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Issue: Vol. 4205 No. 6: 12 Dec. 2016
Type: Article
Published: 2016-12-12
DOI: 10.11646/zootaxa.4205.6.5
Page range: 571–580
Abstract views: 85
PDF downloaded: 1

A new large Myloplus Gill 1896 from rio Negro basin, Brazilian Amazon (Characiformes: Serrasalmidae)

Universidade Federal do Pará, Laboratório de Ictiologia do Grupo de Ecologia Aquática, Av. Perimetral, 2651, 66077-830, Belém, PA, Brazil.
Instituto Nacional de Pesquisas da Amazônia, Programa de Pós-Graduação em Biologia de Água Doce e Pesca Interior, Av. André Araújo, 2936, C.P. 2223, 69060-001, Manaus, AM, Brazil.
Instituto Nacional de Pesquisas da Amazônia, Programa de Pós-Graduação em Biologia de Água Doce e Pesca Interior, Av. André Araújo, 2936, C.P. 2223, 69060-001, Manaus, AM, Brazil.
Institut de Recherche pour le Développement, Biologie des Organismes et Ecosystèmes Aquatiques, Laboratoire d´Icthyologie, Muséum national d’Histoire naturelle, C.P. 26, 43 rue Cuvier, 75231 Paris Cedex 05, France.
Pisces Neotropical fishes Myleus taxonomy Alfred Russell Wallace Ostariophysi

Abstract

Myloplus lucienae, new species, is described from the blackwater tributaries of the rio Negro basin. It is one of the few Myloplus species typically found in rapid areas of the Guiana Shield. It is diagnosed from congeners by the combination of an elongated body, small prepelvic spines that reach anteriorly just to the middle of the abdomen between verticals through pectoral- and pelvic-fin origin, and large scales on flanks resulting in smaller scale counts.

 

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