Thunnus (subgenus)

Thunnus (Thunnus) is a 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)
Thunnus (Thunnus), the Bluefin 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

 
 

 T. orientalis Pacific bluefin tuna 

 
 
 
 
 
 
 
 
 
 
subgenus Neothunnus
(yellowfin group)
subgenus Thunnus
(bluefin group)
Cladogram: The bluefin group of tunas, subgenus Thunnus (Thunnus), within the tribe Thunnini.[1][2]
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 tuna 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] Near threatened[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] Critically 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] Vulnerable[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] Endangered[12]

Thunnus
T. Thynnus Atlantic bluefin tuna
Scientific classification
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)

References
  1. Graham, Jeffrey B.; Dickson, Kathryn A. (2004). "Tuna Comparative Physiology" (PDF). The Journal of Experimental Biology. 207: 4015–4024. doi:10.1242/jeb.01267. PMID 15498947. Retrieved 20 September 2012.
  2. Catanese, Gaetano; Manchado, Manuel; Infante, Carlos (15 February 2010). "Evolutionary relatedness of mackerels of the genus Scomber based on complete mitochondrial genomes: Strong support to the recognition of Atlantic Scomber colias and Pacific Scomber japonicus as distinct species". Gene. 452 (1): 35–43. doi:10.1016/j.gene.2009.12.004. PMID 20035845.
  3. Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus alalunga" in FishBase. January 2012 version.
  4. Collette, B.; et al. (2011). "Thunnus alalunga". IUCN Red List of Threatened Species. 2011. Retrieved 18 October 2012.CS1 maint: ref=harv (link)
  5. Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus maccoyii" in FishBase. January 2012 version.
  6. Collette, B.; et al. (2011). "Thunnus maccoyii". IUCN Red List of Threatened Species. 2011. Retrieved 18 September 2012.CS1 maint: ref=harv (link)
  7. Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus obesus" in FishBase. January 2012 version.
  8. Collette, B.; et al. (2011). "Thunnus obesus". IUCN Red List of Threatened Species. 2011. Retrieved 18 September 2012.CS1 maint: ref=harv (link)
  9. Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus orientalis" in FishBase. January 2012 version.
  10. Collette, B.; et al. (2014). "Thunnus orientalis". IUCN Red List of Threatened Species. 2014. Retrieved 26 August 2015.CS1 maint: ref=harv (link)
  11. Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus thynnus" in FishBase. January 2012 version.
  12. Collette, B.; et al. (2011). "Thunnus thynnus". IUCN Red List of Threatened Species. 2011. Retrieved 18 September 2012.CS1 maint: ref=harv (link)
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