Ruffe (Gymnocephalus cernua)
General data
- Main name: Ruffe
- Local names: Pope
- Climates: Temperate, Continental, Subpolar
- Habitat: Freshwater
- Native: Europe, Asia
- Introduced: North America
- Distribution: Volga, Ural, Struma (Strymonas), Lake Vrana, Don, Rhine, View all... Rhone, Dniester, Dnieper, Yenisey, Lake Baikal, Amu Darya, Vistula, Kolyma , River Ob, Loire, River Thames, Neva, Daugava (Western Dvina), Narva, Mezen, Northern Dvina, Gauja, Trent, Great Ouse, St. Lawrence River, Glomma, River Nene, Aura River (Aurajoki), Danube
Classification
- Genus: Gymnocephalus - Ruffies
- Family: Percidae - Perches
- Order: Perciformes - Perches
- Class: Actinopteri - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes
