| Scientific Name | Author | English Name |
|---|---|---|
| Bathystethus cultratus | (Bloch & Schneider, 1801) | Grey knifefish |
| Bathystethus orientale | Regan, 1913 | Silver knifefish |
| Labracoglossa argenteiventris | Peters, 1866 | |
| Labracoglossa nitida | McCulloch & Waite, 1916 | Blue knifefish |
| Medialuna ancietae | Chirichigno F., 1987 | |
| Medialuna californiensis | (Steindachner, 1876) | Halfmoon |
| Scorpis aequipinnis | Richardson, 1848 | Sea sweep |
| Scorpis chilensis | Guichenot, 1848 | |
| Scorpis georgiana | Valenciennes, 1832 | Banded sweep |
| Scorpis lineolata | Kner, 1865 | Silver sweep |
| Scorpis violacea | (Hutton, 1873) | Blue maomao |