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There are more than 30 species of salmon with commercial value. Currently, the most common ones are 2 species of trout (salmon trout and golden trout) and 4 species of salmon (Pacific salmon, Atlantic salmon, Arctic white salmon, and coho salmon).

Salmon, also known as salmon, salmon, and salmon, belongs to the class Teleost, order Salmoniformes, and genus 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 regarded as an international delicacy.

Known as the "King of Ice and Sea".