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A tuna (pl.: tunas or tuna) is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae family.The Thunnini comprise 17 species across five genera, [2] the sizes of which vary greatly, ranging from the bullet tuna (max length: 50 cm or 1.6 ft, weight: 1.8 kg or 4 lb) up to the Atlantic bluefin tuna (max length: 4.6 m or 15 ft, weight: 684 kg or 1,508 lb), which ...
Pacific bluefin tunas reach maturity at about 5 years of age, the generation length is estimated at 7–9 years and based on two separate sources the longevity is 15 years or 26 years. [3] At maturity it is about 1.5 m (4 ft 11 in) long and weighs about 60 kg (130 lb). [3]
All tunas are extremely strong, muscular swimmers, and the yellowfin tuna is known to reach speeds of up to 50 miles per hour (80 km/h) when pursuing prey. As with all tunas, members of this genus are warm-blooded , which is a rare trait among fish; this enables them to tolerate cold waters and to dive to deeper depths. [ 3 ]
The Atlantic bluefin tuna (Thunnus thynnus) is a species of tuna in the family Scombridae.It is variously known as the northern bluefin tuna (mainly when including Pacific bluefin as a subspecies), giant bluefin tuna (for individuals exceeding 150 kg [330 lb]), and formerly as the tunny.
The World Wildlife Fund and the Zoological Society of London jointly issued their "Living Blue Planet Report" on 16 September 2015 which states that a dramatic fall of 74% occurred in worldwide stocks of scombridae fish between 1970 and 2010, and the global overall "population sizes of mammals, birds, reptiles, amphibians and fish fell by half ...
The southern bluefin tuna (Thunnus maccoyii) is a tuna of the family Scombridae found in open southern Hemisphere waters of all the world's oceans mainly between 30°S and 50°S, to nearly 60°S. At up to 2.5 metres (8 ft 2 in) and weighing up to 260 kilograms (570 lb), it is among the larger bony fishes .
Image credits: semantic_satiation #3. A very well-known pop star's uncle offering information on said pop star for cash. Everything from baby pictures and videos, to her whereabouts.
The dogtooth tuna can reach a length of 190 to 248 centimetres (75 to 98 in) in males [3] [4] and a weight of 130 kilograms (287 lb). [5] The average length commonly observed is around 40 to 120 centimetres (16 to 47 in).