Gymnocorymbus

Gymnocorymbus
Gymnocorymbus ternetzi
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Acestrorhamphidae
Subfamily: Pristellinae
Genus: Gymnocorymbus
C. H. Eigenmann, 1908

Gymnocorymbus is a genus of small characins from the Amazon, Paraguay, Orinoco, Courantyne, Gurupí and Parnaíba river basins in South America. These tetras are popular in the aquarium trade.