Category
page 1Gymnocorymbus

black tetra
species of fish

Gymnocorymbus
Gymnocorymbus is a genus of freshwater ray-finned fishes belonging to the family Acestrorhamphidae, the American characins. The fishes in this genus are found in the Amazon, Paraguay, Orinoco, Courantyne, Gurupí and Parnaíba river basins in South America. These tetras are popular in the aquarium trade.

Gymnocorymbus thayeri
species of fish