: You must have written permission from the Environment Agency to trap them yourself.

The ( Pacifastacus leniusculus ) is one of the UK’s most complicated crustaceans. While they are a delicious, lobster-like delicacy, they are also a highly invasive species that poses a significant threat to native wildlife. Because of their impact on the environment, buying and handling them is strictly regulated by law. Where to Buy Signal Crayfish in the UK

: A creamy dill and lemon dressing salad, often served on toast.

Due to strict invasive species laws, you generally cannot buy signal crayfish for personal use unless you are a licensed commercial processor. However, you can easily purchase them processed or frozen:

: Major chains such as Tesco and Asda stock ready-to-eat crayfish tails in their chilled seafood sections.