乐生活Bluefin tuna (Thunnusthynnus) is one of the subclasses of Osteopoda, Spokefin, Perciformes, Mackerel, Mackerel, Mackerel, Mackerel and Mackerel, widely distributed in the Pacific and Atlantic waters of the Northern Hemisphere, with a depth of 0-985 meters and a body length of 458 cm. It is an oceanic migratory fish, active in groups and carnivorous, with fishes, cephalopods, and Atlantic waters. Crustaceans are food and can be used as food fish, fishing and aquaculture fish. Bluefin tuna is generally about 200 centimeters in length, up to 458 centimeters in maximum, weighing about 150 kilograms and up to 684 kilograms in maximum. Bluefin tuna is a very large species with the highest body near the center of the base of the first dorsal fin. The second dorsal fin is higher than the first; the pectoral fin is very short, less than 80% of the head length. There are swimming bladders. There were 34-43 gill rakes. The lower and ventral silvery-white transverse tangents alternating with the colorless points of the columns. The first dorsal fin is yellow or blue; the second is reddish-brown; the buttock fin and the fin are dark yellow and have black edges; the central tail keel ridge is black when the adult fish.
Source: Interactive Encyclopedia uux.cn
