1. Salmon can be eaten raw. Salmon is rich in astaxanthin, an antioxidant. Because astaxanthin is afraid of high temperature, raw food can ensure that astaxanthin in salmon is not destroyed.

2. Oncorhynchus, also known as salmon, salmon and salmon, belongs to teleost, Salmoniformes and Salmon, mainly distributed in the waters bordering the Atlantic Ocean, the Pacific Ocean and the Arctic Ocean, and is a highly migratory fish with cold water, and is praised as the "Emperor of the Ice Sea" by the international food community. Studies have shown that both tuna and salmon are delicious and nutritious, and are rich in bioactive substances such as EPA and DHA.

3. There are more than 3 kinds of salmon with commercial value. At present, the most common ones are two kinds of trout (three-spotted trout and golden trout) and four kinds of salmon (Pacific salmon, Atlantic salmon, Arctic spotted salmon and silver salmon).