Thunnus (Thunnus) is a paraphyletic subgenus of ray-finned bony fishes in the Thunnini, or tuna, tribe. More specifically, Thunnus (Thunnus) is a subgenus of the genus Thunnus, also known as the "true tunas". 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
• T. thynnus (Linnaeus, 1758) – Atlantic bluefin tuna

More information Thunnus (Thunnus) – the bluefin group of tunas, Common name ...

Thunnus (Thunnus) – the bluefin group of tunas
Common name	Scientific name	Maximum length	Common length	Maximum weight	Maximum age	Trophic level	Source	IUCN status
Albacore	T. alalunga (Bonnaterre, 1788)	1.4 m (4.6 ft)	1.0 m (3.3 ft)	60.3 kg (133 lb)	9–13 yrs	4.31	[3][4]	Least Concern[4]
Southern bluefin tuna	T. maccoyii (Castelnau, 1872)	2.45 m (8.0 ft)	1.6 m (5.2 ft)	260 kg (570 lb)	20–40 yrs	3.93	[5][6]	Endangered[6]
Bigeye tuna	T. obesus (Lowe, 1839)	2.5 m (8.2 ft)	1.8 m (5.9 ft)	210 kg (460 lb)	5–16 yrs	4.49	[7][8]	Vulnerable[8]
Pacific bluefin tuna	T. orientalis (Temminck & Schlegel, 1844)	3.0 m (9.8 ft)	2.0 m (6.6 ft)	450 kg (990 lb)	15–26 yrs	4.21	[9][10]	Near Threatened[10]
Atlantic bluefin tuna	T. thynnus (Linnaeus, 1758)	4.6 m (15 ft)	2.0 m (6.6 ft)	684 kg (1,508 lb)	35–50 yrs	4.43	[11][12]	Least Concern[12]

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Quick Facts Thunnus, Scientific classification ...

Thunnus
T. thynnus Atlantic bluefin tuna
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scombriformes
Family:	Scombridae
Genus:	Thunnus
Subgenus:	Thunnus South, 1845
Species
T. alalunga (Bonnaterre, 1788) T. maccoyii (Castelnau, 1872) T. obesus (Lowe, 1839) T. orientalis (Temminck and Schlegel, 1844) T. thynnus (Linnaeus, 1758)

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