The Astyanax chico lives in the benthopelagic, freshwater environment.
In 2004, the fish species Astyanax chico was named "in honor to Francisco Alves "Chico" Mendes, a leader of rubber tappers who was a defender of the Amazonian rainforest. More
Astyanax chico is described from two tributaries of the río San Francisco located in the northwestern part of Argentina. Astyanax chico bears hooks on all fin rays of males like A. ojira, A. pynandi, A. stenohalinus, and A. troya. More
The new fish, which has been named Astyanax chico, has just been described by Casciotta and Alm�ron in Germany's Zoologische Abhandlungen journal. The tetra was collected from two tributaries of the R�o San Francisco in the northwestern part of Argentina. More