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Coregonus nobilis 

Scope: Global & Europe
Language: English
Status_ne_offStatus_dd_offStatus_lc_onStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Salmoniformes Salmonidae

Scientific Name: Coregonus nobilis Haack, 1882

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Freyhof, J. & Kottelat, M.
Reviewer(s): Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)
Justification:
Only known from Lake Vierwaldstätter (Lake Lucerne 102 km²). Thought to be extinct, due to eutrophication of the lake in the 1970s, but was re-discovered in early 2000s. The population seems to be on the increase as water quality improves. There are no known current, future or potential threats to the species as water quality is improving and there is strict controls on the introductions of species in Swiss lakes.

Geographic Range [top]

Range Description:Switzerland: Lake Vierwaldstätter.
Countries occurrence:
Native:
Switzerland
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Thought to be extinct, but was re-discovered in early 2000s. The population seems to be on the increase.
Current Population Trend:Increasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Habitat:
Lacustrine, pelagic, feeding at 5-30 m depth.

Biology:
In July-September, moves to depths of up to 80-200 m to spawn. Feeds on crustaceans.
Systems:Freshwater

Threats [top]

Major Threat(s): Eutrophication was thought to have caused the species to go extinct. Now conditions in the lake are improving.

Conservation Actions [top]

Conservation Actions: Improving water quality.

Citation: Freyhof, J. & Kottelat, M. 2008. Coregonus nobilis. The IUCN Red List of Threatened Species 2008: e.T135616A4162968. . Downloaded on 15 October 2018.
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