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Euthynnus is a genus of ray-finned bony fish in the family Scombridae, or mackerel family, and in the tribe Thunnini, more commonly known as the tunas.Species in the genus Euthynnus are also known as "little tunas," and are found in subtropical oceans worldwide.
The yellowfin tuna (Thunnus albacares) is a species of tuna found in pelagic waters of tropical and subtropical oceans worldwide. Yellowfin is often marketed as ahi , from the Hawaiian ʻahi , a name also used there for the closely related bigeye tuna . [ 3 ]
Global capture production of Kawakawa (Euthynnus affinis) in thousand tonnes from 1950 to 2022, as reported by the FAO [3]Euthynnus affinis, the mackerel tuna, little tuna, eastern little tuna, wavyback skipjack tuna, kawakawa, [4] or tongkol komo is a species of ray-finned bony fish in the family Scombridae, or mackerel family.
Skipjack tuna is an important fish in the native cuisine of Hawaii (where it is known as aku) and throughout the Pacific islands. Hawaiians prefer to eat aku either raw as a sashimi or poke or seared in Japanese tataki style. [24] The trade in pickled skipjack tuna is a driving force behind the commercial fishery of this species in Spain. [25]
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 [citation ...
In fact, tuna can maintain the temperature of their muscles at 5–20 °C (9–36 °F) above the temperature of surrounding water. [31] Overall, tuna do not have a set body temperature point; rather it maintains its T B within a narrow range, with variations of only 4–5 °C (7–9 °F) over time and from individual to individual. [31] [32]
A school of large pelagic predator fish (bluefin trevally) sizing up a school of small pelagic prey fish (). Pelagic fish live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live on or near the bottom, and reef fish that are associated with coral reefs.
Halimeda tuna is a calcareous green seaweed, attached to the seabed by a holdfast. [3] Each individual thallus (frond) consists of a single cell forming a tube with multiple cell nuclei . The cytoplasm is mobile and the nuclei, chloroplasts and other cell contents are free to move around inside the cell wall . [ 4 ]