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| No. | Valid Name | Author | English Name |
| 1. | Trematomus amphitreta | (Cziko & Cheng, 2006) | |
| 2. | Trematomus bernacchii | Boulenger, 1902 | Emerald rockcod |
| 3. | Trematomus brachysoma | Pappenheim, 1912 | Stocky rockcod |
| 4. | Trematomus eulepidotus | Regan, 1914 | Blunt scalyhead |
| 5. | Trematomus hansoni | Boulenger, 1902 | Striped rockcod |
| 6. | Trematomus lepidorhinus | (Pappenheim, 1911) | Slender scalyhead |
| 7. | Trematomus loennbergii | Regan, 1913 | Scaly rockcod |
| 8. | Trematomus newnesi | Boulenger, 1902 | Dusky rockcod |
| 9. | Trematomus nicolai | (Boulenger, 1902) | Spotted notothen |
| 10. | Trematomus peninsulae | (Daniels, 1981) | Pithead |
| 11. | Trematomus pennellii | Regan, 1914 | Sharp-spined notothenia |
| 12. | Trematomus scotti | (Boulenger, 1907) | Crowned rockcod |
| 13. | Trematomus tokarevi | Andriashev, 1978 | Bigeye notothen |
| 14. | Trematomus vicarius | Lönnberg, 1905 | Orange notothen |