Habits mainly in black or acidic waters in Amazonas State of Venezuela (High Orinoco).

Body discoid with the anterodorsal profile slightly curved in a "S" shape.

Head silver with methalic orange to red at mandibular region.

Body with greenish laterally and mixture of orange and red at the abdominal area.

Consuming smaller fish and attacking fins, juveniles include aquatic insects and crustaceans (shrimps).