Species profile

Crayfish Plague

Aphanomyces astaci

Invasive species

How we detect Crayfish Plague

Occurrence density

Where Crayfish Plague has been recorded

Aggregated occurrence records across its known range.

Crayfish plague is a water mold that infects crayfish, most notably the European Astacus which dies within a few weeks of being infected. When experimentally tested, species from Australia, New Guinea and Japan were also found to be susceptible to the infection.