Prosopium
Temporal range:
Prosopium cylindraceum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Subfamily: Coregoninae
Genus: Prosopium
D. S. Jordan, 1878

Prosopium is a genus of freshwater whitefishes found in North America and parts of eastern Russia. It contains three fairly widespread species: the round whitefish, the pygmy whitefish, and the mountain whitefish. The remaining species, the Bonneville cisco, the Bonneville whitefish, and the Bear Lake whitefish are endemic to Bear Lake.

Species

There are currently six recognized species in this genus:[2]

ImageScientific nameCommon nameDistribution
Prosopium abyssicola (Snyder, 1919)Bear Lake whitefishBear Lake on the Utah-Idaho border
Prosopium coulterii (C. H. Eigenmann & R. S. Eigenmann, 1892)Pygmy whitefishmountain streams and lakes in western North America, it also has isolated populations in Lake Superior and in Ekityki Lake, Chukchi Peninsula.
Prosopium cylindraceum (Pennant, 1784)Round whitefishAlaska to New England, including the Great Lakes
Prosopium gemmifer (Snyder, 1919)Bonneville ciscoBear Lake on the Utah-Idaho border
Prosopium spilonotus (Snyder, 1919)Bonneville whitefishBear Lake on the Utah-Idaho border.
Prosopium williamsoni (Girard, 1856)Mountain whitefishMackenzie River drainage in Northwest Territories, Canada south through western Canada and the northwestern USA in the Pacific, Hudson Bay and upper Missouri River basins to the Truckee River drainage in Nevada and Sevier River drainage in Utah

References

  1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 8 January 2008.
  2. Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Prosopium in FishBase. February 2012 version.


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