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Issue: Vol. 2113 No. 1: 20 May. 2009
Type: Article
Published: 2009-05-20
DOI: 10.11646/zootaxa.2113.1.3
Page range: 55–62
Abstract views: 24
PDF downloaded: 2

New species of Achirus (Pleuronectiformes: Achiridae) from Northeastern Brazil

Laboratório de Ictiologia, Depto. de Sistemática e Ecologia, Universidade Federal da Paraíba, Cidade Universitária, 58059-900, João Pessoa, PB, Brazil
Laboratório de Ictiologia, Depto. de Sistemática e Ecologia, Universidade Federal da Paraíba, Cidade Universitária, 58059-900, João Pessoa, PB, Brazil
Laboratório de Ictiologia, Depto. de Ciências Biológicas, Universidade Estadual de Feira de Santana, Campus Universitário, 44031-460, Feira de Santana, BA, Brazil
Fish American sole flatfishes taxonomy

Abstract

Eight species are considered valid in the genus Achirus (Lacépède), distributed on both sides of the Americas, mainly in marine and estuarine waters with A. novoae being the only species of this genus restricted to freshwaters of the Orinoco basin and its delta. A new species, A. mucuri, is described from the estuary of the Mucuri River, a small system in Bahia state, northeastern Brazil. A. mucuri differs from congeners, except A. novoae, in having a connection between the branchiostegal membrane and the isthmus. A. mucuri differs from A. novoae in its labial fimbriae and latero-sensory cephalic canal pattern.

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