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| Order | Family | English Common Name | Spanish Common Name | Portuguese Common Name | Scientific Name | |
| 1 | Characiformes | Characidae | Bloodfin Tetra | Tetra de Aletas Rojas | Aphyocharax anisitsi | |
| 2 | Erythrinidae | Golden Trahira | Tararira Ñata | Traira Pixuna | Hoplerythrinus unitaeniatus | |
| 3 | Wolf Fish | Tararira Común | Traíra | Hoplias argentinensis | ||
| 4 | Cypriniformes | Cyprinidae | Common Carp | Carpa Europea | Cyprinus carpio | |
| 5 | Lepisosteiformes | Lepisosteidae | Florida Gar | Pejelagarto de la Florida | Lepisosteus platyrhincus | |
| 6 | Mugiliformes | Mugilidae | Mullet | Lisa | Mugil brasiliensis |