n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Rocio gemmata | Contreras-Balderas & Schmitter-Soto, 2007 | Rocio gemmata | Cichlidae | |
| Rocio ocotal | Schmitter-Soto, 2007 | Rocio ocotal | Cichlidae | |
| Rocio octofasciata | (Regan, 1903) | Rocio octofasciata | Cichlidae | Jack Dempsey |
| Rocio spinosissima | (Vaillant & Pellegrin, 1902) | Rocio spinosissima | Cichlidae |