Crayfish - Crayfish Plague

Crayfish Plague

Some crayfish suffer from a disease called crayfish plague, caused by the water mould Aphanomyces astaci. Species of the genus Astacus are particularly susceptible to infection, allowing the more resistant signal crayfish to invade parts of Europe. Crayfish plague was transmitted to Europe when North American species of crayfish were introduced.

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