Scavone, M.D.P. Julio Junior, H.F. Cytogenetics analysis and heterochromatin distribution in ZZ/ZW sex chromosomes of the mailed catfish Loricariichthys platymetopon (Loricariidae: Siluriformes) Subjects--Topical Terms: Peixe de Agua DoceCitogenetica AnimalCromossomaSexo