TY - SER AU - Scavone,M.D.P. AU - Julio Junior,H.F. TI - Cytogenetics analysis and heterochromatin distribution in ZZ/ZW sex chromosomes of the mailed catfish Loricariichthys platymetopon (Loricariidae: Siluriformes) KW - Peixe de Agua Doce KW - Citogenetica Animal KW - Cromossoma KW - Sexo ER -