アメリカザリガニ
Invasive species pose a risk to freshwater bivalve populations. Specifically two invasive species of crayfish, "Procambarus clarkii" and "Pacifastacus leniusculus," are predators of the freshwater bivalve species "Anodonta anatina". In general, freshwater bivalves have predators such as raccoons, otters, some species of fish, and some species of turtles.