Canned crab meat is processed crab meat that has been cleaned, half cooked and canned. Canned crab meat ca be bought commercially or be prepare at home and kept for future use. Crab meat is canned by using a pressure canner. There is very little or no fat in crab meat to be disposed off but all the cartilage and bones and scales has to be cleaned before it is canned. Canned crab meat is used in many preparations that include crab meat. Canned crab is easy to use and cook.