Fake crab meat is not as nutritious as real fish and seafood. Fake crab meat, also called imitation crab, does not contain any crab meat at all. Its Japanese name, surimi, actually means ground meat.Fake crab meat is made of various types of fish ground together into a paste. Imitation crab can be shaped to resemble crab legs or shrimps and is often used in Japanese fish salads and sushi because of its cheaper cost.he nutritional value of fake crab meat differs from real crab meat because of its ingredients. A 3-ounce serving of imitation crab provides 51 calories, 6.5 grams of protein, 0.4 gram of fat and close to 13 grams of carbohydrates.