Sea catfish, also known as chubby head fish, throwing bar fish, (fish light) fish and so on. There are about 800 species of small and medium-sized warm omnivorous fishes in Perciformes, which are common in shallow waters along the Yellow Sea and Bohai Sea in China. Catfish have big heads, big mouths and good teeth. Small eyes, wide and flat eye distance. Nearly cylindrical, thick at the front and slightly flat at the tail.

The body is covered with a small comb, with smooth skin, thick mucus, brownish gray back and milky white abdomen. The ventral fins are connected in a round shape, which acts as a sucker and can fix the body on a stone. Sexual maturity, pale yellow abdomen, red pelvic fins. Generally, the body length is 25-30cm, the tail weight is150-200g, the largest individual can reach more than 50cm, and the tail weight is more than 500g.

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According to research, the sea catfish is the shortest life-span guy among vertebrates, and it can only live for a few months in its life. Although life is short, the sea catfish does not waste its time. Its life is crazier than anyone else. They can hatch a baby in an instant, and then the baby will grow up happily and quickly under the protection of his father.

According to Food Materia Medica, sea catfish has the effects of "warming the middle warmer, benefiting qi, strengthening yang, strengthening tendons and benefiting blood vessels", and it is a good product for medicinal diet and food supplement. Modern medicine has proved that the content of vitamin A in catfish meat is high, which can promote the normal metabolism of the skin, keep the skin elastic and tender, and has the magical effect of beauty beauty.

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