Zaupa Silvia

Crayfish often become invasive when introduced to new waters. The mid-20th-century commercial import of North American species (e.g., Faxonius limosus, Pacifastacus leniusculus, Procambarus clarkii) into Europe for food, pets, and restocking after crayfish plague, succeeded due to their adaptability, high reproductive rates, and resilience. Extensive baited-trap monitoring of Piedmont lakes allowed us to confirm the occurrence of the Old Non-Indigenous Crayfish Species (F. limosus, P.