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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 ]
Recent figures indicate that there are more than 1.4 billion insects for each human on the planet, [27] or roughly 10 19 (10 quintillion) individual living insects on the earth at any given time. [28] An article in The New York Times claimed that the world holds 300 pounds of insects for every pound of humans. [28]
Winning these new year auctions is often used as a way to get publicity, which raises the prices considerably higher than their usual market value: on 5 January 2013, a 489-pound (222 kg) Pacific bluefin tuna caught off northeastern Japan was sold in the first auction of the year at the Tsukiji fish market in Tokyo for a record 155.4 million ...
The mackerel, tuna, and bonito family, Scombridae, includes many of the most important and familiar food fishes. The family consists of 51 species in 15 genera and two subfamilies. All species are in the subfamily Scombrinae, except the butterfly kingfish, which is the sole member of subfamily Gasterochismatinae. [1]
Supermarket Stumbling Blocks. Going grocery shopping isn't the expensive journey it was in 2023 — groceries have seen a rise of just 0.4% over last year.That being said, you can still make ...
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.