Deep-sea fish mainly refer to bony fish in the deep sea. Shallow water fish, as its name implies, are fish that grow in shallow water. Generally speaking, freshwater fish live in waters with salinity below 0.05%. Similarly, fish in shallow water are called freshwater fish. Deep-sea fish contain a lot of DHA, which is not only beneficial to brain and vision development. But also helps to maintain good eyesight. Therefore, DHA is often supplemented specifically for this purpose, because DHA is an indispensable nutrition for the human body.

It is generally believed that the nutritional value of deep-sea fish is higher. First, deep-sea fish are rich in fish oil, and they are all unsaturated fatty acids, such as DHA. In addition, the content of vitamin A in deep-sea fish is extremely high and its activity is extremely strong. Second, deep-sea fish are mostly high-quality and high-protein foods, which are easy to digest and absorb, and are also suitable for the gastrointestinal tract of the elderly and children. Compared with deep-sea fish, freshwater fish will have much less unsaturated fatty acids and much less vitamin A content. Protein content is ok, but the meat quality may be worse than that of marine fish.

Marine fish has a good protective effect on the heart and brain. Eating more marine fish will greatly improve your immunity. Water fish is extremely rich in nutrition, especially contains a lot of nutrients, which makes the content of minerals and vitamins in water fish higher. In addition, the liver oil and body oil of marine fish contain a terrestrial oil. Some animals do not have highly unsaturated fatty acids, which contain so-called me. Most of the marine fish eaten by children are perciformes, and a large part of freshwater fish are also this kind of fish. The most important fish of this kind. The great advantage is that there are no small fishbones, no small fishbones, which is simply a great setting.

Freshwater fish, except perch, have similar nutrients, which doesn't mean they are all. The nutritional value is exactly the same. Marine fish has more nutrients than river fish, and its nutritional value is slightly better. Marine fish is extremely rich in nutrients, especially contains a lot of nutrients, which makes the minerals and nutrients of marine fish divided into deep-sea fish and shallow-sea fish. Fish in shallow water are similar to river fish, and have a muddy smell. If there is no deep-sea fish, then some people will choose deep-sea fish because of its taste. Because of years of exercise, the muscle elasticity of marine fish is better. Most of freshwater fish are farmed artificially, and they are mixed to die every day, so the taste is naturally not as good as that of Shanghai fish.