The Arctic cisco (C. autumnalis), the Bering cisco (C. laurettae), and the sardine cisco (C. sardinella) are anadromous, moving between salt water and fresh water.
The blackfin cisco (C. nigripinnis), the deepwater cisco (C. johannae), and the longjaw cisco (C. alpenae) became extinct in the last half of the twentieth century. The shortnose cisco (C. reighardi) may also be extinct and is so considered by the U.S. Fish and Wildlife Service, although IUCN classifies it as Critically Endangered. IUCN considers several other species of whitefish to be Vulnerable. All Coregonus species are protected under appendix III of the Bern Convention.
Division of Endangered Species. U.S. Fish and Wildlife Service. "Extinct Species List" (http://midwest.fws.gov/endangered/lists/extinct.html). Fort Snelling, Minn.: U.S. Fish and Wildlife Service, n.d. Accessed 12 December2004.
"Coregonidae (Whitefishes)" (http://home.planet.nl/~zoete004/coregon.htm). The Fish Jukebox. Accessed on 17 December2004.
WHITEFISH, a collective name applied in different countries to very different kinds of freshwater fishes.
The numerous European species of the Cyprinoid genus Leuciscus are frequently comprised under the name of "Whitefish," but the term is employed here for the various species of the Salmonoid genus Coregonus.
The highly esteemed "lavaret" of Savoy, the "felchen," "kilch," "gangfisch," "palee," "gravenche," "fera" or Switzerland and southern Germany, the "sik" of Sweden, belong to this genus, which is represented in British and Irish waters by the houting (C.
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