Description of a new species of Pareiorhina (Siluriformes: Neoplecostominae) from Rio São Francisco basin

A new species of Pareiorhina (Neoplecostominae) from the Rio São Francisco basin, Minas Gerais State, Brazil, is de-scribed. The new species is distinguished from its congeners (Pareiorhina brachyrhyncha, P. carrancas, and P. rudolphi) by traits related to small plates covered with odontodes randoml...

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Detalles Bibliográficos
Autores: Roxo, Fábio Fernandes [UNESP], De Souza Da Costa E Silva, Gabriel [UNESP], Mehanna, Mahmoud [UNESP], Oliveira, Claudio [UNESP]
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2012
País:Brasil
Institución:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:inglés
OAI Identifier:oai:repositorio.unesp.br:11449/226994
Acceso en línea:http://dx.doi.org/10.11646/zootaxa.3512.1.4
http://hdl.handle.net/11449/226994
Access Level:acceso abierto
Palabra clave:Cascudinhos
Catfish
Freshwater
Loricariidae
Neotropical region
South America
Descripción
Sumario:A new species of Pareiorhina (Neoplecostominae) from the Rio São Francisco basin, Minas Gerais State, Brazil, is de-scribed. The new species is distinguished from its congeners (Pareiorhina brachyrhyncha, P. carrancas, and P. rudolphi) by traits related to small plates covered with odontodes randomly distributed on the abdomen, minute lateral cusps on the teeth, pointed odontodes covering pectoral, pelvic, and anal-fin first rays, caudal-fin being completely dark with one hy-aline bar, absence of a ridge on the postdorsal surface of trunk, shape of premaxillae and dentaries, and by the absence of odontodes at the ventral tip of the snout. Copyright © 2012 · Magnolia Press.