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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.
Thunnus tonggol is a species of tuna of tropical Indo-West Pacific waters.. It is commonly known as the longtail tuna [1] or northern bluefin tuna. [4] [5] The usage of the latter name, mainly in Australia to distinguish it from the southern bluefin tuna, leads to easy confusion with Thunnus thynnus of the Atlantic and Thunnus orientalis of the North Pacific.
Thunnus (Thunnus) is sometimes referred to as the bluefin group and comprises five species: subgenus Thunnus (Thunnus) T. alalunga (Bonnaterre, 1788) – albacore; T. maccoyii (Castelnau, 1872) – southern bluefin tuna; T. obesus (Lowe, 1839) – bigeye tuna; T. orientalis (Temminck and Schlegel, 1844) – Pacific bluefin tuna
These include skipjack, albacore, yellowfin, bluefin and bigeye tuna. The nutrition and mercury content of tuna will vary depending on the species. "There are so many varieties and the fat content ...
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.
Served nearly everywhere to sushi lovers, whether or not we should be eating bluefin tuna still is still hotly debated among consumers and conservation experts alike.
He said the fish they catch range from 73 inches and 200 pounds to 116 inches and almost 900 pounds. Because of sustainability efforts to increase the bluefin tuna population, Chaprales said they ...
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 15 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 ...