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Coregonus zugensis 

Scope: Global & Europe
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Salmoniformes Salmonidae

Scientific Name: Coregonus zugensis Nüsslin, 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:
The species is known from Lakes Vierwaldstätter (102 km²), and possibly also Alpnach (3 km²) and Sarnen (7 km²) and was extirpated from Lake Zug (31 km²) before 1950. The species is very abundant in Lake Vierwaldstätter where there is no known current or future threat. There is also no potential threat from introduced species due to the strict management of the Swiss lakes.

Geographic Range [top]

Range Description:Switzerland: Lakes Vierwaldstätter, Zug and possibly Alpnach and Sarnen.
Countries occurrence:
Native:
Switzerland
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Extirpate in Zug (before 1950). Very abundant in Vierwaldstätter.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Habitat:
Lacustrine, pelagic feeder.

Biology:
Most individuals spawn in November-December, at depths of 20-80 m, along littoral slope. In lake Vierwaldstätter, a very rare "albeli" is spawning in July-August. Its identity needs further investigations. Feeds on zooplankton and insect nymphs.
Systems:Freshwater

Threats [top]

Major Threat(s): No current threats to the species are known.

Conservation Actions [top]

Conservation Actions: No information.

Citation: Freyhof, J. & Kottelat, M. 2008. Coregonus zugensis. The IUCN Red List of Threatened Species 2008: e.T135618A4163232. . Downloaded on 16 October 2018.
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