n = 2
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Cubanichthys cubensis | (Eigenmann, 1903) | Cubanichthys cubensis | Cyprinodontidae | Cuban killifish |
| Cubanichthys pengelleyi | (Fowler, 1939) | Cubanichthys pengelleyi | Cyprinodontidae | Jamaican killifish |