| Nominal Species (n = 9) | Present allocation (n = 5) | Ref. |
|---|---|---|
| Chaca bankanensis Bleeker, 1852 | Chaca bankanensis | 4537 |
| Chaca bankanensis (non Bleeker, 1852) | Chaca chaca | 41236 |
| Chaca buchanani Günther, 1864 | Chaca chaca | 41236 |
| Chaca burmensis Brown & Ferraris, 1988 | Chaca burmensis | 4833 |
| Platystacus chaca Hamilton, 1822 | Chaca chaca | 4833 |
| Chaca lophioides (non Cuvier & Valenciennes, 1832) | Chaca burmensis | 4833 |
| Chaca lophioides Cuvier & Valenciennes, 1832 | Chaca chaca | 4833 |
| Cyanogaster noctivaga Mattox, Britz, Toledo-Piza & Marinho, 2013 | Cyanogaster noctivaga | 93233 |
| Chaca serica Ng & Kottelat, 2012 | Chaca serica | 89888 |