1, there is a thin black film coating on both sides of the abdomen of crucian carp, which is the most fishy and earthy part of the fish, and contains a lot of lipids, thick waist and lysozyme. Eating it by mistake can cause nausea, vomiting and abdominal pain.

2. Crucian carp is mainly an omnivorous fish that feeds on plants. It likes to live in groups and choose food. The meat is tender and has high nutritional value. Every100g of meat contains protein13g, fat 1 1 g, and contains a lot of minerals such as calcium, phosphorus and iron.

3. Carassius auratus has extremely high medicinal value, its nature is flat and sweet, it enters the stomach and kidney, and it has the effects of harmonizing middle energizer, tonifying deficiency, removing phlegm, warming stomach and nourishing middle energizer. Crucian carp is widely distributed and produced all over the country all year round, especially in February-April and August-65438+February. It is one of the important edible fish in China.

4. The maximum length of crucian carp is about 30 cm, and the habitat depth is 0 ~ 20 meters. It is non-toxic, economical to eat fish and inexpensive. It is mostly produced in the Yellow River basin, the Yangtze River basin and the Pearl River basin, among which Erhai crucian carp is the most famous.