Author: (Spix & Agassiz, 1829)
Comments: Occurs over sandy bottoms in rivers.  Usually forms schools.  Mainly diurnal (Ref. 9086).  Feeds on the fruits and seeds of Moraceae, Myrtaceae, Euphorbiaceae; Coleoptera, Orthoptera, Lepidoptera, and <i>Brachyplatystoma flavicans</i> (Ref. 9086); and on plankton, nekton, and crustaceans (Ref. 10615).