New species of the corumbataia cuestae group (Siluriformes: Loricariidae) from the rio tocantins basin, with comments on its phylogenetic relationships

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dc.contributor.authorThimotheo, Mateus Giovanni Rocha [UNESP]
dc.contributor.authorBenine, Ricardo Cardoso [UNESP]
dc.contributor.authorOliveira, Claudio [UNESP]
dc.contributor.authorE Silva, Gabriel de Souza da Costa [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2021-06-25T10:48:30Z
dc.date.available2021-06-25T10:48:30Z
dc.date.issued2020-01-01
dc.description.abstractA new species of Corumbataia is described from Rio Maranhão, Rio Tocantins basin, central Brazil. The new species is distinguished from all congeners by the presence of a small, naked area on snout tip; by having the abdomen covered with small platelets forming a shield which reaches the lateral mid-ventral plates; by the anterior profile of the head rounded in dorsal view; by the lower lip not reaching the transversal line of the pectoral girdle; and by the presence of 28 or 29 vertebrae. High genetic divergence in mitochondrial cytochrome c oxidase subunit I (COI) further supports the validity of this new species. Our phylogenetic analysis shows a derived subclade in Corumbataia, herein named as the Corumbataia cuestae group, composed of the new species plus C. cuestae, C. tocantinensis, C. britskii, C. liliai, and C. lucianoi. This group is defined by having a conspicuous crest of hypertrophied odontodes on head; absence of the adipose fin or a single series of platelets at adipose-fin position; and anastomosis of the infraorbital and otic sensory canals over the pterotic-supracleithrum. Here we also restrict the distribution of C. tocantinensis to the Rio Araguaia basin.en
dc.description.affiliationLaboratório de Ictiologia Setor de Zoologia Campus de Botucatu Universidade Estadual Paulista IBB/UNESP
dc.description.affiliationLaboratório de Biologia e Genética de Peixes Departamento de Biologia Estrutural e Funcional Instituto de Biociências Universidade Estadual Paulista IBB/UNESP, R. Prof. Dr. Antonio C.W. Zanin, 250
dc.description.affiliationUnespLaboratório de Ictiologia Setor de Zoologia Campus de Botucatu Universidade Estadual Paulista IBB/UNESP
dc.description.affiliationUnespLaboratório de Biologia e Genética de Peixes Departamento de Biologia Estrutural e Funcional Instituto de Biociências Universidade Estadual Paulista IBB/UNESP, R. Prof. Dr. Antonio C.W. Zanin, 250
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdFAPESP: 2014/26508-3
dc.description.sponsorshipIdFAPESP: 2016/09204-6
dc.description.sponsorshipIdFAPESP: 2018/20610-1
dc.description.sponsorshipIdCNPq: 306054/2006-0
dc.description.sponsorshipIdCNPq: 307975/2019-3
dc.format.extent1-16
dc.identifierhttp://dx.doi.org/10.1590/1982-0224-2020-0060
dc.identifier.citationNeotropical Ichthyology, v. 18, n. 4, p. 1-16, 2020.
dc.identifier.doi10.1590/1982-0224-2020-0060
dc.identifier.fileS1679-62252020000400207.pdf
dc.identifier.issn1982-0224
dc.identifier.issn1679-6225
dc.identifier.scieloS1679-62252020000400207
dc.identifier.scopus2-s2.0-85098769683
dc.identifier.urihttp://hdl.handle.net/11449/207072
dc.language.isoeng
dc.relation.ispartofNeotropical Ichthyology
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCentral Brazil
dc.subjectCytochrome C Oxidase
dc.subjectDiversity
dc.subjectFreshwater fishes
dc.subjectHypoptopomatinae
dc.titleNew species of the corumbataia cuestae group (Siluriformes: Loricariidae) from the rio tocantins basin, with comments on its phylogenetic relationshipsen
dc.typeArtigo

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