of three in natura species of Brazilian fishes Brycon cephalus (matrinxã), B. microlepis
(piraputanga) and B. orbignyanus (piracanjuba). The non-native fishes were collected in
farms (cultured in pond and cages) near Maringá. The native species were collected in
Cuiabá–Manso rivers (B. microlepis), and Paraná river (B. orbignyanus) that belong to the
Platina hydrographic basin. Differences were observed (P< 0.05) for moisture (70.48 …