Rusty crayfish remain an issue in Torch Lake, hindering native species

The Problem

Crayfish invasion in Berlin

A large, rusty-red crayfish lurks in the murky depths of a stagnant pond, its formidable claws poised for action. Its exoskeleton is covered in algae, blending seamlessly with the muddy bottom.

'Invasive' rusty crayfish discovered at Lake Granby

Invasive crayfish found in Minnesota’s Lake Winona

Crayfish Conservation in Missouri | U.S. Fish & Wildlife Service

Rusty crayfish found in Lake Granby, invasive species could threaten Colorado River Basin