n = 5
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Mesogobius batrachocephalus | (Pallas, 1814) | Mesogobius batrachocephalus | Gobiidae | Knout goby |
| Mesogobius gymnotrachelus | (Kessler, 1857) | Babka gymnotrachelus | Gobiidae | Racer goby |
| Mesogobius gymnotrachelus otschakovinus | Zubovich, 1925 | Babka gymnotrachelus | Gobiidae | Racer goby |
| Mesogobius nigronotatus | (Kessler, 1877) | Mesogobius nigronotatus | Gobiidae | |
| Mesogobius nonultimus | (Iljin, 1936) | Mesogobius nonultimus | Gobiidae |