Tuna species are important globally because of their high market demand and high price. The main attributes of these fish species include their flavor, nutritional value, and high lipid content. These fishes have a high proportion of eicosapentaenoic (EPA, 20:5n-3) and docosahexaenoic (DHA, 22:6n-3) acids, which are the longest n-3 fatty acids in foods.