Xenurobrycon polyancistrus
Xenurobrycon polyancistrus is a species of freshwater ray-finned fish belonging to the family Stevardiidae. A freshwater fish, it is the smallest species of characin in its family and order. Adults can grow up to long.
Distribution
This fish is found in the gallery forest pools adjacent to rivers in savannah areas of the Rio Mamore and Rio Isiboro drainages in Bolivia.It is also found in the Río Madre de Dios basin in Peru.