paragraph>
<paragraph id="92B5A21E2CEF55AFA808B0B69E549DD0">
<emphasis id="3FDAF716CFFC0AF1EC5D79F43ED9EBEC" bold="true">
<emphasis id="DEC5188ED50EF777BF3EB514040B6796" bold="true" italics="true">Colouration in alcohol</emphasis>
.
</emphasis>
In adult specimens, above about 
<quantity id="C9C76030D85FBA171482941C217DD811" metricMagnitude="-2" metricUnit="m" metricValue="5.0" unit="mm" value="50.0">50 mm</quantity>
SL (Fig. 
<figureCitation id="F0E22A13276C69BFF599F1216DFA4FEA" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov., holotype, UFRJ 14070, 78.0 mm SL. A. Lateral view; B. Dorsal view; C. Ventral view." httpUri="https://binary.pensoft.net/fig/1131392">10</figureCitation>
), flank, dorsum and head side light brownish yellow, with great concentration of small dark brown to black dots. Venter and ventral surface of head pale yellow, with minute dark brown dots in area just anterior to pelvic fin and on branchiostegal region. Nasal and maxillary barbels brown, rictal barbel brownish white. Fins hyaline; dark chromatophores scattered over all fins, except pelvic fin. In juvenile specimens about 
<quantity id="CCD672269DBDAF04E26EE7253F8455E0" metricMagnitude="-2" metricUnit="m" metricValue="4.0" unit="mm" value="40.0">40 mm</quantity>
SL or less (Fig. 
<figureCitation id="02A5BD06BBC4D2EDC5144C027A4C0821" captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov., paratype, UFRJ 13820, 44.0 mm SL. A. Lateral view; B. Dorsal view; C. Ventral view." httpUri="https://binary.pensoft.net/fig/1131393">11</figureCitation>
), flank, dorsum and head side light brownish yellow with small black dots irregularly arranged.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EVSDI" type="distribution">
<paragraph id="51C709AEC4EB74F13426EEAFF3D4FDF9">
<heading id="2EA7BC6CB26D66CBA267BBA456DE9A07" reason="title">Distribution.</heading>
</paragraph>
<paragraph id="D454AE1A78E8EB7B5E191D093AB2C4CD">
<taxonomicName id="0936EC554B0F0273FCA8FBE90B6358D6" authorityName="Costa, Feltrin &amp; Katz" authorityYear="2024" family="Trichomycteridae" genus="Cambeva" higherTaxonomySource="GBIF" kingdom="Animalia" order="Siluriformes" phylum="Chordata" rank="species" species="rotundipinna">
<emphasis id="ACDF747412DB25206B21EE75FB56B170" italics="true">Cambeva rotundipinna</emphasis>
</taxonomicName>
is known from two close localities in the Rio da Paca, a tributary of the Rio Jangada, Rio Iguaçu drainage, Rio 
<collectingRegion id="FE9C90C2AB766233F4EA455FF42B7AEE" country="Brazil" name="Parana">Paraná</collectingRegion>
basin, at about 
<quantity id="5D6E8CACCB9B16E17AFD7F14926AE962" metricMagnitude="3" metricUnit="m" metricValue="1.0" unit="m" value="1000.0">1000 m</quantity>
asl (Fig. 
<figureCitation id="CCE5854C48231098122573408D0035ED" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Geographical distribution of four new species of Cambeva from the Rio Iguaçu drainage, Serra do Espigão, southern Brazil: 1. Cambeva galactica Costa, Feltrin &amp; Katz, sp. nov.; 2. Cambeva atrobrunnea Costa, Feltrin &amp; Katz, sp. nov.; 3. Cambeva luteoreticulata Costa, Feltrin &amp; Katz, sp. nov.; 4. Cambeva rotundipinna Costa, Feltrin &amp; Katz, sp. nov." httpUri="https://binary.pensoft.net/fig/1131387">5</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EKTDI" type="etymology">
<paragraph id="C4B33FAB7E59E8CCE7407F498829670D">
<heading id="4F778B641E73AB4937C42551B5602D13" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="4D25DE427E449C8124B0AAA7D7E3DB27">From the Latin rotundus (rounded) and pinna (fin or wing), an allusion to the rounded fins of this new species.</paragraph>
</subSubSection>
</treatment>
</document>