No. Tuna belongs to the tuna family, the tuna genus fish, while salmon belongs to the salmon family, the salmon genus fish, different in species classification. Tuna grows in seawater, belongs to the saltwater fish, while salmon grows in freshwater, belongs to the freshwater fish, and tuna meat is relatively astringent, less fat meat content, fish fiber content is more. The taste of salmon is very lubricated, melt in the mouth, fat content is more, the taste is more fresh. So tuna is not salmon.