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Type: Article
Published: 2019-02-14
Page range: 407–415
Abstract views: 59
PDF downloaded: 4

A new species of Hemigrammus Gill 1858 (Characiformes: Characidae) from the upper Rio Negro, Amazon basin, Brazil

Universidade Estadual Paulista (UNESP), Instituto de Biociências, Campus de Botucatu, Departamento de Zoologia, Laboratório de Ictiologia, R. Prof. Dr. Antonio C. W. Zanin, s/n, Rubião Jr, 18618-689, Botucatu, São Paulo, Brazil.
Universidade Estadual Paulista (UNESP), Instituto de Biociências, Campus de Botucatu, Departamento de Zoologia, Laboratório de Ictiologia, R. Prof. Dr. Antonio C. W. Zanin, s/n, Rubião Jr, 18618-689, Botucatu, São Paulo, Brazil.
Pisces Amazon basin freshwaters fishes Hyphessobrycon heterorhabdus-group Moenkhausia diktyota São Gabriel da Cachoeira

Abstract

A new species of Hemigrammus is described from the upper Rio Negro, Amazon basin, Brazil. The new species is distinguished from all congeners by its unique color pattern consisting of a single humeral blotch clearly spaced from a conspicuous midlateral dark stripe, which extends from fifth or sixth anteriormost vertical scale row to the basis of the middle caudal-fin rays. Comments on its putative relationships are provided.

 

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