Common fish in the market are: carp, herring, whitebait, silver carp, crucian carp, yellow croaker, perch, pomfret, salmon, moray eel, sardines and so on. Relative to100g body weight, we can know from the analysis chart of fat content from low to high.

Extended data 1. Rich in whole protein. Fish contains a lot of protein, such as yellow croaker 17.6%, hairtail 18. 1%, mackerel 2 1.4%, silver carp 18.6% and carp/kloc-.

2. Low fat content, mostly unsaturated fatty acids. The fat content of fish is generally low, and most of them are only 1% ~ 4%, such as yellow croaker 0.8%, hairtail 3.8%, mackerel 4%, silver carp 4.3%, carp 5%, crucian carp 1. 1% bighead carp (.

3. The content of inorganic salts and vitamins is high. Both marine fish and freshwater fish are rich in sulfur and also contain inorganic salts such as phosphorus, calcium and iron. Fish also contains a lot of vitamin A, vitamin D, vitamin B 1 and nicotinic acid. These are all nutrients that the human body needs.

Reference: Baidu Encyclopedia-Fish