Researchers have identified two new crayfish species in the Pacific Northwest, long mistaken for the invasive Signal Crayfish ...

Two online aquatic animal suppliers were fined for shipping invasive crayfish to Wisconsin. The companies, based in North ...

Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks and Wildlife. This is the first time the ...

MADISON, Wis. (WBAY) - Two aquatic animal suppliers have been convicted in multiple counties of shipping illegal, invasive species of crayfish to Wisconsin, despite reported warnings from the ...

Authorities investigated and found shipments of suspected invasive crayfish into Wisconsin by the defendants. “In addition to companies learning the Wisconsin laws, we also advise consumers ...

GRAND JUNCTION, Colo. (KJCT) - On May 2, Colorado Parks and Wildlife (CPW) publicly confirmed the presence of the invasive and aggressive rusty crawfish species in the West Fork Little Thompson River.

Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks and Wildlife. This is the first time the ...