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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 ...
The Atlantic bluefin tuna is a close relative of one of the other two bluefin tuna species, the Pacific bluefin tuna. The southern bluefin tuna, on the other hand, is more closely related to other tuna species such as yellowfin tuna and bigeye tuna, and the similarities between the southern and northern species are due to convergent evolution. [3]
Pacific bluefin tuna are the largest species of tuna in the Pacific with adults reaching nearly 10 feet in length and 1,000 pounds. The International Union for Conservation of Nature (IUCN ...
The bigeye tuna (Thunnus obesus) is a species of true tuna of the genus Thunnus, belonging to the wider mackerel family Scombridae. In Hawaiian, it is one of two species known as ʻahi, the other being the yellowfin tuna. [4] Bigeye tuna are found in the open waters of all tropical and temperate oceans, but not in the Mediterranean Sea.
Albacore tuna is the only species that can be marketed as "white meat tuna". The canning industry uses this label to differentiate canned albacore from other types of tuna. [22] From 2010 to 2013, a study by Oceana, an ocean preservation organization, tested over 114 samples of tuna, and found that 84% of the white tuna samples were actually ...
Bluefin are the largest tuna, and can live up to 40 years, according to the World Wildlife Fund (WWF). The endangered species migrate across all oceans, can weigh 1,500 pounds and reach 10 feet in ...
The method of catching tuna is a big deal for sustainability. Pole- and line-fishing and trolling are two highly sustainable methods that ensure other species don't get caught in the mix ...
Japan is both the biggest consumer and the leader in tuna farming research. [17] [18] Kinki University of Japan first successfully farmed already-hatched bluefin tuna in 1979. In 2002, they succeeded in breeding them, and in 2007, the process was repeated for a third generation. [19] [20] [21] This farm-raised tuna is now known as Kindai tuna ...