Second Nematocharax species described

For further information download the full, open access paper: Negreiros de Bragança, P. H., M. A. Barbosa and J. L. Mattos, 2013. A new Nematocharax species from the middle Contas River basin, Northeastern Brazil (Characiformes: Characidae). Vertebrate Zoology 63(1): 3-8
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