|Scientific Name:||Coregonus pidschian (Gmelin, 1789)|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Freyhof, J. & Kottelat, M.|
|Reviewer(s):||Bogutskaya, N., & Smith, K. (IUCN Freshwater Biodiversity Unit)|
The species is found in the Arctic Ocean basin, from Finland (Lapland) to eastern Siberia, Alaska, Canada eastward to Mackenzie drainage. There no known major threats to the species.
|Previously published Red List assessments:|
|Range Description:||Arctic Ocean basin, from Finland (Lapland) to eastern Siberia, Alaska, Canada eastward to Mackenzie drainage.|
Native:Canada; Finland; Norway; Russian Federation; United States
|Range Map:||Click here to open the map viewer and explore range.|
|Current Population Trend:||Unknown|
|Habitat and Ecology:||Habitat: |
Lower reaches of rivers with slow current, large lakes with tributaries, floodplain lakes, deltas and estuaries, brackish waters. Rivers during migration.
Males reproduce for the first time at 4-7 years, females at 5-8. Migratory. In July-August, congregates in large schools and migrates upriver to spawning sites. Lacustrine-riverine stocks enter lake tributaries. Distance of migration varies, commonly not very long. Most individuals spawn annually in August-November, sometimes later, in smaller streams or shallows of larger rivers with heavy current over gravel or stone bottom. Lacustrine stocks not migratory. Female lays only a single portion of eggs. Adults migrate downriver to deeper holes of middle stretches to overwinter. Usually starts downstream migration to feeding areas with ice melting. Feeds mainly on large benthic invertebrates (molluscs, gammarids, mysids, chironomids) and plankton in summer, small fishes and terrestrial insects in autumn.
|Movement patterns:||Full Migrant|
|Major Threat(s):||No major threats known.|
|Conservation Actions:||No information.|
|Citation:||Freyhof, J. & Kottelat, M. 2008. Coregonus pidschian. The IUCN Red List of Threatened Species 2008: e.T5375A11125375.Downloaded on 23 November 2017.|
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