Grayling (Thymallus thymallus)

General data
- Main name: Grayling
- Climates: Temperate, Continental, Subpolar, Mountain
- Habitat: Freshwater
- Native: Europe
- Distribution: Neretva, Rhine, Dnieper, Torne, Loire, River Severn, View all... River Thames, River Wye, River Tay, Kemijoki, Narva, Adige, Mezen, Northern Dvina, Bann, Venta, Gauja, Trent, Great Ouse, River Tweed, Bristol Avon, River Eden (Cumbria), River Teifi, River Towy, River Ribble, River Tyne, River Nith, River Tees, River Taff, River Ely, Ume river, Pite River, Neiden River (Naatamo, Njavdamjohka), Kalix river (Kalixalven)
Classification
- Genus: Thymallus - Graylings
- Family: Salmonidae - Salmons and Trouts
- Order: Salmoniformes - Salmons and Trouts
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes