It is a marine fish widely distributed in the Indo Western Pacific region, commonly found along the coast of China. The body is slender, with a deep blue black color and silver luster on the sides. The mouth is small and pointed, and the two jaws have fine teeth. They usually live in rocky areas or near coral reefs near the coast, feeding on small fish, crustaceans, etc. Black snapper has delicious meat and rich nutrients, making it one of the favorite edible fish species among people. It also has certain medicinal value, and its meat and organs can be used to treat various diseases. The breeding season usually occurs in spring, when they gather in the nearshore reef areas to lay eggs. Due to overfishing, the population of black snapper has decreased and requires strengthened protection.