Tuna are the largest fish of the mackerel family. Hunted as game and for food, the family includes the little tuna (weighing 10 pounds / 4.5 kilograms) of the Atlantic, the most important commercial variety of tuna. The bluefin tuna (Thunnus thynnus) are the giant of bony fishes (200-500 pounds / 90-225 kilograms). Finally, the Pacific albacore (up to 60 pounds / 27 kilograms) are marketed as whitemeat tuna.
