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| No. | Valid Name | Author | English Name |
| 1. | Triportheus albus | Cope, 1872 | |
| 2. | Triportheus angulatus | (Spix & Agassiz, 1829) | |
| 3. | Triportheus auritus | (Valenciennes, 1850) | |
| 4. | Triportheus brachipomus | (Valenciennes, 1850) | |
| 5. | Triportheus culter | (Cope, 1872) | |
| 6. | Triportheus curtus | (Garman, 1890) | |
| 7. | Triportheus elongatus | (Günther, 1864) | Elongate hatchetfish |
| 8. | Triportheus guentheri | (Garman, 1890) | |
| 9. | Triportheus magdalenae | (Steindachner, 1878) | |
| 10. | Triportheus nematurus | (Kner, 1858) | |
| 11. | Triportheus orinocensis | Malabarba, 2004 | |
| 12. | Triportheus pantanensis | Malabarba, 2004 | |
| 13. | Triportheus paranensis | (Günther, 1874) | Tetra |
| 14. | Triportheus pictus | (Garman, 1890) | |
| 15. | Triportheus rotundatus | (Jardine, 1841) | |
| 16. | Triportheus signatus | (Garman, 1890) | |
| 17. | Triportheus trifurcatus | (Castelnau, 1855) | |
| 18. | Triportheus venezuelensis | Malabarba, 2004 |