It is a common marine shellfish that is loved by people for its delicious meat and rich nutritional value. Shells are wedge-shaped, with a black brown surface and a gray blue interior, giving them a pearl like luster. Usually inhabiting coastal rocks, especially in areas with rapid seawater currents and clear water quality. It has strong resistance to adverse environments such as red tide and sewage, and mainly feeds on organic debris and diatoms. The reproductive ability is strong, and female clams can lay up to 25 million eggs. Strong vitality and easy to cultivate artificially. In terms of consumption, the meat is delicious, rich in protein, essential amino acids, vitamins, and minerals, and is known as the egg of the sea.

Mussels are marine organisms in the family Mytilidae of the phylum Mollusca. The shell is wedge-shaped, with a black brown surface, smooth and glossy; The growth pattern is fine and dense, and the inner surface of the shell is gray blue in color. The shell edge has a narrow edge where the outer skin is rolled in, and there are obvious scars on the adductor muscle and outer shell. The hinge has 2-5 granular small teeth; The ligament is slender and located at the dorsal edge of the shell, and is brown in color. Thin jacket, thick jacket edge. Mussels are widely distributed along the coast of China. Growing on coastal rocks, it mostly inhabits areas with rapid seawater currents and clear water quality, and has strong resistance to adverse environments such as red tide and sewage. Food is mainly composed of organic debris and diatoms.