Red marine fish sold in the market may be called oriental grouper, sequoia, red snapper, silver carp and so on. There are many red marine fish, but there are four common ones. Marine fish is rich in protein, fat, calcium, phosphorus, iodine and other nutrients, which has the functions of anti-aging and preventing cardiovascular and cerebrovascular diseases.

Oriental starfish is a kind of grouper. This fish is a fierce carnivore. It will swallow any fish it can eat without mercy, but it will not disturb the fish it can't swallow. You can interbreed with other kinds of groupers, but there will be fighting. Usually feed mainly marine fish, squid, shrimp and shellfish.

Sequoias are mainly distributed in the southern coastal areas of China. This kind of fish is long and flat, generally reaching about 19-3 1 cm. It has big eyes, thick lips, forked tail fins and blue and yellow longitudinal bands. Its dorsal fin and caudal fin are red.

Red snapper is not a kind of fish, but a general term for the genus Red snapper of the family Sparidae, with more than 20 species. Its body is red and looks slim. It is 8-20 cm long and usually lives on the bottom of the sea. Most of them feed on benthic animals and breed in late spring and early summer.

Silver carp, also known as Sparus macrocephalus, is a warm-water bottom fish, which is mostly found in tropical and subtropical waters. This fish has a red body and yellow spots on its fins. It swims slowly and is not good at long-distance migration.

Nutritional value of marine fish.

Marine fish is rich in high-quality protein, which helps to promote skin elasticity. It also contains a variety of vitamins A and E and unsaturated fatty acids, which can also act on the skin, promote melanin metabolism and promote skin smoothness and elasticity. Therefore, eating is good for beauty beauty.

Protein content in marine fish is not low, which is not only beneficial to beauty beauty, but also can enhance the intensity of humoral immunity. In addition, vitamin A contained in it can strengthen the antiviral ability of respiratory mucosa, so eating more than usual can enhance the body's immunity and prevent diseases to some extent.

Marine fish is rich in nutrients and contains a variety of phospholipids and unsaturated fatty acids. These nutrients can promote the development of brain cells, strengthen the activity of brain cells, improve memory and pituitrin, so eating it has a certain effect of benefiting IQ and helping memory, which is suitable for some elderly people with memory.