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Ruffe (Gymnocephalus cernuus) occur widely in Eurasia. This species was accidentally introduced into Lake Superior and rapidly occupied the western part of the lake. Ruffe had a strong impact on populations of commercially important fish species and on commercial fishing. Our studies show that ruffe from Lake Superior are strongly infested by parasites specific to North America. These parasites cause severe pathology in ruffe because this host is less adapted to them.
Additional Publication Details
Effect of parasites on resistance to oxygen starvation in the ruff (sic) (Gymnocephalus cernuus)