Koshewnikow's Sculpin
Cottus koshewnikowi
- Least concern
- Card rarity: Common
- Fish

Cottus koshewnikowi, Koshewnikow's sculpin, is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It inhabits the upper Volga drainage in Russia and drainages of the northern and eastern Baltic Sea from Estonia eastward and northward to Finland and northern Sweden.
Classification
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Cottidae
- Genus
- Cottus