Recent dispersal and diversification within the clingfish genus Acyrtus (Actinopterygii: Gobiesocidae), with the description of a new western Atlantic species

Thais L. Quintão, João Luiz Gasparini, Jean-Christophe Joyeux, Luiz A. Rocha & Hudson T. Pinheiro
Abstract The genus Acyrtus (Gobiesocidae) is represented by four valid species distributed in the western Atlantic, and a recently described fifth species from the eastern Pacific. Here, we describe a new species endemic to Trindade Island, Brazil, and provide the first phylogenetic inference for the genus including all representatives. The new species can be distinguished from all its congeners by meristic and morphometric characters, as well as genetic differences. It presents low genetic diversity and,...
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