Crayfish has a complete amino acid profile, highly digestible, considerable nutritive value with a superior biological value that is necessary for good health and normal growth. In addition, there is a healthy supply of vitamin D and A as well as calcium and potassium, copper and zinc in crayfish. It is also a very low carbohydrate food, and you can safely eat crayfish without putting on unwanted weight. Crayfish are tiny prawns popular for the delicious fish/prawn flavor they add to dishes and can be added to a variety of dishes. They are often available dried.