2. Scallop belongs to mollusca, family Scallopidae, and is an important shellfish culture species in China. The main nutritional component of the edible part of scallop is protein, which is similar to fish and shrimp. It is an important aquatic food integrating food, medicine and nourishing. Scallops are widely distributed in all sea areas of the world. The dried scallop is called "scallop", which is a valuable sea treasure.