Watch Fighting Tuna series free. Its the biggest prize in the sea - Giant Bluefin Tuna. Weighing in between 320 and 1,500 pounds, these behemoths are the most expensive fish in the world, their price driven up by Japanese demand for sushi. The largest tuna swim north to the icy waters of the Atlantic Ocean where theyre caught the old-fashioned way: with rod and reel. In Discoverys all-new two part special FIGHTING TUNA, four captains vie for these high stakes fish using boats only a third the size of Bering Sea trawlers. Tossed by high waves and rough weather, they face down the worlds most powerful fish, an adversary capable of highway speeds. The payoff? A single fish can sell for $10,000.
