treatments-xml/data/03/A4/B7/03A4B7166758D05CFF5BFF3DA826B69F.xml

<document id="379B12D13038F13340F34DB56371A1F3" ID-CLB-Dataset="7052" ID-DOI="10.11646/zootaxa.4965.1.4" ID-GBIF-Dataset="abcf7f75-3b3a-41c3-a712-68d9d0f92fad" ID-ISSN="1175-5326" ID-Zenodo-Dep="4723178" ID-ZooBank="5D45259F-3270-45A5-B7EE-0EF40E710C85" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1619522257262" checkinUser="plazi" docAuthor="Volcan, Matheus Vieira, Barbosa, Crislaine, Robe, Lizandra Jaqueline &amp; Lanés, Luis Esteban Krause" docDate="2021" docId="03A4B7166758D05CFF5BFF3DA826B69F" docLanguage="en" docName="zootaxa.4965.1.4.pdf" docOrigin="Zootaxa 4965 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Austrolebias cheffei Volcan &amp; Barbosa &amp; Robe &amp; Lanés 2021, new species" docType="treatment" docVersion="8" lastPageNumber="95" masterDocId="FF9DCF6E675BD054FFCCFFE2AB1BB36F" masterDocTitle="Molecular phylogeny of the Austrolebias adloffi group (Cyprinodontiformes Rivulidae), with description of two new endangered and highly endemic species of annual killifishes from the Laguna dos Patos system, southern Brazil" masterLastPageNumber="113" masterPageNumber="87" pageNumber="90" updateTime="1698937670776" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="EF2FEFCB4BEF53FCE51056F4BDEBB3FD">Molecular phylogeny of the Austrolebias adloffi group (Cyprinodontiformes Rivulidae), with description of two new endangered and highly endemic species of annual killifishes from the Laguna dos Patos system, southern Brazil</mods:title>
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<mods:namePart id="E7BB0D36A3ECF23198F330BA9CA0AFE7">Volcan, Matheus Vieira</mods:namePart>
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<mods:affiliation id="704221480F2DE1189E04DCB872ADD825">Instituto Pró-Pampa (IPPampa), Laboratório de Ictiologia. Rua Uruguay, 1242, Bairro Centro, CEP 96010 - 630, Pelotas, Rio Grande do Sul, Brasil. &amp; matheusvolcan @ hotmail. com; http: // orcid. org / 0000 - 0001 - 5846 - 3786</mods:affiliation>
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<mods:namePart id="21591B5644A06C5377103798837306D8">Barbosa, Crislaine</mods:namePart>
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<mods:affiliation id="2999B4A21781711DB7F91A7EDC2A118B">Universidade Federal do Rio Grande, Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais. Av. Itália, Km 8, CEP 96203 - 900, Rio Grande, Rio Grande do Sul, Brasil. &amp; cris _ barbosa 95 @ hotmail. com; https: // orcid. org / 0000 - 0002 - 9503 - 1701</mods:affiliation>
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<mods:namePart id="5A7D3BEA08A0833A529C617044B327C9">Robe, Lizandra Jaqueline</mods:namePart>
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<mods:affiliation id="0114F0B8D05ED97F7BA4BA06D209D175">Universidade Federal do Rio Grande, Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais. Av. Itália, Km 8, CEP 96203 - 900, Rio Grande, Rio Grande do Sul, Brasil. &amp; Universidade Federal de Santa Maria, Departamento de Ecologia e Evolução (DEE), Centro de Ciências Naturais e Exatas (CCNE). Av. Roraima, 1000, Bairro Camobi, CEP 97105 - 900, Santa Maria, Rio Grande do Sul, Brasil. &amp; lizbiogen @ gmail. com; https: // orcid. org / 0000 - 0001 - 8506 - 9143</mods:affiliation>
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<mods:namePart id="A8098ACB4866B4E8442D015DD27880EC">Lanés, Luis Esteban Krause</mods:namePart>
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<mods:affiliation id="B44BBA1D9D1B3DF743219906274F74B4">Instituto Pró-Pampa (IPPampa), Laboratório de Ictiologia. Rua Uruguay, 1242, Bairro Centro, CEP 96010 - 630, Pelotas, Rio Grande do Sul, Brasil. &amp; Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Programa de Pós-Graduação em Ecologia e Evolução da Biodiversidade, Laboratório de Fisiologia da Conservação. Av. Ipiranga, 6681, Bairro Partenon, CEP 90619 - 900, Porto Alegre, Rio Grande do Sul, Brasil. &amp; lelanes @ gmail. com; https: // orcid. org / 0000 - 0001 - 5295 - 3733</mods:affiliation>
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<emphasis id="B979DA126758D057FF5BFF3DAA8BB395" bold="true" box="[151,400,223,250]" italics="true" pageId="3" pageNumber="90">
<taxonomicName id="4C0D7D836758D057FF5BFF3DAA91B395" authority="Volcan &amp; Barbosa &amp; Robe &amp; Lanés, 2021" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[151,394,223,250]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei" status="sp. nov.">Austrolebias cheffei</taxonomicName>
,
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<taxonomicNameLabel id="A24A67696758D057FE5BFF3DA93CB396" box="[407,551,223,249]" pageId="3" pageNumber="90" rank="species">new species</taxonomicNameLabel>
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<paragraph id="8BB206006758D057FF5BFEC5AA40B2E5" blockId="3.[151,1437,295,2014]" pageId="3" pageNumber="90">
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<typeStatus id="54B6B8A26758D057FF5BFEC5AA1DB22E" box="[151,262,295,321]" pageId="3" pageNumber="90" type="holotype">Holotype</typeStatus>
.
</emphasis>
<collectionCode id="ED1C9EC56758D057FEDDFEC5AA50B22E" box="[273,331,295,321]" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="3" pageNumber="90">MCP</collectionCode>
54437, male, 
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SL, 
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, 
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, 
<collectingMunicipality id="6BD69C7A6758D057FC27FEC5AF2DB22E" box="[1003,1078,295,321]" pageId="3" pageNumber="90">Cristal</collectingMunicipality>
municipality, temporary pool in the floodplains of 
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, 
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system, 
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, 
<collectorName id="26F863D66758D057FBA9FEAEAFE0B20A" box="[1125,1275,331,358]" pageId="3" pageNumber="90">L.E.K. Lanés</collectorName>
&amp; 
<collectorName id="26F863D66758D057FAEDFEAEAE83B20A" box="[1313,1432,331,358]" pageId="3" pageNumber="90">B. Klotzel</collectorName>
, 
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<collectingDate id="EFF7D9286758D057FF5BFE8DAA4CB2E5" box="[151,343,367,394]" pageId="3" pageNumber="90" value="2015-10-28">28 October 2015</collectingDate>
</date>
.
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<paragraph id="8BB206006758D057FF0BFE71AA04B2BE" blockId="3.[151,1437,295,2014]" pageId="3" pageNumber="90">
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<typeStatus id="54B6B8A26758D057FF0BFE71AA5AB2C2" box="[199,321,403,429]" pageId="3" pageNumber="90" type="paratype">Paratypes</typeStatus>
.
</emphasis>
<collectionCode id="ED1C9EC56758D057FE80FE71AA9DB2C2" box="[332,390,403,429]" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="3" pageNumber="90">MCP</collectionCode>
54438, 
<specimenCount id="9D0BCD896758D057FE2DFE71A92DB2C2" box="[481,566,403,429]" pageId="3" pageNumber="90" type="male">6 males</specimenCount>
<quantity id="4CF5ABE56758D057FDF1FE71A9C4B2C1" box="[573,735,403,430]" metricMagnitude="-2" metricUnit="m" metricValue="2.8899999999999997" metricValueMax="3.31" metricValueMin="2.4699999999999998" pageId="3" pageNumber="90" unit="mm" value="28.9" valueMax="33.1" valueMin="24.7">24.7–33.1 mm</quantity>
SL (1 C&amp;S), 
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(1 C&amp;S), 
<quantity id="4CF5ABE56758D057FB9BFE71AFE2B2C1" box="[1111,1273,403,430]" metricMagnitude="-2" metricUnit="m" metricValue="2.975" metricValueMax="3.31" metricValueMin="2.6399999999999997" pageId="3" pageNumber="90" unit="mm" value="29.75" valueMax="33.1" valueMin="26.4">26.4–33.1 mm</quantity>
SL, same data as holotype
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.
</paragraph>
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<subSubSection id="C317558B6758D050FF0BFE39A90DB2BE" lastPageId="4" lastPageNumber="91" pageId="3" pageNumber="90" type="diagnosis">
<paragraph id="8BB206006758D057FF0BFE39AE04B4F9" blockId="3.[151,1437,295,2014]" pageId="3" pageNumber="90">
<emphasis id="B979DA126758D057FF0BFE39AA59B29A" bold="true" box="[199,322,475,501]" pageId="3" pageNumber="90">Diagnosis.</emphasis>
The new species differs from all other species of the genus except 
<taxonomicName id="4C0D7D836758D057FB85FE39AFA8B29A" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[1097,1203,475,501]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126758D057FB85FE39AFA8B29A" box="[1097,1203,475,501]" italics="true" pageId="3" pageNumber="90">A. adloffi</emphasis>
</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FB0FFE39AE25B29A" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[1219,1342,475,501]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="charrua">
<emphasis id="B979DA126758D057FB0FFE39AE25B29A" box="[1219,1342,475,501]" italics="true" pageId="3" pageNumber="90">A. charrua</emphasis>
</taxonomicName>
, 
<emphasis id="B979DA126758D057FA82FE39AA93B176" italics="true" pageId="3" pageNumber="90">
<taxonomicName id="4C0D7D836758D057FA82FE39ABE7B176" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="lourenciano">A. lourenciano</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FECBFE1DAA93B176" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[263,392,511,537]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="minuano">A. minuano</taxonomicName>
</emphasis>
, 
<taxonomicName id="4C0D7D836758D057FE5BFE1DA934B176" authorityName="Costa &amp; Cheffe" authorityYear="2006" box="[407,559,511,537]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="nachtigalli">
<emphasis id="B979DA126758D057FE5BFE1DA934B176" box="[407,559,511,537]" italics="true" pageId="3" pageNumber="90">A. nachtigalli</emphasis>
</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FDF1FE1DA9E0B176" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[573,763,511,537]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="nigrofasciatus">
<emphasis id="B979DA126758D057FDF1FE1DA9E0B176" box="[573,763,511,537]" italics="true" pageId="3" pageNumber="90">A. nigrofasciatus</emphasis>
</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FCC6FE1DA893B176" baseAuthorityName="Loureiro &amp; Garcia" baseAuthorityYear="2004" box="[778,904,511,537]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="reicherti">
<emphasis id="B979DA126758D057FCC6FE1DA893B176" box="[778,904,511,537]" italics="true" pageId="3" pageNumber="90">A. reicherti</emphasis>
</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FC5AFE1DAF3AB176" authorityName="Costa, Cheffe &amp; Amorim" authorityYear="2017" box="[918,1057,511,537]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="pelotapes">
<emphasis id="B979DA126758D057FC5AFE1DAF3AB176" box="[918,1057,511,537]" italics="true" pageId="3" pageNumber="90">A. pelotapes</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C0D7D836758D057FB94FE1DAFFCB176" box="[1112,1255,511,537]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="pongondo">
<emphasis id="B979DA126758D057FB94FE1DAFFCB176" box="[1112,1255,511,537]" italics="true" pageId="3" pageNumber="90">A. pongondo</emphasis>
</taxonomicName>
by the presence of a pair of black blotches vertically arranged on the posterior portion of the caudal peduncle in females (vs. black blotches absent in the remaining species). 
<taxonomicName id="4C0D7D836758D057FDA2FDA5A857B10E" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[622,844,583,609]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126758D057FDA2FDA5A857B10E" box="[622,844,583,609]" italics="true" pageId="3" pageNumber="90">Austrolebias cheffei</emphasis>
</taxonomicName>
is distinguished from the remaining species of the 
<taxonomicName id="4C0D7D836758D057FA48FDA5ABFBB1EA" baseAuthorityName="Ahl" baseAuthorityYear="1922" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126758D057FA48FDA5ABFBB1EA" italics="true" pageId="3" pageNumber="90">A. adloffi</emphasis>
</taxonomicName>
species group by presenting a yellowish green or yellowish blue dorsal fin with wide black bars extending from the base to the median region of the fins in males (vs. never a similar pattern); and, except from 
<emphasis id="B979DA126758D057FADAFD6DAE87B1C6" box="[1302,1436,655,681]" italics="true" pageId="3" pageNumber="90">
<taxonomicName id="4C0D7D836758D057FADAFD6DAE83B1C6" baseAuthorityName="Loureiro &amp; Garcia" baseAuthorityYear="2004" box="[1302,1432,655,681]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="reicherti">A. reicherti</taxonomicName>
,
</emphasis>
by presenting anal fin blue with 3–6 incomplete, wide black transversal bars (each bar covering 3–6 rays), limited to basal and medial anal fin regions, which consist of transversal flank bars extensions (vs. never a similar pattern); from the other species of the 
<taxonomicName id="4C0D7D836758D057FE11FD19A95EB07A" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[477,581,763,789]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126758D057FE11FD19A95EB07A" box="[477,581,763,789]" italics="true" pageId="3" pageNumber="90">A. adloffi</emphasis>
</taxonomicName>
species group, except 
<emphasis id="B979DA126758D057FC8FFD19ABE2B056" italics="true" pageId="3" pageNumber="90">
<taxonomicName id="4C0D7D836758D057FC8FFD19A8C5B07A" authorityName="Costa &amp; Cheffe" authorityYear="2006" box="[835,990,763,789]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="nachtigalli">A. nachtigalli</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FC24FD19AFB2B07A" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[1000,1193,763,789]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="nigrofasciatus">A. nigrofasciatus</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FB78FD19AE5DB07A" box="[1204,1350,763,789]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="pongondo">A. pongondo</taxonomicName>
, 
<taxonomicName id="4C0D7D836758D057FA9CFD19ABE2B056" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="lourenciano">A. lourenciano</taxonomicName>
</emphasis>
, and 
<taxonomicName id="4C0D7D836758D057FEFBFCFDAAAEB056" baseAuthorityName="Loureiro &amp; Garcia" baseAuthorityYear="2004" box="[311,437,799,825]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="reicherti">
<emphasis id="B979DA126758D057FEFBFCFDAAAEB056" box="[311,437,799,825]" italics="true" pageId="3" pageNumber="90">A. reicherti</emphasis>
</taxonomicName>
, by the presence of a black blotch on the distal portion of the last anal and dorsal fin rays bordered anteriorly by a small light blue margin (vs. black blotch absent or inconspicuous in the last anal and dorsal fin rays). 
<taxonomicName id="4C0D7D836758D057FEC8FC85AAF8B0EE" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[260,483,871,897]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126758D057FEC8FC85AAF8B0EE" box="[260,483,871,897]" italics="true" pageId="3" pageNumber="90">Austrolebias cheffei</emphasis>
</taxonomicName>
is also distinguished from all other species of the 
<taxonomicName id="4C0D7D836758D057FBD7FC85AF98B0EE" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[1051,1155,871,897]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126758D057FBD7FC85AF98B0EE" box="[1051,1155,871,897]" italics="true" pageId="3" pageNumber="90">A. adloffi</emphasis>
</taxonomicName>
species group, except 
<emphasis id="B979DA126758D057FA48FC85AA12B0CA" italics="true" pageId="3" pageNumber="90">
<taxonomicName id="4C0D7D836758D057FA48FC85AA1EB0CA" authorityName="Costa, Cheffe &amp; Amorim" authorityYear="2017" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="pelotapes">A. pelotapes</taxonomicName>
,
</emphasis>
by having the urogenital papilla attached to the anal fin in males (
<emphasis id="B979DA126758D057FC3CFC6EAF1CB0CA" box="[1008,1031,908,933]" italics="true" pageId="3" pageNumber="90">vs</emphasis>
. urogenital papilla free), and except from 
<taxonomicName id="4C0D7D836758D057FF18FC4DAA89B0A6" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[212,402,943,969]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="nigrofasciatus">
<emphasis id="B979DA126758D057FF18FC4DAA89B0A6" box="[212,402,943,969]" italics="true" pageId="3" pageNumber="90">A. nigrofasciatus</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C0D7D836758D057FE05FC4DA95CB0A6" baseAuthorityName="Loureiro &amp; Garcia" baseAuthorityYear="2004" box="[457,583,943,969]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="reicherti">
<emphasis id="B979DA126758D057FE05FC4DA95CB0A6" box="[457,583,943,969]" italics="true" pageId="3" pageNumber="90">A. reicherti</emphasis>
</taxonomicName>
by dorsal-fin origin anterior to anal-fin origin in males (vs. dorsal-fin origin posterior to anal-fin origin). In addition, the following characters are useful for distinguishing 
<taxonomicName id="4C0D7D836758D057FB04FC31AE28B082" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[1224,1331,979,1005]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126758D057FB04FC31AE28B082" box="[1224,1331,979,1005]" italics="true" pageId="3" pageNumber="90">A. cheffei</emphasis>
</taxonomicName>
from the other species of the 
<taxonomicName id="4C0D7D836758D057FE4CFC15AAF1B77E" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[384,490,1015,1041]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126758D057FE4CFC15AAF1B77E" box="[384,490,1015,1041]" italics="true" pageId="3" pageNumber="90">A. adloffi</emphasis>
</taxonomicName>
species group: from 
<taxonomicName id="4C0D7D836758D057FD13FC15A851B77E" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[735,842,1015,1041]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126758D057FD13FC15A851B77E" box="[735,842,1015,1041]" italics="true" pageId="3" pageNumber="90">A. adloffi</emphasis>
</taxonomicName>
by separated preopercular and mandibular series of neuromasts (vs. united mandibular and preopercular series), and by higher head length in females (31.1–33.5% SL, vs. 28.6–30.5% SL). 
<emphasis id="B979DA126758D057FE4EFBDDA94FB736" box="[386,596,1087,1113]" italics="true" pageId="3" pageNumber="90">
Autrolebias 
<taxonomicName id="4C0D7D836758D057FDC5FBDDA94FB736" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[521,596,1087,1113]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">cheffei</taxonomicName>
</emphasis>
differs from 
<taxonomicName id="4C0D7D836758D057FD2AFBDDA845B736" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[742,862,1087,1113]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="charrua">
<emphasis id="B979DA126758D057FD2AFBDDA845B736" box="[742,862,1087,1113]" italics="true" pageId="3" pageNumber="90">A. charrua</emphasis>
</taxonomicName>
by separated preopercular and mandibular series of neuromasts (united vs. mandibular and preopercular series), and by higher head length (31.1–33.5% SL, vs. 26.5– 30.5 % SL), and lower caudal fin rays in females (17–20 vs. 23–26). 
<emphasis id="B979DA126758D057FC5FFB65AF7DB7CE" box="[915,1126,1159,1185]" italics="true" pageId="3" pageNumber="90">
Autrolebias 
<taxonomicName id="4C0D7D836758D057FBD7FB65AF7DB7CE" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[1051,1126,1159,1185]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">cheffei</taxonomicName>
</emphasis>
differs from 
<taxonomicName id="4C0D7D836758D057FB34FB65AE87B7CE" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[1272,1436,1159,1185]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="lourenciano">
<emphasis id="B979DA126758D057FB34FB65AE87B7CE" box="[1272,1436,1159,1185]" italics="true" pageId="3" pageNumber="90">A. lourenciano</emphasis>
</taxonomicName>
by the greater number of rays in the anal fin of males (25–27 vs. 21–24). It differs from 
<taxonomicName id="4C0D7D836758D057FB48FB49AE1DB7AA" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[1156,1286,1195,1221]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="minuano">
<emphasis id="B979DA126758D057FB48FB49AE1DB7AA" box="[1156,1286,1195,1221]" italics="true" pageId="3" pageNumber="90">A. minuano</emphasis>
</taxonomicName>
by separated preopercular and mandibular series of neuromasts (vs. united mandibular and preopercular series), by higher head length (30.5–33.5 % SL, vs. 26.0–30.4 % SL) and lower head depth in males (100.0–109.3 % HL, vs 112.3–138.7 % HL), and by higher head length (31.1–33.5 % SL, vs. 27.7–30.1 % SL) and less caudal fin rays in females (17–20 vs. 21–25). 
<emphasis id="B979DA126758D057FED0FAD9AAF4B63A" box="[284,495,1339,1365]" italics="true" pageId="3" pageNumber="90">
Autrolebias 
<taxonomicName id="4C0D7D836758D057FE68FAD9AAF4B63A" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[420,495,1339,1365]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">cheffei</taxonomicName>
</emphasis>
differs from 
<taxonomicName id="4C0D7D836758D057FD4FFAD9A800B63A" authorityName="Costa &amp; Cheffe" authorityYear="2006" box="[643,795,1339,1365]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="nachtigalli">
<emphasis id="B979DA126758D057FD4FFAD9A800B63A" box="[643,795,1339,1365]" italics="true" pageId="3" pageNumber="90">A. nachtigalli</emphasis>
</taxonomicName>
by the absence of golden to pink iridescence at the distal half of dorsal fin in males (vs. presence of golden to pink iridescence in distal half of dorsal fin), by presenting a dark bluish-gray caudal fin, without dots or spots in males (vs. light blue iridescence and faint, elongated blue spots), by a higher head length (30.5–33.5% SL, vs. 26.1–29.0% SL), lower head depth (100.0–109.3% HL, vs. 113.7–132.1% HL), a lower head width in males (58.4–65.8% HL, vs. 66.6–71.4% HL), higher head length (31.1–33.5% SL, vs. 27.8–30.5% SL), and less caudal fin rays in females (17–20 vs. 21–24). It differs from 
<taxonomicName id="4C0D7D836758D057FBADFA0DAE04B566" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[1121,1311,1519,1545]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="nigrofasciatus">
<emphasis id="B979DA126758D057FBADFA0DAE04B566" box="[1121,1311,1519,1545]" italics="true" pageId="3" pageNumber="90">A. nigrofasciatus</emphasis>
</taxonomicName>
by a lower head depth in males (100.0–109.3% HL, vs. 110.6–121.6 % HL), by the absence of blue iridescence on the distal half of anal fin (vs. presence of blue iridescence on the distal half of anal fin), by presenting a greenish blue caudal fin, without dots or spots in males (vs. elongated light blue spots), and by higher head length in females (31.1–33.5% SL, vs. 27.8–30.8 % SL). It differs from 
<taxonomicName id="4C0D7D836758D057FD95F99DA9CDB5F6" baseAuthorityName="Loureiro &amp; Garcia" baseAuthorityYear="2004" box="[601,726,1663,1689]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="reicherti">
<emphasis id="B979DA126758D057FD95F99DA9CDB5F6" box="[601,726,1663,1689]" italics="true" pageId="3" pageNumber="90">A. reicherti</emphasis>
</taxonomicName>
by higher dorsal fin base length (36.0–42.6% SL, vs. 34.2–34.9 % SL) in males and by higher body depth (36.8–42.3% SL, vs. 29.5–36.1 % SL) in females. 
<emphasis id="B979DA126758D057FB0BF941AE86B5D2" box="[1223,1437,1699,1725]" italics="true" pageId="3" pageNumber="90">
Autrolebias 
<taxonomicName id="4C0D7D836758D057FA9EF941AE86B5D2" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[1362,1437,1699,1725]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">cheffei</taxonomicName>
</emphasis>
differs from 
<taxonomicName id="4C0D7D836758D057FEEEF925AAB0B58E" authorityName="Costa, Cheffe &amp; Amorim" authorityYear="2017" box="[290,427,1735,1761]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="pelotapes">
<emphasis id="B979DA126758D057FEEEF925AAB0B58E" box="[290,427,1735,1761]" italics="true" pageId="3" pageNumber="90">A. pelotapes</emphasis>
</taxonomicName>
by separated preopercular and mandibular series of neuromasts (vs. united mandibular and preopercular series), and by dorsal fin origin at vertical between pelvic fin origin and anus in females (vs. between base of 1st and 2nd rays of anal fin). 
<emphasis id="B979DA126758D057FDF0F8EDA80BB446" box="[572,784,1807,1833]" italics="true" pageId="3" pageNumber="90">
Autrolebias 
<taxonomicName id="4C0D7D836758D057FD09F8EDA80BB446" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[709,784,1807,1833]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">cheffei</taxonomicName>
</emphasis>
differs from 
<taxonomicName id="4C0D7D836758D057FC69F8EDAF2EB446" box="[933,1077,1807,1833]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="pongondo">
<emphasis id="B979DA126758D057FC69F8EDAF2EB446" box="[933,1077,1807,1833]" italics="true" pageId="3" pageNumber="90">A. pongondo</emphasis>
</taxonomicName>
by a lower head depth in males (100.0–109.3% HL, vs. 111.0–122.0% HL), higher head length (31.1–33.5% SL, vs. 27.5–30.8 % SL), lower head width (62.3–71.5% HL, vs. 73.0–81.0% HL), less caudal fin rays (17–20 vs. 22–23), and by dorsal fin origin at vertical between pelvic fin origin and anus in females (vs. between base of 1st and 3rd rays of anal fin).
</paragraph>
<paragraph id="8BB206006758D050FF0BF87DAAACB272" blockId="3.[151,1437,295,2014]" lastBlockId="4.[151,1437,151,1077]" lastPageId="4" lastPageNumber="91" pageId="3" pageNumber="90">
<taxonomicName id="4C0D7D836758D057FF0BF87DAABCB4D6" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[199,423,1951,1977]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126758D057FF0BF87DAABCB4D6" box="[199,423,1951,1977]" italics="true" pageId="3" pageNumber="90">Austrolebias cheffei</emphasis>
</taxonomicName>
is distinguished from all other species or lineages of the 
<taxonomicName id="4C0D7D836758D057FBF5F87DAFB8B4D6" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[1081,1187,1951,1977]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="3" pageNumber="90" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126758D057FBF5F87DAFB8B4D6" box="[1081,1187,1951,1977]" italics="true" pageId="3" pageNumber="90">A. adloffi</emphasis>
</taxonomicName>
species group by one unique nucleotide substitution along the cytb alignment: cytb.309 (T&gt; C) (Supporting file, 
<figureCitation id="13361A856758D057FB7EF821AE13B4B2" box="[1202,1288,1987,2013]" captionStart="FIGURE 2" captionStartId="6.[151,250,1058,1082]" captionTargetBox="[340,1247,181,1033]" captionTargetId="figure-25@6.[340,1247,181,1033]" captionTargetPageId="6" captionText="FIGURE 2. Females topotypes (not preserved) of Austrolebias cheffei, floodplain of Rio Camaquã basin, Cristal, Rio Grande do Sul, Brazil. Photo by Matheus Volcan." figureDoi="http://doi.org/10.5281/zenodo.4723182" httpUri="https://zenodo.org/record/4723182/files/figure.png" pageId="3" pageNumber="90">Fig. S2</figureCitation>
). It is distinguished from 
<taxonomicName id="4C0D7D83675FD050FEFFFF75AAFAB3DF" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[307,481,151,177]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="minuano">
<emphasis id="B979DA12675FD050FEFFFF75AA57B3DE" box="[307,332,151,177]" italics="true" pageId="4" pageNumber="91">A.</emphasis>
aff. 
<emphasis id="B979DA12675FD050FEB3FF75AAFAB3DF" box="[383,481,151,176]" italics="true" pageId="4" pageNumber="91">minuano</emphasis>
</taxonomicName>
1 by this and two other nucleotide substitutions: cytb.319 (T&gt; C) and cytb.406 (G&gt; A). In addition, it is distinguished from 
<taxonomicName id="4C0D7D83675FD050FD9CFF59A9EEB3BA" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[592,757,187,213]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="lourenciano">
<emphasis id="B979DA12675FD050FD9CFF59A9EEB3BA" box="[592,757,187,213]" italics="true" pageId="4" pageNumber="91">A. lourenciano</emphasis>
</taxonomicName>
by these three in addition to other six substitutions [cytb.133 (C&gt; A), cytb.304 (C&gt; T), cytb.319 (T&gt; C), cytb.406 (G&gt; A), cytb.457 (G&gt; T), cytb.466 (A&gt; G), cytb.586 (A&gt; G) and cytb.595 (T&gt; C)].
</paragraph>
<paragraph id="8BB20600675FD050FF0BFEC4A90DB2BE" blockId="4.[151,1437,151,1077]" pageId="4" pageNumber="91">
<emphasis id="B979DA12675FD050FF0BFEC4AA8EB22F" bold="true" box="[199,405,294,320]" pageId="4" pageNumber="91">Genetic distance.</emphasis>
From 
<taxonomicName id="4C0D7D83675FD050FE2FFEC5A98EB22F" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[483,661,295,321]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="minuano">
<emphasis id="B979DA12675FD050FE2FFEC5AAE7B22E" box="[483,508,295,321]" italics="true" pageId="4" pageNumber="91">A.</emphasis>
aff. 
<emphasis id="B979DA12675FD050FDFFFEC5A98EB22F" box="[563,661,295,320]" italics="true" pageId="4" pageNumber="91">minuano</emphasis>
</taxonomicName>
1: 1.5–2.6%; from 
<taxonomicName id="4C0D7D83675FD050FCB4FEC5AF04B22E" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[888,1055,295,321]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="lourenciano">
<emphasis id="B979DA12675FD050FCB4FEC5AF04B22E" box="[888,1055,295,321]" italics="true" pageId="4" pageNumber="91">A. lourenciano</emphasis>
</taxonomicName>
: 1.9–2.6%; from 
<taxonomicName id="4C0D7D83675FD050FB27FEC5AE87B22F" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[1259,1436,295,321]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="minuano">
<emphasis id="B979DA12675FD050FB27FEC5AE18B22E" box="[1259,1283,295,321]" italics="true" pageId="4" pageNumber="91">A.</emphasis>
aff. 
<emphasis id="B979DA12675FD050FAF6FEC5AE87B22F" box="[1338,1436,295,320]" italics="true" pageId="4" pageNumber="91">minuano</emphasis>
</taxonomicName>
2: 2.9–3.8%; from 
<emphasis id="B979DA12675FD050FEBCFEA9A946B20A" box="[368,605,331,357]" italics="true" pageId="4" pageNumber="91">
<taxonomicName id="4C0D7D83675FD050FEBCFEA9AAC2B20A" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[368,473,331,357]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" sensu="lato" species="adloffi">A. adloffi</taxonomicName>
<taxonomicNameLabel id="A24A6769675FD050FE2EFEA9A94DB20A" box="[482,598,331,357]" pageId="4" pageNumber="91" sensu="lato">sensu lato</taxonomicNameLabel>
:
</emphasis>
3.1–3.4%; from 
<taxonomicName id="4C0D7D83675FD050FCECFEA9A8ABB20A" box="[800,944,331,357]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="pongondo">
<emphasis id="B979DA12675FD050FCECFEA9A8ABB20A" box="[800,944,331,357]" italics="true" pageId="4" pageNumber="91">A. pongondo</emphasis>
</taxonomicName>
: 3.6–4.7 %; from 
<emphasis id="B979DA12675FD050FB4FFEA9AE03B20A" box="[1155,1304,331,357]" italics="true" pageId="4" pageNumber="91">
<taxonomicName id="4C0D7D83675FD050FB4FFEA9AE09B20A" authorityName="Costa, Cheffe &amp; Amorim" authorityYear="2017" box="[1155,1298,331,357]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="pelotapes">A. pelotapes</taxonomicName>
:
</emphasis>
4.5–4.9 %; from 
<taxonomicName id="4C0D7D83675FD050FF1BFE8DAA5DB2E6" authorityName="Volcan, Lanes and Goncalves" authorityYear="2014" box="[215,326,367,393]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="bagual">
<emphasis id="B979DA12675FD050FF1BFE8DAA5DB2E6" box="[215,326,367,393]" italics="true" pageId="4" pageNumber="91">A. bagual</emphasis>
</taxonomicName>
: 6.2–6.8%; from 
<emphasis id="B979DA12675FD050FDDFFE8DA9C6B2E6" box="[531,733,367,393]" italics="true" pageId="4" pageNumber="91">
<taxonomicName id="4C0D7D83675FD050FDDFFE8DA9CDB2E6" authorityName="Costa &amp; Cheffe" authorityYear="2001" box="[531,726,367,393]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="nigrofasciatus">A. nigrofasciatus</taxonomicName>
:
</emphasis>
7.5–9.4%; from 
<emphasis id="B979DA12675FD050FC6EFE8DAFA5B2E7" box="[930,1214,367,393]" italics="true" pageId="4" pageNumber="91">
<taxonomicName id="4C0D7D83675FD050FC6EFE8DAF77B2E7" box="[930,1132,367,393]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="105" phylum="Chordata" rank="subSpecies" species="minuano" subSpecies="sensu">
A. minuano 
<taxonomicNameLabel id="A24A6769675FD050FBE2FE8DAF77B2E7" box="[1070,1132,367,392]" pageId="4" pageNumber="91" sensu="stricto">sensu</taxonomicNameLabel>
</taxonomicName>
stricto
</emphasis>
: 10.4–11.2%; from other species of the 
<taxonomicName id="4C0D7D83675FD050FEBBFE71AAC4B2C2" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[375,479,403,429]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA12675FD050FEBBFE71AAC4B2C2" box="[375,479,403,429]" italics="true" pageId="4" pageNumber="91">A. adloffi</emphasis>
</taxonomicName>
species group: 10.6–20.5% (Appendix 2, 
<tableCitation id="C68F33BB675FD050FC7AFE71AF01B2C2" box="[950,1050,403,429]" captionStart="TABLE 1" captionStartId="24.[151,239,224,248]" captionText="TABLE 1S. Minimum, mean and maximum K2P distances recovered in the comparisons involving A. cheffei and A. lourenciano with each of the other species of the A. adloffi species group based on cytb sequences." pageId="4" pageNumber="91">Table 1S</tableCitation>
). Range of intraspecific distances: 0.2–0.7% (Appendix 2, 
<tableCitation id="C68F33BB675FD050FE68FE55A912B2BE" box="[420,521,439,465]" captionStart="TABLE 2" captionStartId="24.[151,239,1054,1078]" captionText="TABLE 2S. Summary of minimum, mean and maximum K2P intraspecific distances presented by A. cheffei and A. lourenciano based on cytb sequences." pageId="4" pageNumber="91">Table 2S</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C317558B675FD05CFF0BFE38AAC5B396" lastPageId="8" lastPageNumber="95" pageId="4" pageNumber="91" type="description">
<paragraph id="8BB20600675FD050FF0BFE38A9E8B1EA" blockId="4.[151,1437,151,1077]" pageId="4" pageNumber="91">
<emphasis id="B979DA12675FD050FF0BFE38AA42B29B" bold="true" box="[199,345,474,500]" pageId="4" pageNumber="91">Description.</emphasis>
Morphometric and meristic data summarized in 
<tableCitation id="C68F33BB675FD050FC40FE39A8F9B29A" box="[908,994,475,501]" captionStart="TABLE 1" captionStartId="24.[151,239,224,248]" captionText="TABLE 1S. Minimum, mean and maximum K2P distances recovered in the comparisons involving A. cheffei and A. lourenciano with each of the other species of the A. adloffi species group based on cytb sequences." pageId="4" pageNumber="91">Table 1</tableCitation>
. Largest male examined 
<quantity id="4CF5ABE5675FD050FAC9FE39AE77B29A" box="[1285,1388,475,501]" metricMagnitude="-2" metricUnit="m" metricValue="3.31" pageId="4" pageNumber="91" unit="mm" value="33.1">33.1 mm</quantity>
SL, largest female 
<quantity id="4CF5ABE5675FD050FEF1FE1DAABAB176" box="[317,417,511,537]" metricMagnitude="-2" metricUnit="m" metricValue="3.31" pageId="4" pageNumber="91" unit="mm" value="33.1">33.1 mm</quantity>
SL. Dorsal profile slightly convex from snout to end of dorsal-fin base, straight on caudal peduncle. Ventral profile convex from lower jaw to origin of anal fin base, nearly straight on caudal peduncle. Greatest body depth at dorsal fin origin in males, at pelvic fin base in females. Body deep and compressed. Eye positioned on lateral portion of head. Snout blunt and jaws short.
</paragraph>
<paragraph id="8BB20600675FD050FF0BFD6DAA42B75A" blockId="4.[151,1437,151,1077]" pageId="4" pageNumber="91">
Distal portion of dorsal fin rounded in both sexes. Dorsal-fin rays in males 22–24; in females 18–21. Dorsal-fin origin at vertical of urogenital papilla in males, at vertical of pelvic fin base or anus in females. Origin of dorsal fin at vertical through neural spines of 6th and 7th vertebrae in males, in females through neural spines of 9th and 10th vertebrae. Anal-fin rays in males 25–27, in females 21–24. Anal-fin tip rounded in males. In females, anal fin subtriangular with antero-median rays lengthened, distal portion thickened. Origin of anal fin at vertical through pleural ribs of 6th and 7th vertebrae in males, in females through pleural ribs of 9th-10th vertebrae. Caudal fin rounded, 19–22 rays in males, 
<quantity id="4CF5ABE5675FD050FE49FC85AAF3B0EE" box="[389,488,871,897]" metricMagnitude="-1" metricUnit="m" metricValue="4.699" metricValueMax="5.08" metricValueMin="4.318" pageId="4" pageNumber="91" unit="in" value="18.5" valueMax="20.0" valueMin="17.0">17–20 in</quantity>
females. Pectoral fin elliptical with 11–12 rays in males, 
<quantity id="4CF5ABE5675FD050FBA5FC85AFD7B0EE" box="[1129,1228,871,897]" metricMagnitude="-1" metricUnit="m" metricValue="2.921" metricValueMax="3.302" metricValueMin="2.54" pageId="4" pageNumber="91" unit="in" value="11.5" valueMax="13.0" valueMin="10.0">10–13 in</quantity>
females. Pectoralfin posterior tip reaching from 4th to 6th anal fin ray in males, from origin of urogenital papilla to 4th anal fin ray in females. Pelvic fin rays 5. Pelvic-fin posterior tip from 3rd to 4th anal-fin ray in males, from 2nd to 5th anal fin ray in females. Pelvic-fin medial membrane about 10–50% coalesced. Urogenital papilla cylindrical and short in males; urogenital papilla pocket-shaped in females. Urogenital papilla attached from base to 30% of its length to anal fin in males.
</paragraph>
<caption id="DF725688675FD050FF5BFB86AFBEB713" ID-Table-UUID="DF725688675FD050FF5BFB86AFBEB713" box="[151,1189,1124,1149]" httpUri="http://table.plazi.org/id/DF725688675FD050FF5BFB86AFBEB713" pageId="4" pageNumber="91" startId="4.[151,239,1124,1148]" targetBox="[166,1333,1165,1954]" targetIsTable="true" targetPageId="4">
<paragraph id="8BB20600675FD050FF5BFB86AFBEB713" blockId="4.[151,1189,1124,1149]" box="[151,1189,1124,1149]" pageId="4" pageNumber="91">
<tableNote id="76EB078E675FD050FF5BFB86AFBEB713" box="[151,1189,1124,1149]" pageId="4" pageNumber="91" targetBox="[166,1333,1165,1954]" targetPageId="4">
<emphasis id="B979DA12675FD050FF5BFB86AA1BB712" bold="true" box="[151,256,1124,1149]" pageId="4" pageNumber="91">TABLE I</emphasis>
. Morphometric and meristic data of the holotype and paratypes of 
<taxonomicName id="4C0D7D83675FD050FC07FB86AF85B713" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[971,1182,1124,1148]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="4" pageNumber="91" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA12675FD050FC07FB86AF85B713" box="[971,1182,1124,1148]" italics="true" pageId="4" pageNumber="91">Austrolebias cheffei</emphasis>
</taxonomicName>
.
</tableNote>
</paragraph>
</caption>
<paragraph id="8BB20600675FD050FDABFB6FAE05B4CE" pageId="4" pageNumber="91">
<table id="F90DF4A0675F2FABFF6AFB6FAE2EB4CD" box="[166,1333,1165,1954]" gridcols="4" gridrows="20" pageId="4" pageNumber="91">
<tr id="353D0442675F2FABFF6AFB6FAE2EB7CA" box="[166,1333,1165,1189]" gridrow="0" pageId="4" pageNumber="91" rowspan-0="1">
<th id="76EC6D3E675F2FABFDABFB6FA9DEB7CA" box="[615,709,1165,1189]" gridcol="1" gridrow="0" pageId="4" pageNumber="91">Holotype</th>
<th id="76EC6D3E675F2FABFCA7FB6FA8F2B7CA" box="[875,1001,1165,1189]" gridcol="2" gridrow="0" pageId="4" pageNumber="91">Males (n=6)</th>
<th id="76EC6D3E675F2FABFB6EFB6FAE2EB7CA" box="[1186,1333,1165,1189]" gridcol="3" gridrow="0" pageId="4" pageNumber="91">Females (n=7)</th>
</tr>
<tr id="353D0442675F2FABFF6AFB57AE2EB7A2" box="[166,1333,1205,1229]" gridrow="1" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFB57AE2EB7A2" box="[166,1333,1205,1229]" colspan="4" colspanRight="3" gridcol="0" gridrow="1" pageId="4" pageNumber="91">Morphometric data</th>
</tr>
<tr id="353D0442675F2FABFF6AFB3FAE2EB79A" box="[166,1333,1245,1269]" gridrow="2" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFB3FAA96B79A" box="[166,397,1245,1269]" gridcol="0" gridrow="2" pageId="4" pageNumber="91">Standart length (mm)</th>
<td id="76EC6D3E675F2FABFDABFB3FA9DEB79A" box="[615,709,1245,1269]" gridcol="1" gridrow="2" pageId="4" pageNumber="91">30.8</td>
<td id="76EC6D3E675F2FABFCA7FB3FA8F2B79A" box="[875,1001,1245,1269]" gridcol="2" gridrow="2" pageId="4" pageNumber="91">
24.4 
<emphasis id="B979DA12675FD050FC68FB3FA8AAB79A" bold="true" box="[932,945,1245,1269]" pageId="4" pageNumber="91">–</emphasis>
33.1
</td>
<td id="76EC6D3E675F2FABFB6EFB3FAE2EB79A" box="[1186,1333,1245,1269]" gridcol="3" gridrow="2" pageId="4" pageNumber="91">
26.4 
<emphasis id="B979DA12675FD050FB29FB3FAFE9B79A" bold="true" box="[1253,1266,1245,1269]" pageId="4" pageNumber="91">–</emphasis>
33.1
</td>
</tr>
<tr id="353D0442675F2FABFF6AFAE7AE2EB672" box="[166,1333,1285,1309]" gridrow="3" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFAE7AE2EB672" box="[166,1333,1285,1309]" colspan="4" colspanRight="3" gridcol="0" gridrow="3" pageId="4" pageNumber="91">Percents of standart length</th>
</tr>
<tr id="353D0442675F2FABFF6AFACCAE2EB629" box="[166,1333,1326,1350]" gridrow="4" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFACCAA96B629" box="[166,397,1326,1350]" gridcol="0" gridrow="4" pageId="4" pageNumber="91">Body depth</th>
<td id="76EC6D3E675F2FABFDABFACCA9DEB629" box="[615,709,1326,1350]" gridcol="1" gridrow="4" pageId="4" pageNumber="91">38.8</td>
<td id="76EC6D3E675F2FABFCA7FACCA8F2B629" box="[875,1001,1326,1350]" gridcol="2" gridrow="4" pageId="4" pageNumber="91">38.8–42.0</td>
<td id="76EC6D3E675F2FABFB6EFACCAE2EB629" box="[1186,1333,1326,1350]" gridcol="3" gridrow="4" pageId="4" pageNumber="91">36.8–42.3</td>
</tr>
<tr id="353D0442675F2FABFF6AFAB4AE2EB601" box="[166,1333,1366,1390]" gridrow="5" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFAB4AA96B601" box="[166,397,1366,1390]" gridcol="0" gridrow="5" pageId="4" pageNumber="91">Caudal peduncle depth</th>
<td id="76EC6D3E675F2FABFDABFAB4A9DEB601" box="[615,709,1366,1390]" gridcol="1" gridrow="5" pageId="4" pageNumber="91">13.3</td>
<td id="76EC6D3E675F2FABFCA7FAB4A8F2B601" box="[875,1001,1366,1390]" gridcol="2" gridrow="5" pageId="4" pageNumber="91">13.3–15.8</td>
<td id="76EC6D3E675F2FABFB6EFAB4AE2EB601" box="[1186,1333,1366,1390]" gridcol="3" gridrow="5" pageId="4" pageNumber="91">12.5–14.8</td>
</tr>
<tr id="353D0442675F2FABFF6AFA9CAE2EB6F9" box="[166,1333,1406,1430]" gridrow="6" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFA9CAA96B6F9" box="[166,397,1406,1430]" gridcol="0" gridrow="6" pageId="4" pageNumber="91">Predorsal length</th>
<td id="76EC6D3E675F2FABFDABFA9CA9DEB6F9" box="[615,709,1406,1430]" gridcol="1" gridrow="6" pageId="4" pageNumber="91">50.0</td>
<td id="76EC6D3E675F2FABFCA7FA9CA8F2B6F9" box="[875,1001,1406,1430]" gridcol="2" gridrow="6" pageId="4" pageNumber="91">49.9–55.9</td>
<td id="76EC6D3E675F2FABFB6EFA9CAE2EB6F9" box="[1186,1333,1406,1430]" gridcol="3" gridrow="6" pageId="4" pageNumber="91">57.0–63.4</td>
</tr>
<tr id="353D0442675F2FABFF6AFA44AE2EB6D1" box="[166,1333,1446,1470]" gridrow="7" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFA44AA96B6D1" box="[166,397,1446,1470]" gridcol="0" gridrow="7" pageId="4" pageNumber="91">Prepelvic length</th>
<td id="76EC6D3E675F2FABFDABFA44A9DEB6D1" box="[615,709,1446,1470]" gridcol="1" gridrow="7" pageId="4" pageNumber="91">45.3</td>
<td id="76EC6D3E675F2FABFCA7FA44A8F2B6D1" box="[875,1001,1446,1470]" gridcol="2" gridrow="7" pageId="4" pageNumber="91">45.3–47.7</td>
<td id="76EC6D3E675F2FABFB6EFA44AE2EB6D1" box="[1186,1333,1446,1470]" gridcol="3" gridrow="7" pageId="4" pageNumber="91">50.5–55.9</td>
</tr>
<tr id="353D0442675F2FABFF6AFA2DAE2EB688" box="[166,1333,1487,1511]" gridrow="8" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFA2DAA96B688" box="[166,397,1487,1511]" gridcol="0" gridrow="8" pageId="4" pageNumber="91">Dorsal fin base length</th>
<td id="76EC6D3E675F2FABFDABFA2DA9DEB688" box="[615,709,1487,1511]" gridcol="1" gridrow="8" pageId="4" pageNumber="91">42.6</td>
<td id="76EC6D3E675F2FABFCA7FA2DA8F2B688" box="[875,1001,1487,1511]" gridcol="2" gridrow="8" pageId="4" pageNumber="91">36.0–42.6</td>
<td id="76EC6D3E675F2FABFB6EFA2DAE2EB688" box="[1186,1333,1487,1511]" gridcol="3" gridrow="8" pageId="4" pageNumber="91">27.0–32.9</td>
</tr>
<tr id="353D0442675F2FABFF6AFA15AE2EB560" box="[166,1333,1527,1551]" gridrow="9" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AFA15AA96B560" box="[166,397,1527,1551]" gridcol="0" gridrow="9" pageId="4" pageNumber="91">Anal fin base length</th>
<td id="76EC6D3E675F2FABFDABFA15A9DEB560" box="[615,709,1527,1551]" gridcol="1" gridrow="9" pageId="4" pageNumber="91">45.1</td>
<td id="76EC6D3E675F2FABFCA7FA15A8F2B560" box="[875,1001,1527,1551]" gridcol="2" gridrow="9" pageId="4" pageNumber="91">39.4–45.1</td>
<td id="76EC6D3E675F2FABFB6EFA15AE2EB560" box="[1186,1333,1527,1551]" gridcol="3" gridrow="9" pageId="4" pageNumber="91">28.5–32.9</td>
</tr>
<tr id="353D0442675F2FABFF6AF9FDAE2EB558" box="[166,1333,1567,1591]" gridrow="10" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF9FDAA96B558" box="[166,397,1567,1591]" gridcol="0" gridrow="10" pageId="4" pageNumber="91">Caudal fin length</th>
<td id="76EC6D3E675F2FABFDABF9FDA9DEB558" box="[615,709,1567,1591]" gridcol="1" gridrow="10" pageId="4" pageNumber="91">30.1</td>
<td id="76EC6D3E675F2FABFCA7F9FDA8F2B558" box="[875,1001,1567,1591]" gridcol="2" gridrow="10" pageId="4" pageNumber="91">28.8–35.1</td>
<td id="76EC6D3E675F2FABFB6EF9FDAE2EB558" box="[1186,1333,1567,1591]" gridcol="3" gridrow="10" pageId="4" pageNumber="91">33.3–39.3</td>
</tr>
<tr id="353D0442675F2FABFF6AF9A5AE2EB530" box="[166,1333,1607,1631]" gridrow="11" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF9A5AA96B530" box="[166,397,1607,1631]" gridcol="0" gridrow="11" pageId="4" pageNumber="91">Pectoral fin length</th>
<td id="76EC6D3E675F2FABFDABF9A5A9DEB530" box="[615,709,1607,1631]" gridcol="1" gridrow="11" pageId="4" pageNumber="91">26.6</td>
<td id="76EC6D3E675F2FABFCA7F9A5A8F2B530" box="[875,1001,1607,1631]" gridcol="2" gridrow="11" pageId="4" pageNumber="91">23.4–28.5</td>
<td id="76EC6D3E675F2FABFB6EF9A5AE2EB530" box="[1186,1333,1607,1631]" gridcol="3" gridrow="11" pageId="4" pageNumber="91">24.6–29.1</td>
</tr>
<tr id="353D0442675F2FABFF6AF98DAE2EB5E7" box="[166,1333,1647,1672]" gridrow="12" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF98DAA96B5E7" box="[166,397,1647,1672]" gridcol="0" gridrow="12" pageId="4" pageNumber="91">Pelvic fin length</th>
<td id="76EC6D3E675F2FABFDABF98DA9DEB5E7" box="[615,709,1647,1672]" gridcol="1" gridrow="12" pageId="4" pageNumber="91">9.9</td>
<td id="76EC6D3E675F2FABFCA7F98DA8F2B5E7" box="[875,1001,1647,1672]" gridcol="2" gridrow="12" pageId="4" pageNumber="91">8.8–11.6</td>
<td id="76EC6D3E675F2FABFB6EF98DAE2EB5E7" box="[1186,1333,1647,1672]" gridcol="3" gridrow="12" pageId="4" pageNumber="91">12.5–15.2</td>
</tr>
<tr id="353D0442675F2FABFF6AF97AAE2EB5DF" box="[166,1333,1688,1712]" gridrow="13" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF97AAA96B5DF" box="[166,397,1688,1712]" gridcol="0" gridrow="13" pageId="4" pageNumber="91">Head length</th>
<td id="76EC6D3E675F2FABFDABF97AA9DEB5DF" box="[615,709,1688,1712]" gridcol="1" gridrow="13" pageId="4" pageNumber="91">30.8</td>
<td id="76EC6D3E675F2FABFCA7F97AA8F2B5DF" box="[875,1001,1688,1712]" gridcol="2" gridrow="13" pageId="4" pageNumber="91">30.5–33.5</td>
<td id="76EC6D3E675F2FABFB6EF97AAE2EB5DF" box="[1186,1333,1688,1712]" gridcol="3" gridrow="13" pageId="4" pageNumber="91">31.1–33.5</td>
</tr>
<tr id="353D0442675F2FABFF6AF922AE2EB5B7" box="[166,1333,1728,1752]" gridrow="14" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF922AE2EB5B7" box="[166,1333,1728,1752]" colspan="4" colspanRight="3" gridcol="0" gridrow="14" pageId="4" pageNumber="91">Percents of head length</th>
</tr>
<tr id="353D0442675F2FABFF6AF90AAE2EB46F" box="[166,1333,1768,1792]" gridrow="15" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF90AAA96B46F" box="[166,397,1768,1792]" gridcol="0" gridrow="15" pageId="4" pageNumber="91">Head depth</th>
<td id="76EC6D3E675F2FABFDABF90AA9DEB46F" box="[615,709,1768,1792]" gridcol="1" gridrow="15" pageId="4" pageNumber="91">105.4</td>
<td id="76EC6D3E675F2FABFCA7F90AA8F2B46F" box="[875,1001,1768,1792]" gridcol="2" gridrow="15" pageId="4" pageNumber="91">100.0–109.3</td>
<td id="76EC6D3E675F2FABFB6EF90AAE2EB46F" box="[1186,1333,1768,1792]" gridcol="3" gridrow="15" pageId="4" pageNumber="91">95.8–104.5</td>
</tr>
<tr id="353D0442675F2FABFF6AF8F2AE2EB446" box="[166,1333,1808,1833]" gridrow="16" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF8F2AA96B446" box="[166,397,1808,1833]" gridcol="0" gridrow="16" pageId="4" pageNumber="91">Head width</th>
<td id="76EC6D3E675F2FABFDABF8F2A9DEB446" box="[615,709,1808,1833]" gridcol="1" gridrow="16" pageId="4" pageNumber="91">60.3</td>
<td id="76EC6D3E675F2FABFCA7F8F2A8F2B446" box="[875,1001,1808,1833]" gridcol="2" gridrow="16" pageId="4" pageNumber="91">58.6–65.8</td>
<td id="76EC6D3E675F2FABFB6EF8F2AE2EB446" box="[1186,1333,1808,1833]" gridcol="3" gridrow="16" pageId="4" pageNumber="91">62.3–71.5</td>
</tr>
<tr id="353D0442675F2FABFF6AF8DBAE2EB43E" box="[166,1333,1849,1873]" gridrow="17" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF8DBAA96B43E" box="[166,397,1849,1873]" gridcol="0" gridrow="17" pageId="4" pageNumber="91">Snout length</th>
<td id="76EC6D3E675F2FABFDABF8DBA9DEB43E" box="[615,709,1849,1873]" gridcol="1" gridrow="17" pageId="4" pageNumber="91">19.4</td>
<td id="76EC6D3E675F2FABFCA7F8DBA8F2B43E" box="[875,1001,1849,1873]" gridcol="2" gridrow="17" pageId="4" pageNumber="91">18.6–22.5</td>
<td id="76EC6D3E675F2FABFB6EF8DBAE2EB43E" box="[1186,1333,1849,1873]" gridcol="3" gridrow="17" pageId="4" pageNumber="91">17.1–21.6</td>
</tr>
<tr id="353D0442675F2FABFF6AF883AE2EB416" box="[166,1333,1889,1913]" gridrow="18" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF883AA96B416" box="[166,397,1889,1913]" gridcol="0" gridrow="18" pageId="4" pageNumber="91">Lower jaw length</th>
<td id="76EC6D3E675F2FABFDABF883A9DEB416" box="[615,709,1889,1913]" gridcol="1" gridrow="18" pageId="4" pageNumber="91">19.1</td>
<td id="76EC6D3E675F2FABFCA7F883A8F2B416" box="[875,1001,1889,1913]" gridcol="2" gridrow="18" pageId="4" pageNumber="91">19.1–22.9</td>
<td id="76EC6D3E675F2FABFB6EF883AE2EB416" box="[1186,1333,1889,1913]" gridcol="3" gridrow="18" pageId="4" pageNumber="91">16.5–21.8</td>
</tr>
<tr id="353D0442675F2FABFF6AF86BAE2EB4CD" box="[166,1333,1929,1954]" gridrow="19" pageId="4" pageNumber="91">
<th id="76EC6D3E675F2FABFF6AF86BAA96B4CD" box="[166,397,1929,1954]" gridcol="0" gridrow="19" pageId="4" pageNumber="91">Eye diameter</th>
<td id="76EC6D3E675F2FABFDABF86BA9DEB4CD" box="[615,709,1929,1954]" gridcol="1" gridrow="19" pageId="4" pageNumber="91">32.7</td>
<td id="76EC6D3E675F2FABFCA7F86BA8F2B4CD" box="[875,1001,1929,1954]" gridcol="2" gridrow="19" pageId="4" pageNumber="91">29.6–34.0</td>
<td id="76EC6D3E675F2FABFB6EF86BAE2EB4CD" box="[1186,1333,1929,1954]" gridcol="3" gridrow="19" pageId="4" pageNumber="91">28.6–30.3</td>
</tr>
</table>
</paragraph>
<caption id="DF725688675ED051FF5BF848AF78B489" ID-DOI="http://doi.org/10.5281/zenodo.4723180" ID-Zenodo-Dep="4723180" httpUri="https://zenodo.org/record/4723180/files/figure.png" pageId="5" pageNumber="92" startId="5.[151,250,1962,1986]" targetBox="[473,1114,181,1938]" targetPageId="5">
<paragraph id="8BB20600675ED051FF5BF848AF78B489" blockId="5.[151,1436,1962,2022]" pageId="5" pageNumber="92">
<emphasis id="B979DA12675ED051FF5BF848AA0DB4AD" bold="true" box="[151,278,1962,1986]" pageId="5" pageNumber="92">FIGURE 1.</emphasis>
Colour variation of male topotypes (not preserved) of 
<taxonomicName id="4C0D7D83675ED051FC91F848AF31B4AD" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[861,1066,1962,1986]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="5" pageNumber="92" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA12675ED051FC91F848AF31B4AD" box="[861,1066,1962,1986]" italics="true" pageId="5" pageNumber="92">Austrolebias cheffei</emphasis>
</taxonomicName>
, floodplain of Rio Camaquã basin, Cristal, Rio Grande do Sul, Brazil. Photos by Pedro Hoffmman (A) and Matheus Volcan (B–D).
</paragraph>
</caption>
<caption id="DF725688675DD052FF5BFBC0A920B731" ID-DOI="http://doi.org/10.5281/zenodo.4723182" ID-Zenodo-Dep="4723182" httpUri="https://zenodo.org/record/4723182/files/figure.png" pageId="6" pageNumber="93" startId="6.[151,250,1058,1082]" targetBox="[340,1247,181,1033]" targetPageId="6">
<paragraph id="8BB20600675DD052FF5BFBC0A920B731" blockId="6.[151,1437,1058,1118]" pageId="6" pageNumber="93">
<emphasis id="B979DA12675DD052FF5BFBC0AA0FB755" bold="true" box="[151,276,1058,1082]" pageId="6" pageNumber="93">FIGURE 2.</emphasis>
Females topotypes (not preserved) of 
<taxonomicName id="4C0D7D83675DD052FD52FBC0A873B755" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[670,872,1058,1082]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="6" pageNumber="93" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA12675DD052FD52FBC0A873B755" box="[670,872,1058,1082]" italics="true" pageId="6" pageNumber="93">Austrolebias cheffei</emphasis>
</taxonomicName>
, floodplain of Rio Camaquã basin, Cristal, Rio Grande do Sul, Brazil. Photo by Matheus Volcan.
</paragraph>
</caption>
<paragraph id="8BB20600675DD052FF0BFB6EAE95B611" blockId="6.[151,1437,1164,2018]" pageId="6" pageNumber="93">Scales cycloid. Body and head entirely scaled, except anteroventral surface of head. No scales on dorsal fin base, one irregular row of scales in anal fin base in males, in females scales absent in anal fin base, and 3 rows of scales on caudal-fin base. Frontal squamation F or G, sometimes irregularly arranged; E-scales slightly overlapping medially. Two supra-orbital scale, except one individual with one supra-orbital scale. Lateral line of trunk complete, with one neuromast per scale. Longitudinal series of scales 25–30; transverse series of scales 12–13; scale rows around caudal peduncle 14–16. Contact organs throughout antero-ventral part of flank in males. Rows of minute contact organs in the 2–4 uppermost pectoral-fin rays in males. No contact organ on pelvic, dorsal and caudal fin.</paragraph>
<paragraph id="8BB20600675DD052FF0BFA6AAE2CB685" blockId="6.[151,1437,1164,2018]" pageId="6" pageNumber="93">Cephalic neuromasts: supraorbital 16–22, parietal 2–4, anterior rostral 1, posterior rostral 1, infraorbital 2–3+20– 30, preorbital 2–3, otic 2–4, postotic 1–5, supratemporal 1, median opercular 1, ventral opercular 1–3, preopercular 18–26, mandibular 10–15, lateral mandibular 4–6, paramandibular 1. Two neuromasts on caudal-fin base.</paragraph>
<paragraph id="8BB20600675DD052FF0BFA16AE8EB539" blockId="6.[151,1437,1164,2018]" pageId="6" pageNumber="93">Six branchiostegal rays. Dermosphenotic ossification absent. Vomerine teeth absent. Urohyal deep. Total number of vertebrae 28. Gill rakers in first branchial arch 3 + 8–9. Basihyal subtriangular, width about 55–60% of length; basihyal cartilage about 45–50% of total basihyal length. Two or three teeth on second pharyngobranchial.</paragraph>
<paragraph id="8BB20600675DD052FF0BF982A9DDB48D" blockId="6.[151,1437,1164,2018]" pageId="6" pageNumber="93">
<emphasis id="B979DA12675DD052FF0BF982AA87B515" bold="true" box="[199,412,1632,1658]" pageId="6" pageNumber="93">Coloration in life.</emphasis>
Males (
<figureCitation id="13361A85675DD052FE35F982A926B515" box="[505,573,1632,1658]" captionStart="FIGURE 1" captionStartId="5.[151,250,1962,1986]" captionTargetBox="[473,1114,181,1938]" captionTargetId="figure-17@5.[473,1114,181,1938]" captionTargetPageId="5" captionText="FIGURE 1. Colour variation of male topotypes (not preserved) of Austrolebias cheffei, floodplain of Rio Camaquã basin, Cristal, Rio Grande do Sul, Brazil. Photos by Pedro Hoffmman (A) and Matheus Volcan (B–D)." figureDoi="http://doi.org/10.5281/zenodo.4723180" httpUri="https://zenodo.org/record/4723180/files/figure.png" pageId="6" pageNumber="93">Fig. 1</figureCitation>
): Ground colour of body light gray, yellowish in some specimens, with 5–9 dark gray to black transversal bars, that extend into the basis of dorsal and anal fins as blurred bars. Dorsum brownish gray. Urogenital papilla gray. Pectoral and ventral region whitish or yellowish. Opercular region blue. Iris brownish orange. Black vertical band crossing the eye. Supraorbital and suborbital bars black. Dorsal fin blue, with yellowish iridescent pigmentation and 3–6 wide, dark-gray to black vertical bars (each bar covers between 3–7 rays), which consist of transverse flank bars extensions, usually restricted to basal region, and sometimes reaching the middle region. Vertically elongated dark spot at distal portion of last dorsal fin rays, anteriorly delimited by a narrow whitish blue margin. Anal fin bluish with the same bars pattern as the dorsal fin. Presence of vertically elongated dark spot at distal portion of last anal fin rays, anteriorly delimited by a narrow whitish blue margin. Caudal fin blue, sometimes with horizontally whitish iridescent stripes along caudal fin rays; distal region hyaline. Pelvic fins blue. Pectoral fins hyaline with black margin.
</paragraph>
<paragraph id="8BB20600675CD053FF0BFF75A953B20A" blockId="7.[151,1437,151,429]" pageId="7" pageNumber="94">
Females (
<figureCitation id="13361A85675CD053FEF8FF75AA61B3DE" box="[308,378,151,177]" captionStart="FIGURE 2" captionStartId="6.[151,250,1058,1082]" captionTargetBox="[340,1247,181,1033]" captionTargetId="figure-25@6.[340,1247,181,1033]" captionTargetPageId="6" captionText="FIGURE 2. Females topotypes (not preserved) of Austrolebias cheffei, floodplain of Rio Camaquã basin, Cristal, Rio Grande do Sul, Brazil. Photo by Matheus Volcan." figureDoi="http://doi.org/10.5281/zenodo.4723182" httpUri="https://zenodo.org/record/4723182/files/figure.png" pageId="7" pageNumber="94">Fig. 2</figureCitation>
): Ground colour of body light brownish gray with dark marks, highly variable in size, number and shape. Sometimes one or two black spots on anterocentral portion of flank. Pectoral and ventral region hyaline. Opercular region ochre or pale greenish blue. Caudal peduncle with two vertically arranged black spots (sometimes coalescing into a eight-shaped spot) on posterior portion. Opercular region pale blue. Iris light yellow. Dark gray vertical band crossing the eye. Unpaired fins hyaline, with faint gray marks or bars, mainly on basal portion of dorsal and anal fins. Pectoral fins hyaline.
</paragraph>
<paragraph id="8BB20600675CD053FF0BFE8CAFDDB2C2" blockId="7.[151,1437,151,429]" pageId="7" pageNumber="94">
<emphasis id="B979DA12675CD053FF0BFE8CAAF1B2E7" bold="true" box="[199,490,366,392]" pageId="7" pageNumber="94">Geographic distribution</emphasis>
. 
<taxonomicName id="4C0D7D83675CD053FE35FE8DA9C2B2E6" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[505,729,367,393]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="7" pageNumber="94" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA12675CD053FE35FE8DA9C2B2E6" box="[505,729,367,393]" italics="true" pageId="7" pageNumber="94">Austrolebias cheffei</emphasis>
</taxonomicName>
is endemic of temporary wetlands of the floodplains of lower course of the Rio Camaquã basin, Laguna dos Patos system, 
<collectingRegion id="49C9C8E2675CD053FC8CFE71AF0FB2C2" box="[832,1044,403,429]" country="Brazil" name="Rio Grande do Sul" pageId="7" pageNumber="94">Rio Grande do Sul</collectingRegion>
, 
<collectingCountry id="F31A4690675CD053FBECFE71AF7FB2C2" box="[1056,1124,403,429]" name="Brazil" pageId="7" pageNumber="94">Brazil</collectingCountry>
(
<figureCitation id="13361A85675CD053FBBFFE71AFA3B2C2" box="[1139,1208,403,429]" captionStart="FIGURE 3" captionStartId="7.[151,250,1745,1769]" captionTargetBox="[182,1414,462,1712]" captionTargetId="figure-146@7.[159,1426,453,1720]" captionTargetPageId="7" captionText="FIGURE 3. Geographic distribution of the species of the Austrolebias adloffi species group in Rio Grande do Sul, southern Brazil, and Uruguay, including the type locality of A. cheffei and A. lourenciano. Each point can represent more than one locality." figureDoi="http://doi.org/10.5281/zenodo.4723184" httpUri="https://zenodo.org/record/4723184/files/figure.png" pageId="7" pageNumber="94">Fig. 3</figureCitation>
).
</paragraph>
<caption id="DF725688675CD053FF5BF933AE88B462" ID-DOI="http://doi.org/10.5281/zenodo.4723184" ID-Zenodo-Dep="4723184" httpUri="https://zenodo.org/record/4723184/files/figure.png" pageId="7" pageNumber="94" startId="7.[151,250,1745,1769]" targetBox="[182,1414,462,1712]" targetPageId="7">
<paragraph id="8BB20600675CD053FF5BF933AE88B462" blockId="7.[151,1436,1745,1806]" pageId="7" pageNumber="94">
<emphasis id="B979DA12675CD053FF5BF933AA09B586" bold="true" box="[151,274,1745,1769]" pageId="7" pageNumber="94">FIGURE 3.</emphasis>
Geographic distribution of the species of the 
<taxonomicName id="4C0D7D83675CD053FD15F933A884B586" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[729,927,1745,1769]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="7" pageNumber="94" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA12675CD053FD15F933A884B586" box="[729,927,1745,1769]" italics="true" pageId="7" pageNumber="94">Austrolebias adloffi</emphasis>
</taxonomicName>
species group in Rio Grande do Sul, southern Brazil, and Uruguay, including the type locality of 
<taxonomicName id="4C0D7D83675CD053FDBBF917A9CCB462" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[631,727,1781,1805]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="7" pageNumber="94" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA12675CD053FDBBF917A9CCB462" box="[631,727,1781,1805]" italics="true" pageId="7" pageNumber="94">A. cheffei</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C0D7D83675CD053FCC4F917A886B462" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[776,925,1781,1805]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="7" pageNumber="94" phylum="Chordata" rank="species" species="lourenciano">
<emphasis id="B979DA12675CD053FCC4F917A886B462" box="[776,925,1781,1805]" italics="true" pageId="7" pageNumber="94">A. lourenciano</emphasis>
</taxonomicName>
. Each point can represent more than one locality.
</paragraph>
</caption>
<paragraph id="8BB20600675CD05CFF0BF8D9AAC5B396" blockId="7.[151,1437,1851,2022]" lastBlockId="8.[151,1436,151,249]" lastPageId="8" lastPageNumber="95" pageId="7" pageNumber="94">
<emphasis id="B979DA12675CD053FF0BF8D9AA71B43A" bold="true" box="[199,362,1851,1877]" pageId="7" pageNumber="94">Habitat notes</emphasis>
. 
<taxonomicName id="4C0D7D83675CD053FEB6F8D9A941B43A" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[378,602,1851,1877]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="7" pageNumber="94" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA12675CD053FEB6F8D9A941B43A" box="[378,602,1851,1877]" italics="true" pageId="7" pageNumber="94">Austrolebias cheffei</emphasis>
</taxonomicName>
was recorded in wetlands in the lower portion of the Rio Camaquã (
<figureCitation id="13361A85675CD053FAA3F8D9ABB3B416" captionStart="FIGURE 4" captionStartId="8.[151,250,883,907]" captionTargetBox="[158,1428,273,860]" captionTargetId="figure-60@8.[158,1428,273,860]" captionTargetPageId="8" captionText="FIGURE 4. Type locality of Austrolebias cheffei in the floodplains of Rio Camaquã. Photo by Matheus Volcan." figureDoi="http://doi.org/10.5281/zenodo.4723186" httpUri="https://zenodo.org/record/4723186/files/figure.png" pageId="7" pageNumber="94">Fig. 4</figureCitation>
). The species inhabits small (less than 1 ha), shallow temporary wetlands (&lt;
<quantity id="4CF5ABE5675CD053FBD6F8BDAF7BB415" box="[1050,1120,1887,1914]" metricMagnitude="-1" metricUnit="m" metricValue="6.0" pageId="7" pageNumber="94" unit="cm" value="60.0">60 cm</quantity>
deep), with high density of aquatic vegetation, exposed to sunlight, on the edge of the riparian forest of the Rio Camaquã, but it is also found in small pools within the riparian forest. Temporary wetlands with 
<taxonomicName id="4C0D7D83675CD053FCABF84AA8CAB4AE" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[871,977,1959,1986]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="7" pageNumber="94" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA12675CD053FCABF84AA8CAB4AE" box="[871,977,1959,1986]" italics="true" pageId="7" pageNumber="94">A. cheffei</emphasis>
</taxonomicName>
usually dry in late spring and early summer, between November and December, and flood again in early autumn, between April and May, however, there is some variation from year to year depending on the intensity of the annual precipitations. The species was recorded co-occurring with another two species of 
<taxonomicName id="4C0D7D836753D05CFDBEFF59A9F9B3BA" authorityName="Myers" authorityYear="1925" box="[626,738,187,213]" class="Actinopterygii" family="Rivulidae" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="family">Rivulidae</taxonomicName>
, 
<taxonomicName id="4C0D7D836753D05CFD23FF59AFD1B3BA" authority="(Ahl, 1924)" baseAuthorityName="Ahl" baseAuthorityYear="1924" box="[751,1226,187,213]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="species" species="wolterstorffi">
<emphasis id="B979DA126753D05CFD23FF59A867B3BA" box="[751,892,187,213]" italics="true" pageId="8" pageNumber="95">Austrolebias</emphasis>
aff. 
<emphasis id="B979DA126753D05CFC7EFF59AF27B3BA" box="[946,1084,187,213]" italics="true" pageId="8" pageNumber="95">wolterstorffi</emphasis>
(Ahl, 1924)
</taxonomicName>
and 
<taxonomicName id="4C0D7D836753D05CFAC8FF59AAC1B396" authority="(Regan, 1912)" baseAuthorityName="Regan" baseAuthorityYear="1912" class="Actinopterygii" family="Rivulidae" genus="Cynopoecilus" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="species" species="melanotaenia">
<emphasis id="B979DA126753D05CFAC8FF59AA34B396" italics="true" pageId="8" pageNumber="95">Cynopoecilus melanotaenia</emphasis>
(Regan, 1912)
</taxonomicName>
.
</paragraph>
</subSubSection>
<caption id="DF7256886753D05CFF5BFC91AE1EB0E3" ID-DOI="http://doi.org/10.5281/zenodo.4723186" ID-Zenodo-Dep="4723186" box="[151,1285,883,908]" httpUri="https://zenodo.org/record/4723186/files/figure.png" pageId="8" pageNumber="95" startId="8.[151,250,883,907]" targetBox="[158,1428,273,860]" targetPageId="8">
<paragraph id="8BB206006753D05CFF5BFC91AE1EB0E3" blockId="8.[151,1285,883,908]" box="[151,1285,883,908]" pageId="8" pageNumber="95">
<emphasis id="B979DA126753D05CFF5BFC91AA08B0E3" bold="true" box="[151,275,883,908]" pageId="8" pageNumber="95">FIGURE 4.</emphasis>
Type locality of 
<taxonomicName id="4C0D7D836753D05CFE0CFC96A992B0E3" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[448,649,884,908]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126753D05CFE0CFC96A992B0E3" box="[448,649,884,908]" italics="true" pageId="8" pageNumber="95">Austrolebias cheffei</emphasis>
</taxonomicName>
in the floodplains of Rio Camaquã. Photo by Matheus Volcan.
</paragraph>
</caption>
<subSubSection id="C317558B6753D05CFF0BFC58A826B69F" pageId="8" pageNumber="95" type="etymology">
<paragraph id="8BB206006753D05CFF0BFC58AA70B773" blockId="8.[151,1437,954,1520]" pageId="8" pageNumber="95">
<emphasis id="B979DA126753D05CFF0BFC58AA55B0BB" bold="true" box="[199,334,954,980]" pageId="8" pageNumber="95">Etymology.</emphasis>
The specific epithet is given in honour of Morevy Moreira Cheffe for his contribution to the knowledge of annual fish in southern 
<collectingCountry id="F31A46906753D05CFD89FC3CA997B097" box="[581,652,990,1016]" name="Brazil" pageId="8" pageNumber="95">Brazil</collectingCountry>
, especially the 
<taxonomicName id="4C0D7D836753D05CFCF6FC3CA8BFB097" baseAuthorityName="Ahl" baseAuthorityYear="1922" box="[826,932,990,1016]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="species" species="adloffi">
<emphasis id="B979DA126753D05CFCF6FC3CA8BFB097" box="[826,932,990,1016]" italics="true" pageId="8" pageNumber="95">A. adloffi</emphasis>
</taxonomicName>
species group. To him our gratitude and our acknowledgement.
</paragraph>
<paragraph id="8BB206006753D05CFF0BFBC4A826B69F" blockId="8.[151,1437,954,1520]" pageId="8" pageNumber="95">
<emphasis id="B979DA126753D05CFF0BFBC4AAA0B72F" bold="true" box="[199,443,1062,1088]" pageId="8" pageNumber="95">Conservation status.</emphasis>
The species was found in small wetlands in a rural landscape matrix highly degraded by rice and soybean cultivation. The species occurs in lowland areas, which are widely used for agriculture and their populations are considered relictual. Several collection expeditions were carried out in the lower Rio Camaquã basin and 
<taxonomicName id="4C0D7D836753D05CFF3CFB70AA40B7C3" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[240,347,1170,1196]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126753D05CFF3CFB70AA40B7C3" box="[240,347,1170,1196]" italics="true" pageId="8" pageNumber="95">A. cheffei</emphasis>
</taxonomicName>
was only recorded at its 
<typeStatus id="54B6B8A26753D05CFDBBFB70A9BCB7C3" box="[631,679,1170,1196]" pageId="8" pageNumber="95">type</typeStatus>
locality. The very few wetlands still remaining in the region of the lower Rio Camaquã is probably due to the massive loss of this 
<typeStatus id="54B6B8A26753D05CFCAAFB54A88DB7BF" box="[870,918,1206,1232]" pageId="8" pageNumber="95">type</typeStatus>
of environment that was drained for irrigated rice crops, and more recently for soybean crops. It is probable that the species occurs in the Parque Estadual do Camaquã, about 
<quantity id="4CF5ABE56753D05CFE9AFB1CAA85B677" box="[342,414,1278,1305]" metricMagnitude="4" metricUnit="m" metricValue="2.5" pageId="8" pageNumber="95" unit="km" value="25.0">25 km</quantity>
downstream from the 
<typeStatus id="54B6B8A26753D05CFD53FB1CA9D4B677" box="[671,719,1278,1304]" pageId="8" pageNumber="95">type</typeStatus>
locality of 
<taxonomicName id="4C0D7D836753D05CFC9FFB1CA8A5B677" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" box="[851,958,1278,1304]" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126753D05CFC9FFB1CA8A5B677" box="[851,958,1278,1304]" italics="true" pageId="8" pageNumber="95">A. cheffei</emphasis>
</taxonomicName>
, and collection efforts in the area are necessary to ascertain its occurrence in this conservation unit. The species has an occupation area of less than 1 ha, a low population density and suffers from the reduction in the quality of its habitat. Following the 
<bibRefCitation id="EF9C7BF16753D05CFB12FAA4AE63B60F" author="IUCN Standards &amp; Petitions Subcommittee" box="[1246,1400,1350,1376]" pageId="8" pageNumber="95" refId="ref16710" refString="IUCN Standards and Petitions Subcommittee (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Committee. Available from: http: // www. iucnredlist. org / documents / RedList- Guidelines. pdf (accessed 7 April 2021)" type="book" year="2019">IUCN (2019)</bibRefCitation>
, 
<taxonomicName id="4C0D7D836753D05CFA48FAA4ABF9B6EB" authorityName="Volcan &amp; Barbosa &amp; Robe &amp; Lanés" authorityYear="2021" class="Actinopterygii" family="Rivulidae" genus="Austrolebias" kingdom="Animalia" order="Cyprinodontiformes" pageId="8" pageNumber="95" phylum="Chordata" rank="species" species="cheffei">
<emphasis id="B979DA126753D05CFA48FAA4ABF9B6EB" italics="true" pageId="8" pageNumber="95">A. cheffei</emphasis>
</taxonomicName>
presents a reduced (AOO &lt;
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²) and severely fragmented (a) area of occurrence and is experiencing continued decline (b) in the area of occupancy (ii) and in the quality of habitat (iii), and should be considered as a “Critically Endangered” species under the category CR B2ab (ii, iii). The species should be included in future lists of the endangered fauna from 
<collectingRegion id="49C9C8E26753D05CFE25FA34A9A1B69F" box="[489,698,1494,1520]" country="Brazil" name="Rio Grande do Sul" pageId="8" pageNumber="95">Rio Grande do Sul</collectingRegion>
and 
<collectingCountry id="F31A46906753D05CFD3DFA34A822B69F" box="[753,825,1494,1520]" name="Brazil" pageId="8" pageNumber="95">Brazil</collectingCountry>
.
</paragraph>
</subSubSection>
</treatment>
</document>