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Issue: Vol. 2934 No. 1: 30 Jun. 2011
Type: Articles
Published: 2011-06-30
DOI: 10.11646/zootaxa.2934.1.3
Page range: 29–38
Abstract views: 30
PDF downloaded: 1

A new characid fish, Moenkhausia aurantia (Ostariophysi: Characiformes: Characidae), from the upper rio Tocantins basin in Central Brazil

Universidade Federal do Rio Grande do Sul, Instituto de Biociências, Departamento de Zoologia, Laboratório de Ictiologia, Av. Bento Gonçalves, 9500, 91501-970 Porto Alegre, RS, Brazil
Pontifícia Universidade Católica do Rio Grande do Sul, Museu de Ciências e Tecnologia, Setor de Ictiologia, Av. Ipiranga 6681, Caixa Postal 1491, 90619-900 Porto Alegre, RS, Brazil
Universidade Federal do Rio Grande do Sul, Instituto de Biociências, Departamento de Zoologia, Laboratório de Ictiologia, Av. Bento Gonçalves, 9500, 91501-970 Porto Alegre, RS, Brazil
Fish Tocantins-Araguaia basin Chapada dos Veadeiros Brazilian Cerrado Moenkhausia lopesi

Abstract

A new characid species, Moenkhausia aurantia, is described from the upper portions of rio Tocantins basin, in the Chapada dos Veadeiros, Goiás State, central Brazil. The new species differs from its congeners by the combination of 3 or 4 scale rows below and 5 or 6 scale rows above the lateral line, 21–25 branched anal-fin rays, 33–35 lateral line scales, 2–4 maxillary teeth, one diffuse humeral spot, and caudal spot continuous to the longitudinal line which extends posteriorly over the middle caudal-fin rays. A key to identify Moenkhausia species describe from the Tocantins-Araguaia basin is provided.

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