How white-clawed crayfish are threatened and how we are helping them.
Threats to white-clawed crayfish
The UK’s native white-clawed crayfish have been under attack from their American relative, the signal crayfish, since the 1970s. Signal crayfish carry a deadly plague that has killed off a large number of native white-clawed crayfish.
White-clawed crayfish are also threatened by competition for food and habitat from signal crayfish, and pollution.
How we are helping white-clawed crayfish
We have supported many partnership projects to help white-clawed crayfish over the past five years including:
- Byelaws to prevent the use of crayfish as live-bait for angling
- Non-native crayfish eradication research
- Surveys of crayfish populations
- Investigating the harvesting of native crayfish from the wild for use in a breeding programme.
For more information on white-clawed crayfish conservation see the UK Biodiversity Action Plan website.