n = 7
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Paracottus kessleri arachlensis | Tarchova, 1962 | Leocottus kesslerii | Cottidae | Kessler's sculpin |
| Paracottus kessleri gussinensis | Tarchova, 1962 | Leocottus kesslerii | Cottidae | Kessler's sculpin |
| Paracottus kessleri lubricus | Taliev, 1955 1955 | Leocottus kesslerii | Cottidae | Kessler's sculpin |
| Paracottus kneri | (Dybowski, 1874) | Paracottus knerii | Cottidae | Stone sculpin |
| Paracottus kneri putorania | Koryakov & Sidelov, 1976 | Paracottus knerii | Cottidae | Stone sculpin |
| Paracottus knerii | (Dybowski, 1874) | Paracottus knerii | Cottidae | Stone sculpin |
| Paracottus pelagicus | Taliev, 1955 | Leocottus kesslerii | Cottidae | Kessler's sculpin |