| Species | Name Used in Reference |
|---|---|
| Cyprinodon variegatus Lacepède, 1803 | Cyprinodon variegatus (p. ) |
| Lythrurus alegnotus (Snelson, 1972) | Lythrurus alegnotus (p. ) |
| Lythrurus umbratilis (Girard, 1856) | Lythrurus umbratilis (p. ) |
| Melanotaenia senckenbergiana (Weber, 1911) | Melanotaenia senckenbergianus (p. ) |
| Paratrygon aiereba (Müller & Henle, 1841) | Paratrygon aiereba (p. ) |