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Cottidae
White Sea Sculpin
Cottus gratzianowi
Six Point Three Centimeters Cottid Fish
Cottus gratzianowi is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is endemic to Russia. It inhabits the Ukhtomitsa River in the Onega River drainage.
- Class
- Teleosts
- Order
- Perches and Allies
- Family
- Cottidae
- Genus
- Cottus
- Maximum length
- 6.3 cm
- Water
- Freshwater
- Distribution
- Europe: Ukhtomitsa River in the Onega River drainage, White Sea basin, Russia.

