1 PUCRS, Laboratory of Vertebrate Systematics, Av. Ipiranga, 6681, 90619-900, Porto Alegre, RS, Brazil.
2 University of Louisiana at Lafayette, Lafayette, LA, 70504-2451, U.S.A.
3 Universidade Federal do Rio de Janeiro (UFRJ), Núcleo em Ecologia e Desenvolvimento Socioambiental de Macaé (NUPEM), Grupo de Sistemática e Biologia Evolutiva, Caixa Postal 119331, 27910-970, Macaé, RJ, Brazil.
4 Museum of Comparative Zoology, Harvard University, 26 Oxford St, Cambridge, MA, 02138, U.S.A.
5 The Nature Conservancy and Section of Ichthyology, California Academy of Sciences, 55 Music Concourse Dr, San Francisco, CA, 94118, U.S.A.