Salmon provide a good source of high quality protein and the heart healthy omega-3 fatty acids. The fat and omega-3 content varies from one species to another. Total fat content ranges from approximately 4 to 11 grams per 3 ounce cooked serving. Omega-3 fatty acid content ranges from 700 to 1,800 milligrams of omega-3 fatty acids per 3 ounce cooked serving. A summary of the fat and omega-3 content of the six commercially important salmon species is provided in the chart below. Salmon is also a good source of a variety of vitamins and minerals.