Coregonus megalops is a putative species of whitefish, part of the Coregonus lavaretus complex (European whitefish).Freyhof, J. 2011. Coregonus megalops. The IUCN Red List of Threatened Species 2011: e.T135674A4176873. . Retrieved 12 January 2023. Its distribution is in Sweden, Finland, and Russia.
In Sweden, the name C. megalops has referred to a form of whitefish known as the blåsik ("blue whitefish"). That is however no more considered a distinct species but a morphotype of Coregonus maraena ("Coregonus maraena morphotype megalops"), and not different from "Coregonus maraena morphotype nilssoni".Coregonus maraena morphotype megalops blåsik Artfakta. Artdatabanken, SLU
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