Author: Reis & Borges, 2006
Comments: Specimens  were collected from a creek and in wide open environments, as river channels and bays of the upper Rio Paraguay basin in the periodically flooded areas known as the Pantanal.  Known to be a zooplanktivore which also eats insects.  Stomach contents predominantly has microcrustaceans (cladocerans, copepods and ostracods); insects (ephemeropterans, coleopterans and hemipterans); and/or small amounts of water mites, rotifers, fish scales, bryozoans, unidentified eggs, detritus, and sand (Ref. 57707).