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

My blue lobster just had babies—and they’re crawling all over the tank! Watch these tiny, bright blue crawfish emerge and ...

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

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

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 ...

For decades, the Signal Crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia, and parts of ...