|Scope: Global & Europe|
|Scientific Name:||Coregonus restrictus Fatio, 1885|
|Red List Category & Criteria:||Extinct ver 3.1|
|Assessor(s):||Freyhof, J. & Kottelat, M.|
|Reviewer(s):||Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)|
Last recorded in 1890. Survey work in the 1950s found no Corgonus in the lake at all. The Corgonus that are present in the lake now originate from stocked individuals from other species. In 1950 it was already considered that eutrophication was responsible for the species extinction.
|Range Description:||Switzerland: Lake Morat.|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Last recorded in 1890. Survey work in the 1950s found no coregonus in the lake. The Coregons that are present in the lake now originate from stocked individuals from other species.|
|Habitat and Ecology:||Habitat: |
Lacustrine, in deep waters.
Spawns on sand or mud at 35-40 m deep, in January.
|Use and Trade:||Now extinct|
|Major Threat(s):||Eutrophication which happened before 1950s.|
|Citation:||Freyhof, J. & Kottelat, M. 2008. Coregonus restrictus. The IUCN Red List of Threatened Species 2008: e.T135570A4149314.Downloaded on 16 October 2018.|
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