Coregonus alpenae


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Coregonus alpenae
Species Authority: (Koelz, 1924)
Common Name(s):
English Longjaw Cisco
Spanish Salmoneja Boquigrande
Taxonomic Notes: Eschmeyer notes that this species was regarded as a synonym of Coregonus zenithicus by Lee et al. (1980), but was then recognised as a valid species by Smith (1985) and by Scott and Crossman (1998). However, FishBase list C. alpenae as a synonym of C. zenithicus following Page and Burr (1991).

Assessment Information [top]

Red List Category & Criteria: Extinct ver 2.3
Year Published: 1996
Date Assessed: 1996-08-01
Needs updating
Assessor(s): World Conservation Monitoring Centre
1994 Extinct (Groombridge 1994)
1990 Extinct (IUCN 1990)
1988 Extinct (IUCN Conservation Monitoring Centre 1988)
1986 Extinct (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description: The Longjaw Cisco was known from Great Slave Lake, Northwest Territories in the United States, and Hudson Bay and the Great Lakes basin (except Lakes Ontario and Erie), Canada.
Regionally extinct:
Canada; United States
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species was last recorded in 1978.

Habitat and Ecology [top]

Habitat and Ecology: This demersal, freshwater species formerly was found in deep waters of freshwater lakes.
Systems: Freshwater

Threats [top]

Major Threat(s): Over-exploitation by humans and predation by Sea Lampreys were the main causes of the decline of the Longjaw Cisco populations. Environmental changes may also have served to limit their populations.

Citation: World Conservation Monitoring Centre 1996. Coregonus alpenae. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 31 March 2015.
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