For decades, the signal crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia, and ...

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

One of the biggest risks to native crayfish is people moving species between ecosystems and waterways. Whether this movement is intentional through fishing bait or aquaculture, or unintentional ...

explained in a statement after the 2022 discoveries that “release of aquarium life” is “a key means by which invasive species such as these crayfish are introduced.” More: Meet Poppy the ...

Whether this movement is intentional through fishing bait or aquaculture, or unintentional through classroom releases and aquarium dumps, Larson warns against moving crayfish; one introduction of ...