Common whitefish

Coregonus lavaretus is a species of freshwater whitefish, in the family Salmonidae. It is the type species of its genus Coregonus. There are widely different concepts about the number of species in the genus Coregonus and the delimitation of the species Coregonus lavaretus. In a narrow sense, Coregonus lavaretus, or the lavaret, is considered to be endemic to Lake Bourget and Lake Aiguebelette in the Rhône river basin in France, whereas it formerly also occurred in Lake Geneva. According to this view there is a great number of distinct whitefish species in lakes, rivers and brackish waters of Central and Northern Europe. In the broad sense, Coregonus lavaretus, referred to as the common whitefish or European whitefish, is widespread...