Noble crayfish (Astacus astacus) is an endangered endemic species in Europe and in Finland and is listed as vulnerable in the IUCN red list.
In the long term, improving the status of noble crayfish stocks and preventing the accidental spreading of crayfish plague and alien crayfish.
This message ties together the three themes: i) crayfish plague is the biggest threat for noble crayfish; ii) noble crayfish requires conservation actions and iii) alien species pose a threat to native ones.
Keywords:crayfish plague, crayfish plague prevalence, quantitative PCR, noble crayfish stocks, crayfish restocking, health monitoring
Diagnostic methods for confirming the presence of crayfish plague and population level sampling procedures for noble crayfish stocks will be tested and specified.
Results:Guidelines for monitoring the health of noble crayfish stocks and policies for transfer and restocking.
Summary:Crayfish plague research has revealed that crayfish plague does not always kill noble crayfish rapidly.