| Species | Name Used in Reference |
|---|---|
| Eigenmannia humboldtii (Steindachner, 1878) | Eigenmannia humboldtii (p. ) |
| Eigenmannia virescens (Valenciennes, 1836) | Eigenmannia virescens (p. ) |
| Gymnotus carapo Linnaeus, 1758 | Gymnotus carapo (p. ) |
| Sternopygus macrurus (Bloch & Schneider, 1801) | Sternopygus macrurus (p. ) |