| Scientific Name | Author | English Name |
|---|---|---|
| Cynodon gibbus | (Agassiz, 1829) | |
| Cynodon meionactis | Géry, Le Bail & Keith, 1999 | |
| Cynodon septenarius | Toledo-Piza, 2000 | |
| Hydrolycus armatus | (Jardine, 1841) | |
| Hydrolycus scomberoides | (Cuvier, 1819) | Payara |
| Hydrolycus tatauaia | Toledo-Piza, Menezes & Santos, 1999 | |
| Hydrolycus wallacei | Toledo-Piza, Menezes & Santos, 1999 | |
| Rhaphiodon vulpinus | Spix & Agassiz, 1829 | Biara |