Sweden: Concern about crayfish plague in north Sweden

The Swedish Board of Fisheries (Fiskeriverket) has warned that attempts by private people to plant signal crayfish in watercourses and lakes in north Sweden is threatening to wipe out European crayfish. Signal crayfish can be bearers of crayfish plague without suffering from the disease, and the Board is concerned that European crayfish stocks in the north could be hard hit by the plague if signal crayfish are introduced in these waters.


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