Gymnocorymbus Explained

Gymnocorymbus is a genus of small characins from the Amazon, Paraguay, Orinoco, Courantyne, Gurupí and Parnaíba river basins in South America.^[1] These tetras are popular in the aquarium trade.

Species

There are currently 4 recognized species in this genus:

• Gymnocorymbus bondi (Fowler, 1911)
• Gymnocorymbus flaviolimai Benine, B. F. de Melo, R. M. C. Castro & C. de Oliveira, 2015^[1]
• Gymnocorymbus ternetzi (Boulenger, 1895) (Black tetra)
• Gymnocorymbus thayeri C. H. Eigenmann, 1908 (False black tetra)

Notes and References

1. Benine, R.C., Melo, B.F., Castro, R.M.C. & Oliveira, C. (2015): Taxonomic revision and molecular phylogeny of Gymnocorymbus Eigenmann, 1908 (Teleostei, Characiformes, Characidae). Zootaxa, 3956 (1): 1-28.