A Midlands conservation group has successfully relocated a group of crayfish into a protected site, marking a significant milestone in efforts to save the UK's only native crayfish species from ...

A stream which is home to one of West Yorkshire's last remaining populations of endangered white-clawed crayfish has been awarded protected status. Luddenden Brook, at Jerusalem Farm nature ...

David Harpley from the Cumbria Wildlife Trust said the river was "famous for white clawed crayfish" that were "likely to be affected by poor water chemistry".

Aggressive American signal crayfish are threatening Britain's native white-clawed crayfish populations because they have better resistance to parasites and are less fussy about what they eat.

White-clawed crayfish The UK is home to a quarter of the world's population, but numbers are declining massively, and global extinction is a frightening but real possibility.

The highly endangered white-clawed crayfish is being reintroduced to Swiss rivers after alarming population decline.

White-clawed crayfish are being killed off by American signal crayfish Hundreds of endangered crayfish have been moved to six new refuge sites to allow them to breed safely. White-clawed crayfish ...

Plague carrier It was Sweden, unfortunately, that imported a self-immune carrier of the plague, the American, red-clawed signal crayfish, Pacifastacus leniusculus.

Huge efforts are underway to help support the endangered white-clawed crayfish which is under threat from its American cousins.

The white-clawed crayfish is only found in a handful of places in Worcestershire including the catchment of Whippets Brook in Malvern. The brook runs just north of Cales Farm, land which has just ...

Crayfish trapping doesn't work, new research suggests, and the practice may have unintended negative consequences for freshwater ecosystems in Britain.

A stream which is home to one of West Yorkshire's last remaining populations of endangered white-clawed crayfish has been awarded protected status. Luddenden Brook, at Jerusalem Farm nature ...