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Issue: Vol. 4170 No. 3: 26 Sept. 2016
Type: Article
Published: 2016-09-26
DOI: 10.11646/zootaxa.4170.3.7
Page range: 539–552
Abstract views: 124
PDF downloaded: 2

Wrapped in flames: Corydoras hephaestus, a new remarkably colored species from the Rio Madeira basin (Teleostei: Callichthyidae)

Museu de Zoologia da Universidade de São Paulo, Av. Nazaré, 481, Ipiranga, 04299-970 São Paulo, SP, Brazil.
Universidade Estadual de Maringá. Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Av. Colombo, 5790, 87020-900 Maringá, Paraná, Brasil.
Universidade do Rio de Janeiro, Museu Nacional, Departamento de Vertebrados, Quinta da Boa Vista, 20940-040 Rio de Janeiro, RJ, Brazil.
Pisces Amazon Corydoradinae Fish Endemism Conservation

Abstract

A new species of Corydoras is described from the upper Rio Machado, Rio Madeira basin, Rondônia State, Brazil. The new species can be distinguished from its congeners by the absence of contact between the posterior process of the parieto-supraoccipital and the nuchal plate; a ventral laminar expansion of the infraorbital 1 conspicuously developed; and the posterior margin of the pectoral-fin spine with serrations along almost of its entire length, only lacking in the distal portion. Additionally, Corydoras hephaestus possesses dorsal and pectoral spines short, and exhibits an unusual color pattern in life. The conservation status of the new species and other endemic species are briefly commented.

 

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