Crayfish pond in the wild fish medicine up can be fed to lobsters, but in order to ensure the health of the crayfish, it is recommended that the medicine up to the fish to take measures to freeze, to be fed on a period of time, add the appropriate amount can be. Earthworms are just one of the many crayfish bait, to achieve very good feeding results, simply rely on a bait feeding is unrealistic, will cause slow growth of crayfish and lack of malnutrition.