- 46 species from 11 families,
- at least 6 species are listed in the Red Data Books of the Russian Federation and Crimea.
There is a great diversity of fish species in the sea waters of the reserve: beluga, Russian sturgeon, stellate sturgeon, spiny dogfish, common stingray, thornback ray, Black Sea salmon, more than 3 species of herrings, 6 species of mullets (flathead, boxlip, golden grey, leaping, thicklip grey and redlip mullets), Trachurus, Mullus, garfish, Sarda, European anchovy, sprat, Syngnathus, a few species of Gobiidae, Black Sea turbot, European flounder, seahorse and East Atlantic peacock wrasse.