This study is part of the "pacu" (Colossoma mitrei Berg 1895) project of biotecnology. The studies were conducted in areas of Pantanal, municipalities of Poconé and Barão de Melgaço (Mato Grosso, Brasil). In conjunction with the vegetation study, the stomach contents od 102 espécimes of "pacu" were analized. The results indicate that Colossoma mitrei's custom feeding is herbivorous.
Colossoma mitrei; vegetation; feeding; biometry