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Percidae
ruffe
Gymnocephalus cernua
Twenty Five Centimeters Percid Fish of European Waters
ruffe is a freshwater fish from Europe. It inhabits freshwater habitats. The largest recorded length is 25 cm.
- Class
- Teleosts
- Order
- Perches and Allies
- Family
- Percidae
- Genus
- Gymnocephalus
- Maximum length
- 25 cm
- Body shape
- fusiform
- Distribution
- Europe: Caspian, Black, Baltic and North Sea basins; Great Britain; north to about 69° N in Scandinavia. Asia: Aral Sea basin, Arctic Ocean basin eastward to Kolyma drainage. Several countries report adverse ecological impact after introduction.
- Conservation status
- LCLeast Concern

