Neothunnus

Thunnus (Neothunnus) is a subgenus of ray-finned bony fishes in the Thunnini, or tuna, tribe. More specifically, Neothunnus is a subgenus of the genus Thunnus, also known as the "true tunas". Neothunnus is sometimes referred to as the yellowfin group, and comprises three species:

subgenus Thunnus (Neothunnus)

• T. albacares (Bonnaterre, 1788) – yellowfin tuna
• T. atlanticus (Lesson, 1831) – blackfin tuna
• T. tonggol (Bleeker, 1851) – longtail tuna

Thunnus (Neothunnus), the Yellowfin group

tribe Thunnini, tunas Allothunnus, A. fallai slender tuna Auxis, frigate tunas A. thazard frigate tuna A. rochei bullet tuna Euthynnus, little tunas E. lineatus black skipjack tuna E. alleteratus little tunny E. affinus mackerel tuna or kawakawa Katsuwonus K. pelamis skipjack tuna Thunnus, true tunas T. atlanticus blackfin tuna T. albacares yellowfin tuna T. tonggol longtail tuna T. obesus bigeye tuna T. maccoyii southern bluefin tuna T. thynnus Atlantic bluefin tuna T. alalunga Albacore tuna T. orientalis Pacific bluefin tuna subgenus Neothunnus (yellowfin group) subgenus Thunnus (bluefin group)

Cladogram: The yellowfin group of tunas, subgenus Thunnus (Neothunnus), within the tribe Thunnini.[1][2]

Thunnus (Neothunnus) – the yellowfin group of tunas
Common name	Scientific name	Maximum length	Common length	Maximum weight	Maximum age	Trophic level	Source	IUCN status
Blackfin tuna	T. atlanticus (Lesson, 1831)	108 cm (3.54 ft)	72 cm (2.36 ft)	22.4 kg (49 lb)		4.13	[3]	Least concern[4]
Longtail tuna	T. tonggol (Bleeker, 1851)	145 cm (4.76 ft)	70 cm (2.3 ft)	35.9 kg (79 lb)	18 years	4.50	[5][6]	Data deficient[6]
Yellowfin tuna	T. albacares (Bonnaterre, 1788)	239 cm (7.84 ft)	150 cm (4.9 ft)	200 kg (440 lb)	5–9 yrs	4.34	[7][8]	Near threatened[8]

Neothunnus
T. albacares yellowfin tuna
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scombriformes
Family:	Scombridae
Tribe:	Thunnini
Genus:	Thunnus
Subgenus:	Neothunnus Kishinouye, 1923
Species
T. albacares (Bonnaterre, 1788) T. atlanticus (Lesson, 1831) T. tonggol (Bleeker, 1851)