n = 6
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Opisthocentrus dybowskii | (Steindachner, 1880) | Pholidapus dybowskii | Opisthocentridae | |
| Opisthocentrus ocellatus | (Tilesius, 1811) | Opisthocentrus ocellatus | Opisthocentridae | Ocellated blenny |
| Opisthocentrus ochotensis | Ueno, 1954 | Opisthocentrus ocellatus | Opisthocentridae | Ocellated blenny |
| Opisthocentrus reticulatus | Steindachner, 1881 | Opisthocentrus ocellatus | Opisthocentridae | Ocellated blenny |
| Opisthocentrus tenuis | Bean & Bean, 1897 | Opisthocentrus tenuis | Opisthocentridae | |
| Opisthocentrus zonope | Jordan & Snyder, 1902 | Opisthocentrus zonope | Opisthocentridae |