Crayfish are  a fresh water crustaceans with pink appearance and a sweet flavour. They make a good substitute for prawns in recipes. They are much lower in sodium and cholesterol than prawns, and like other shelfish, crayfish contain an excellent range of vitamins.

Crayfish are  a good source of vitamin E, which is linked with protection from arterial and heart disease and some cancers. They can also reduce the pain of arthritis.

Crayfish should be bought  live.

100 g of crayfish contains

• 77 Kcalories
• 1 g fat
• 16 g protein
• 2.2 mg niacin
• 2 mcg folate
• 2.8 mg vitamin E
• 31.5 mg selenium
• 27 mg magnesium
• 302 mg potassium
• 1.3 mg zinc
• 26 mg calcium
• 0.8 mg iron