Author: Soares-Porto, Walsh, Nico & Netto, 1999
Comments: Nocturnally active, inhabiting open waters of black-water streams and rivers.  Taken near the surface in or near the main channels of rivers with moderate flow.  The stomach contents of one specimen taken from the Rio Asisa include adult dipterans, including one whole individual of Sciaridae and large wing fragment of a Ceratopogonidae.  Matures at 1.5-2.2 cm SL.