n = 9
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Ophiocara ambinensis | (Bleeker, 1853) | Butis amboinensis | Butidae | Olive flathead-gudgeon |
| Ophiocara aporos | (Bleeker, 1854) | Giuris margaritaceus | Eleotridae | Snakehead gudgeon |
| Ophiocara darwiniensis | (Macleay, 1878) | Ophiocara porocephala | Butidae | Northern mud gudgeon |
| Ophiocara limosus | (Smith, 1936) | Ophiocara porocephala | Butidae | Northern mud gudgeon |
| Ophiocara macrolepidota | (Bloch, 1792) | Ophiocara macrolepidota | Butidae | |
| Ophiocara porocaephala | (Valenciennes, 1837) | Ophiocara porocephala | Butidae | Northern mud gudgeon |
| Ophiocara porocephala | (Valenciennes, 1837) | Ophiocara porocephala | Butidae | Northern mud gudgeon |
| Ophiocara porocephala darwiniense | (Macleay, 1878) | Ophiocara porocephala | Butidae | Northern mud gudgeon |
| Ophiocara procaephala | (Valenciennes, 1837) | Ophiocara porocephala | Butidae | Northern mud gudgeon |