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Issue: Vol. 4387 No. 2: 27 Feb. 2018
Type: Article
Published: 2018-02-26
DOI: 10.11646/zootaxa.4387.2.3
Page range: 275–309
Abstract views: 249
PDF downloaded: 8

Taxonomic revision of the Cis-Andean species of Mylossoma Eigenmann & Kennedy, 1903 (Teleostei: Characiformes: Serrasalmidae)

Universidade Estadual Paulista, Departamento de Morfologia, Laboratório de Biologia e Genética de Peixes. Distrito de Rubião Júnior S/N, 18618-970 Botucatu, SP, Brazil.
Universidade Estadual Paulista, Departamento de Morfologia, Laboratório de Biologia e Genética de Peixes. Distrito de Rubião Júnior S/N, 18618-970 Botucatu, SP, Brazil.
Universidade Estadual de Maringá, Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura. Av. Colombo 5790, 87020-900 Maringá, PR, Brazil. Universidade Estadual de Maringá, Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais. Av. Colombo 5790, 87020-900 Maringá, PR, Brazil.
Pisces biodiversity freshwater fishes systematics taxonomy

Abstract

A revision of the cis-Andean species of Mylossoma is presented. Four species were recognized: M. albiscopum and M. aureum from the rio Amazonas and rio Orinoco basins; M. duriventre, from the rio Paraguai, lower rio Paraná and rio Uruguai basins; and M. unimaculatum, an endemic species from the Tocantins-Araguaia system. Both Mylossoma albiscopum and M. unimaculatum were removed from the synonymy of Mylossoma duriventre, which had its occurrence range restricted to the La Plata basin. The recognition of these four valid species corroborates the results of a previous DNA barcode study. Redescriptions of each species, and an identification key for the genus are provided.

 

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