Signal Crayfish – Invasive Species – Part 31
Invasive Species in USA Waterways – Part 31 Signal Crayfish Pacistacus leniusculus The signal crayfish is an invasive species of crayfish native to North America. West of the Rocky Mountains including British Columbia in Canada, Washington, Oregon and Idaho. Invasive to Europe where it was introduced to supplement the Scandinavian Crayfish, Astacus astacus, which we …
