Astacus
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Astacus is a genus of crayfish found in Europe, comprising three extant species and three somewhat contested extinct species. These crayfish are found across Europe and live exclusively in freshwater,
Crayfisch Astacus astacus
Astacus astacus
An adult A. astacus showing dark colouring as camouflage
Crayfish plague
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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
Astacus
…species. These crayfish are found across Europe and live exclusively in freshwater, mostly inhabiting the bottom of lakes, ponds, and streams. Due to the crayfish plague, crayfish of this genus have declined in many European regions, being replaced by the invasive North American signal crayfish, which carries the plague…
Kreeftenpest
Signal crayfish, rear view, from Grand Union Canal near its inflow/overflow with the River Nene.