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173 lines
17 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1091.73446" ID-GBIF-Dataset="cbf731e4-d5e9-4bc6-a0ed-76d064979961" ID-PMC="PMC9005463" ID-Pensoft-Pub="1313-2970-1091-99" ID-Pensoft-UUID="DDA55944A0A15E2C834476E1F6AAD712" ID-PubMed="35586022" ID-ZooBank="4A231F962C7549868A81F4E2ECDC8D6F" ModsDocID="1313-2970-1091-99" checkinTime="1648741039932" checkinUser="pensoft" docAuthor="Brinoccoli, Yanina F., Bogan, Sergio, Arcila, Dahiana, Rosso, Juan J., Mabragana, Ezequiel, Delpiani, Sergio M., Astarloa, Juan Martin Diaz de & Cardoso, Yamila P." docDate="2022" docId="2DE9E4FC344F5A1D9BDCD0C443012580" docLanguage="en" docName="ZooKeys 1091: 99-117" docOrigin="ZooKeys 1091" docPubDate="2022-03-31" docSource="http://dx.doi.org/10.3897/zookeys.1091.73446" docTitle="Acrobrycon tarijae Fowler 1940" docType="treatment" docVersion="4" id="DDA55944A0A15E2C834476E1F6AAD712" lastPageNumber="99" masterDocId="DDA55944A0A15E2C834476E1F6AAD712" masterDocTitle="Molecular and morphological evidence revalidates Acrobrycon tarijae (Characiformes, Characidae) and shows hidden diversity" masterLastPageNumber="117" masterPageNumber="99" pageNumber="99" updateTime="1668151588465" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Molecular and morphological evidence revalidates Acrobrycon tarijae (Characiformes, Characidae) and shows hidden diversity</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Brinoccoli, Yanina F.</mods:namePart>
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<mods:affiliation>Laboratorio de Ictiofisiologia y Acuicultura, Instituto Tecnologico Chascomu ́ s, Universidad Nacional de San Martin, Av. Intendente Marino km 8200 CC 164 7130, Chascomu ́ s, Buenos Aires, Argentina & Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Buenos Aires, Godoy Cruz 2290, CABA, Argentina</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Bogan, Sergio</mods:namePart>
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<mods:affiliation>Fundacion de Historia Natural " Felix de Azara ", Centro de Ciencias Naturales, Ambientales y Antropologicas, Universidad Maimonides, Hidalgo 775 piso 7, C 1405 BDB, Buenos Aires, Argentina</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Arcila, Dahiana</mods:namePart>
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<mods:affiliation>Sam Noble Oklahoma Museum of Natural History and Department of Biology, University of Oklahoma, Norman, Oklahoma, 73072, USA</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Rosso, Juan J.</mods:namePart>
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<mods:affiliation>Grupo de Biotaxonomia Morfologica y Molecular de Peces, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina & Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Buenos Aires, Godoy Cruz 2290, CABA, Argentina</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Mabragana, Ezequiel</mods:namePart>
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<mods:affiliation>Grupo de Biotaxonomia Morfologica y Molecular de Peces, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina & Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Buenos Aires, Godoy Cruz 2290, CABA, Argentina</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Delpiani, Sergio M.</mods:namePart>
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<mods:affiliation>Grupo de Biotaxonomia Morfologica y Molecular de Peces, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina & Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Buenos Aires, Godoy Cruz 2290, CABA, Argentina</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Astarloa, Juan Martin Diaz de</mods:namePart>
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<mods:affiliation>Grupo de Biotaxonomia Morfologica y Molecular de Peces, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina & Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Buenos Aires, Godoy Cruz 2290, CABA, Argentina & Departamento de Biologia, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3250, 7600 Mar del Plata, Argentina</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Cardoso, Yamila P.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-3497-4359</mods:nameIdentifier>
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<mods:affiliation>Laboratorio de Sistema ́ tica y Biologi ́ a Evolutiva, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata. Paseo del Bosque S / N, B 1900 FWA, La Plata, Buenos Aires, Argentina & Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Buenos Aires, Godoy Cruz 2290, CABA, Argentina</mods:affiliation>
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<mods:nameIdentifier type="email">yamilapcardoso@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-03-31</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1091</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>99</mods:start>
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<mods:end>117</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1091.73446</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1091.73446</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1091-99</mods:identifier>
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<mods:identifier type="ZooBank">4A231F962C7549868A81F4E2ECDC8D6F</mods:identifier>
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<mods:identifier type="Pensoft-UUID">DDA55944A0A15E2C834476E1F6AAD712</mods:identifier>
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</mods:mods>
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<subSection pageId="0" pageNumber="99" type="results">
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<treatment ID-GBIF-Taxon="194317818" LSID="urn:lsid:plazi:treatment:2DE9E4FC344F5A1D9BDCD0C443012580" httpUri="http://treatment.plazi.org/id/2DE9E4FC344F5A1D9BDCD0C443012580" lastPageNumber="99" pageId="0" pageNumber="99">
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<subSubSection pageId="0" pageNumber="99" type="nomenclature">
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<paragraph pageId="0" pageNumber="99">
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<taxonomicName LSID="2DE9E4FC-344F-5A1D-9BDC-D0C443012580" authority="Fowler, 1940" authorityName="Fowler" authorityYear="1940" class="Actinopterygii" family="Characidae" genus="Acrobrycon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acrobrycon tarijae" order="Characiformes" pageId="0" pageNumber="99" phylum="Chordata" rank="species" species="tarijae">Acrobrycon tarijae Fowler, 1940</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="99" type="description">
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<paragraph pageId="0" pageNumber="99">
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Pictures of the series types of A. tarijae. A holotype B-E paratypes. Scale represents 1 cm. Images from K. Luckenbill, cortesy Academy of Natural Sciences, Drexel University." figureDoi="10.3897/zookeys.1091.73446.figure2" httpUri="https://binary.pensoft.net/fig/666840" pageId="0" pageNumber="99">Figs 2</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Count of vertebrae in holotypes of A A. tarijae and B T. ipanquianus. Abbreviation W represents the first four vertebrae of the Weber complex. Images from K. Luckenbill, cortesy Academy of Natural Sciences, Drexel University." figureDoi="10.3897/zookeys.1091.73446.figure3" httpUri="https://binary.pensoft.net/fig/666841" pageId="0" pageNumber="99">, 3</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="99" type="reference_group">
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<paragraph pageId="0" pageNumber="99">
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<taxonomicName authorityName="Fowler" authorityYear="1940" class="Actinopterygii" family="Characidae" genus="Acrobrycon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acrobrycon tarijae" order="Characiformes" pageId="0" pageNumber="99" phylum="Chordata" rank="species" species="tarijae">Acrobrycon tarijae</taxonomicName>
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Fowler, 1940:50 [Type locality: Lipeo River, branch of Bermejo River, Department of Tarija, Bolivia (currently the Lipeo River type locality was relocated to the province of Salta, Argentina)].
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="99" type="amended diagnosis">
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<paragraph pageId="0" pageNumber="99">Amended diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="99">
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<taxonomicName authorityName="Fowler" authorityYear="1940" class="Actinopterygii" family="Characidae" genus="Acrobrycon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acrobrycon tarijae" order="Characiformes" pageId="0" pageNumber="99" phylum="Chordata" rank="species" species="tarijae">
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<emphasis italics="true" pageId="0" pageNumber="99">Acrobrycon tarijae</emphasis>
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</taxonomicName>
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is distinguished from
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<taxonomicName lsidName="A. ipanquianus" pageId="0" pageNumber="99" rank="species" species="ipanquianus">
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<emphasis italics="true" pageId="0" pageNumber="99">A. ipanquianus</emphasis>
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</taxonomicName>
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by the lower number of vertebrae [37 (1), 38 (3+holotype+3 paratypes), 39 (1+2 paratypes) vs. 41 (2 paratypes), 42 (holotype+2 paratypes)], and pleural ribs (12 (1 paratype), 13 (5+holotype+4paratypes) pairs vs. 14 (holotype+2 paratypes) pairs in the type series).
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<taxonomicName authorityName="Fowler" authorityYear="1940" class="Actinopterygii" family="Characidae" genus="Acrobrycon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acrobrycon tarijae" order="Characiformes" pageId="0" pageNumber="99" phylum="Chordata" rank="species" species="tarijae">
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<emphasis italics="true" pageId="0" pageNumber="99">Acrobrycon tarijae</emphasis>
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</taxonomicName>
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is distinguished from
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<taxonomicName lsidName="A. starnesi" pageId="0" pageNumber="99" rank="species" species="starnesi">
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<emphasis italics="true" pageId="0" pageNumber="99">A. starnesi</emphasis>
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</taxonomicName>
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by the number of perforated scales of the lateral line [51 (1), 52 (1), 54 (4), 55 (2), 56 (1) 57 (7), 58 (5), 59 (7), 60 (2) vs. 61 to 66], and the number of horizontal-scale rows around the caudal peduncle (19 (12), 20 (9), 21 (9) vs. 22 to 26).
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<taxonomicName authorityName="Fowler" authorityYear="1940" class="Actinopterygii" family="Characidae" genus="Acrobrycon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acrobrycon tarijae" order="Characiformes" pageId="0" pageNumber="99" phylum="Chordata" rank="species" species="tarijae">
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<emphasis italics="true" pageId="0" pageNumber="99">Acrobrycon tarijae</emphasis>
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</taxonomicName>
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can be distinguished from
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<taxonomicName lsidName="A. ortii" pageId="0" pageNumber="99" rank="species" species="ortii">
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<emphasis italics="true" pageId="0" pageNumber="99">A. ortii</emphasis>
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</taxonomicName>
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by the number of branched anal-fin rays [23 (3), 24 (9), 25 (10), 26 (7), 27 (1) vs. 19 to 21].
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="99" type="description">
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<paragraph pageId="0" pageNumber="99">Description.</paragraph>
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<paragraph pageId="0" pageNumber="99">
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The description of
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<taxonomicName lsidName="A. tarijae" pageId="0" pageNumber="99" rank="species" species="tarijae">
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<emphasis italics="true" pageId="0" pageNumber="99">A. tarijae</emphasis>
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</taxonomicName>
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follows
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<bibRefCitation DOI="https://doi.org/10.1643/CI-13-009" author="Arcila, D" journalOrPublisher="Copeia" pageId="0" pageNumber="99" pagination="604 - 611" refId="B1" refString="Arcila, D, Vari, RP, Menezes, NA, 2013. Revision of the neotropical genus Acrobrycon (Ostariophysi: Characiformes: Characidae) with description of two new species. Copeia 2013 (4): 604 - 611, DOI: https://doi.org/10.1643/CI-13-009" title="Revision of the neotropical genus Acrobrycon (Ostariophysi: Characiformes: Characidae) with description of two new species." url="https://doi.org/10.1643/CI-13-009" volume="2013" year="2013">Arcila et al. (2013)</bibRefCitation>
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, including some adjustments to the ranges as indicated below.
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<taxonomicName authorityName="Fowler" authorityYear="1940" class="Actinopterygii" family="Characidae" genus="Acrobrycon" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Acrobrycon tarijae" order="Characiformes" pageId="0" pageNumber="99" phylum="Chordata" rank="species" species="tarijae">
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<emphasis italics="true" pageId="0" pageNumber="99">Acrobrycon tarijae</emphasis>
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</taxonomicName>
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is a characid of moderate size (can exceed 114 mm of standard length, SL), with an elongated body. Greater body depth in the sector behind the origin of the pectoral fins and before the dorsal-fin origin. Dorsal profile convex from the tip of the snout to the origin of the dorsal fin, slightly depressed along the nape, almost straight along the base of the dorsal fin and slightly concave along the caudal peduncle. Ventral profile convex. Dorsal-fin origin anteriorly than the origin of the anal fin. Rounded muzzle in lateral view.
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</paragraph>
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<paragraph pageId="0" pageNumber="99">Terminal mouth slightly upwards. Maxilla extending posteriorly beyond the vertical through the anterior margin of the orbit, but not reaching the vertical through the posterior border of the pupil. Posteroventral border of the maxilla convex and posterior margin concave. Premaxillary teeth in two different rows, outside row with 4-5 teeth and internal row with 4 teeth. Larger teeth with five cusps; smaller teeth with three cusps. Maxillary teeth 6-11. Larger anterior maxillary teeth with 1-3 cusps, other smaller teeth with 1-2 cusps. Dentary with 4 large anterior teeth with 5 cusps, followed by 6-10 smaller teeth with 1-3 cusps.</paragraph>
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<paragraph pageId="0" pageNumber="99">Tip of the pelvic fin does not reach the anal-fin origin, cycloid scales, with 4 to 8 rays along the exposed surface over most of the body and 14 to 17 rays on scales bordering the opening of the caudal pocket. Lateral line with 51-60 perforated scales. Predorsal scales 19-26. Horizontal-scale rows around caudal peduncle 19-21.</paragraph>
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<paragraph pageId="0" pageNumber="99">Dorsal-fin rays ii+8. Some specimens with posteriormost dorsal ray unbranched and others with a branched condition in this ray, although this is restricted to a very small part of its distal tip. Small adipose fin. Anal fin with v,vi-23-26. Pectoral fin with i, 9-10. Pelvic-fin rays i, 7 (12), 8 (18). Caudal fin with two well differentiated lobes, with i, 9-10.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="99" type="sexual dimorphism">
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<paragraph pageId="0" pageNumber="99">Sexual dimorphism.</paragraph>
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<paragraph pageId="0" pageNumber="99">Mature males present a hypertrophied terminal caudal-fin squamation forming a caudal pocket and also have bony hooks on the anal, pelvic, and caudal-fin rays.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="99" type="coloration in live specimens">
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<paragraph pageId="0" pageNumber="99">Coloration in live specimens.</paragraph>
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<paragraph pageId="0" pageNumber="99">Gray ochre dorsal coloration from the nostrils to the caudal peduncle. Silvery flanks, paler at ventral section and with purplish-bluish reflection dorsally. A golden to greenish coloration bordering the lateral line. A silver wide band behind the humeral spot progressing distally to the end of the body, continuing with a marked black pigmentation in the medial rays of the caudal fin. Circum-orbital bones generally silver, the fifth and sixth infraorbitals may have purplish reflections. Operculum with conspicuous violet reflections, turning greenish above and ahead this bone. A conspicuous humeral dark spot vertically elongated. Pectoral and ventral fins whitish. The dorsal and adipose fins smoothly yellowish. The anal fin gray or yellowish usually with a whitish lower margin (Suppl. material 1: Fig. S2).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="99" type="coloration in alcohol">
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<paragraph pageId="0" pageNumber="99">Coloration in alcohol.</paragraph>
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<paragraph pageId="0" pageNumber="99">Preserved specimens, body brown, with darker dorsum. Humeral spot dark, with a well-defined upper part and a fainter lower expansion. In many specimens the lower expansion of humeral spot absent. The lateral band dark, thin at the level of the humeral spot, and shortly wider until the distal end of the body. This band conspicuous in some specimens and very faint in others. The middle rays of the caudal fin black.</paragraph>
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</subSubSection>
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</treatment>
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</subSection>
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</document> |