The UK's only native species has been under threat from the invasive American signal crayfish, which competes for food and carries disease, for decades. The 12ft-long (3.65m) crayfish sculpture at ...

because it can cause the spread of disease (known as the crayfish plague) from invasive signal crayfish to native white claw crayfish. This is fatal to native white claw crayfish. Trapping also ...

The newts live only in Oregon’s Crater Lake and their populations have crashed in recent years due to the expansion of introduced signal crayfish and warming lake temperatures from climate change.