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Hemiodus iratapuru, a new species of Hemiodontidae from the Rio Jari, Amazon Basin, Brazil (Teleostei, Characiformes)

Authors

  • F. Langeani,

    Corresponding author
    • Universidade Estadual Paulista (UNESP), Laboratório de Ictiologia, Departamento de Zoologia e Botânica, Instituto de Biociências, Letras e Ciências Exatas, Rua Cristóvão Colombo, 2265, 15054-000, São José do Rio Preto, São Paulo, SP, Brazil
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  • C. R. Moreira

    1. Departamento de Ciências Biológicas, Universidade Federal de São Paulo, Diadema, SP, Brazil
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Author to whom correspondence should be addressed. Tel.: +55 17 32212367; email: langeani@ibilce.unesp.br

Abstract

Hemiodus iratapuru, a new species of the Hemiodontidae from the Rio Iratapuru, a left bank tributary of the Rio Jari, Amazon Basin, Brazil, is described. The new species is diagnosed from other species of Hemiodus by modifications in the ectopterygoid, tooth form, scale counts, dorsal-fin form and colour pattern. The new species is proposed to be related to the Hemiodus quadrimaculatus species group.

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