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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 (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.
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]
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 ]
Between the tuna species, mercury levels, and fishing practices, there's a sea of options for canned tuna brands. Here are 12 of the best. ... compared to the other tunas mentioned in this list ...
The chain's subs and combo meals are popular in many college towns, where students look for affordable meal options. ... 11 Best Canned Tunas on the Market, and 3 to Stay ... There's no need for ...
Southern bluefin tuna, as well as other species of tunas, have developed many adaptations in order to achieve this. [6] Their respiratory system has adapted to rapidly take up oxygen from water. For example, tunas switched from a buccal-opercular pump system to ram ventilation, which allows them to drive large quantities of water over their gills.
Yellowfin is often marketed as ahi, from the Hawaiian ʻahi, a name also used there for the closely related bigeye tuna. [3] The species name, albacares ("white meat") can also lead to confusion: in English, the albacore ( Thunnus alalunga ) is a different species, while yellowfin is officially designated albacore in French and referred to as ...
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