Loach is divided into sand loach, true loach, and yellow loach. They are distributed in fresh water all over China. They often live in the bottom silt of paddy fields, ponds, and ditches. They like plankton, small crustaceans, etc., and they also eat plant debris. , Algae, etc.; the loach enters the breeding season from April to August every year. After the second instar, the sexually mature loach begins to lay eggs. The larger the individual, the more eggs will be laid. Loach meat is delicious, nutritious, rich in protein quality, as well as a variety of vitamins, and has medicinal value, is one of the favorite aquatic share.