Coregonus trybomi is a freshwater whitefish in the family Salmonidae. It is a spring-spawning type of cisco, which probably has evolved from sympatric vendace (Coregonus albula) independently in a number of Swedish lakes. Only one of those populations survives, and it is therefore considered Critically Endangered by the IUCN Red List. The status of Coregonus trybomi as a distinct species is however questionable.Vårsiklöja Sveriges Landsbrugsuniversitet By Swedish authorities it is treated as a morphotype or ecotype, not an independent species. It was listed as "Data Deficient" in 2010Vårsiklöja (Coregonus trybomi) Havs- och vattenmyndigheten. but excluded from the national red list in 2015.Rödlistade arter i Sverige 2015
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