North American signal crayfish, which are like miniature lobsters, were originally brought to the UK 50 years ago to be farmed for European markets A man licensed by the Environment Agency to trap ...

Brits have already been warned about the danger it imposes to our wildlife. The small river creature is known as the American signal crayfish, which was brought over to the UK in fish farms in the 70s ...

ST. PETERSBURG, Fla.— The U.S. Fish and Wildlife Service today proposed to list the Black Creek crayfish as endangered under the Endangered Species Act. The Center for Biological Diversity petitioned ...