American signal crayfish were brought over to UK in the 1970s to be farmed for the food industry. They escaped from captivity and spread prolifically in our rivers, streams and ponds, leaving ...

The UK native white-clawed crayfish (Austropotamobius ... in the project to save Sheffield's native crayfish were brought together as the Sheffield Crayfish Working Group, who’s members are drawn from ...

Marwell Zoo opened a new Native Species Zone, which features Hampshire’s first white-clawed crayfish conservation breeding centre.