n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Electrophorus electricus | (Linnaeus, 1766) | Electrophorus electricus | Gymnotidae | Electric eel |
| Electrophorus multivalvulus | Nakashima, 1941 | Electrophorus electricus | Gymnotidae | Electric eel |
| Electrophorus varii | de Santana, Wosiacki, Crampton, Sabaj, Dillman, Mendes-Júnior & Castro e Castro, 2019 | Electrophorus varii | Gymnotidae | |
| Electrophorus voltai | de Santana, Wosiacki, Crampton, Sabaj, Dillman, Castro e C., Bastos & Vari, 2019 | Electrophorus voltai | Gymnotidae |