Family Characidae (Characins)
Group with uncertain status ( Incertae Sedis )
Genus Gymnocorymbus.
Black Skirt Tetra — Gymnocorymbus ternetzi [Boulenger, 1895].
Hemigrammus bleheri, Hemigrammus coeruleus, Hemigrammus erythrozonus.
Astyanax kennedyi, Astyanax leopoldi, Astyanax mexicanus. 
