Clamworm, which belongs to the phylum of segment animals, is highly nutritious spineless marine life that lives at the bottom of seas. It is a natural living bait of good quality for the controlled breeding and cultivation of fishes, shrimps, shells and crabs. The clamworm’s body contains up to 68% protein, 45% amino acid, 26.70 ppm Vitamin E, 290ppm zinc, 100.6 iodine, 1.13 ppm selenium, 1000-2000 unit plasmin, thus, it is delicious seafood and excellent all-purpose fishing bait.Especially rich in fibrinolysis enzyme, the activating substance of zymogens and collagen enzyme, clamworm is the main raw material for the production of marine health food and marine biopharmaceuticals.