Coregonus reighardi


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Coregonus reighardi
Species Authority: (Koelz, 1924)
Common Name(s):
English Shortnose Cisco

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A1ae ver 2.3
Year Published: 1996
Date Assessed: 1996-08-01
Needs updating
Assessor(s): Gimenez Dixon, M.
This species is possibly extinct as no individuals have been collected since 1985 (Webb and Todd 1995). Todd and Smith (1980) concluded that populations of "C. reighardi dymondi" reported from lakes Superior and Nipigon actually are C. zenithicus (Todd and Smith 1980).
1994 Endangered (Groombridge 1994)
1990 Endangered (IUCN 1990)
1988 Vulnerable (IUCN Conservation Monitoring Centre 1988)
1986 Vulnerable (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description: Historical range included lakes Michigan, Ontario, and Huron.
Possibly extinct:
Canada; United States
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: Occurred in the upper zones of deepwater areas of lakes.
Systems: Freshwater

Threats [top]

Major Threat(s): Decline and extinction due to overfishing, and sea lamprey predation.

Citation: Gimenez Dixon, M. 1996. Coregonus reighardi. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 24 May 2015.
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