The biggest difference between river fish and sea fish lies in the growing environment. In fact, strictly speaking, river fish should be called freshwater fish, such as silver carp, Wuchang fish, tilapia and eel. Marine fish include hairtail, tuna, large yellow croaker, salmon and turbot.

Whether freshwater fish or marine fish, their nutritional components are basically the same, and their total nutritional value is very high. First of all, fish is rich in protein, and the quantity and proportion of essential amino acids are most suitable for human needs, which is a good source for human to ingest protein. Secondly, fish contains less fat and is mostly composed of unsaturated fatty acids. The absorption rate of human body can reach 95%, which has the functions of lowering cholesterol and preventing cardiovascular and cerebrovascular diseases. ? Thirdly, fish is rich in minerals such as iron, phosphorus and calcium. The liver of fish contains a lot of vitamin A and vitamin D, and the muscle fiber of fish is very short and has high water content, so the meat is tender and easier to absorb than the meat of livestock and poultry. Fish is more beneficial to people's health than food with high nutritional value but not easy to absorb.

For marine fish, it is absolutely unnecessary to do so. For sea people, the most basic way to eat is steamed fish. Don't worry that the fishy smell of fish will affect the food, and the hot pot has food, which is different from freshwater fish and rarely goes back to stir fry.

Although it seems that marine fish has so many benefits, it is not suitable for everyone, and the more you eat, the better. This is because there is a high content of histidine in marine fish, which is also the reason why many people are allergic to seafood. Therefore, although seafood looks good, many people can't touch it, and it is also very uncomfortable.