Coregonus johannae

Threats

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	SALMONIFORMES	SALMONIDAE

Scientific Name:

Coregonus johannae

Species Authority:

(Wagner, 1910)

Common Name/s:

English

–

Deepwater Cisco

Red List Category & Criteria:

Extinct ver 2.3

Year Published:

1996

Annotations:

Needs updating

Assessor/s:

World Conservation Monitoring Centre

History:

1994	–	Extinct (Groombridge 1994)
1990	–	Extinct (IUCN 1990)
1988	–	Extinct (IUCN Conservation Monitoring Centre 1988)
1986	–	Extinct (IUCN Conservation Monitoring Centre 1986)

Range Description:	This species formerly occurred in Lakes Huron and Michigan in the Great Lakes basin.
Countries:	Regionally extinct: Canada; United States
Range Map:	Click here to open the map viewer and explore range.

Habitat and Ecology:	Coregonus johannae was a demersal, freshwater species inhabiting the deeper portions of the lakes.
Systems:	Freshwater

Major Threat(s):	Commercial exploitation and predation by the Sea Lamprey were the main causes of the extinction of the Deepwater Cisco.

Major Threat(s):

Commercial exploitation and predation by the Sea Lamprey were the main causes of the extinction of the Deepwater Cisco.

	Baillie, J. and Groombridge, B. 1996. 1996 IUCN Red List of Threatened Animals. International Union for Conservation of Nature, Gland, Switzerland. Canadian Wildlife Service website: Species at Risk Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK. IUCN. 1990. 1990 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK. IUCN Conservation Monitoring Centre. 1986. 1986 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK. IUCN Conservation Monitoring Centre. 1988. 1988 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK. Scott, W.B. and Crossman, E.J. 1973 Freshwater fishes of Canada. (Reprinted 1990). Bulletin of Fisheries Research Board of Canada 184.

Baillie, J. and Groombridge, B. 1996. 1996 IUCN Red List of Threatened Animals. International Union for Conservation of Nature, Gland, Switzerland.

Canadian Wildlife Service website: Species at Risk

Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN. 1990. 1990 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1986. 1986 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

IUCN Conservation Monitoring Centre. 1988. 1988 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Scott, W.B. and Crossman, E.J. 1973 Freshwater fishes of Canada. (Reprinted 1990). Bulletin of Fisheries Research Board of Canada 184.

Citation:	World Conservation Monitoring Centre 1996. Coregonus johannae. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012.
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