Salmon, also known as salmon, salmon and salmon, belongs to bony fish, Salmoniformes and salmon. It is mainly distributed in the waters at the junction of the Atlantic Ocean, the Pacific Ocean and the Arctic Ocean. It is a cold-water highly migratory fish and is praised as the "Emperor of the Ice Sea" by the international food community. Salmon is full of treasures. According to the characteristics of each part, the most suitable cooking method can be used to make all kinds of delicious food. The head is rich in oil and collagen, suitable for steaming, stewing, boiling soup, baking and so on. Fish fillets are delicate in meat and low in oil content, and can be sashimi; Fish tail can be used as soup base or soup base; Fish brisket is the most fat part of salmon and the best raw material for sashimi.

2. Tuna

Tuna belongs to teleost, Perciformes and Sparidae. From the perspective of fishery utilization, tuna can be divided into six types: yellowfin tuna, bigeye tuna, bluefin tuna, albacore tuna, bonito and Ma Su tuna. Tuna is tender and delicious, with a high content of protein. It is rich in bioactive polyunsaturated fatty acids such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). At the same time, methionine, taurine, minerals and vitamins are rich in content, which contributes to liver function and protects drinkers. It is a green and pollution-free healthy food recommended by the International Nutrition Association.

Cod belongs to Vertebrate phylum, Vertebrate Subphylum, Main Gate and Coding Order. Cod are mostly cold-water fish living at the bottom of the ocean and in the middle and lower layers of the deep sea, which are widely distributed in the oceans of the world. Among them, there are many world-class important economic fish in Pinctaceae and Haddock, which have high economic value. The meat of cod is white, thin, tender, thick, with few thorns, and the meat is sweet but not greasy. The swim bladder can replenish blood and stop bleeding; Cod bone can cure beriberi; Cod pancreas contains a lot of insulin, and 1kg pancreas can extract 12000IU insulin. Cod liver oil can be extracted with cod liver oil. It is the main edible fish in many countries in the world.