Thunnus (subgenus)

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Thunnus
Bluefin-big.jpg
T. Thynnus Atlantic bluefin tuna
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scombriformes
Family: Scombridae
Genus: Thunnus
Subgenus: Thunnus
South, 1845
Species

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] NT IUCN 3 1.svg 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] CR IUCN 3 1.svg 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] VU IUCN 3 1.svg 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] VU IUCN 3 1.svg 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] EN IUCN 3 1.svg Endangered[12]

References[edit]

  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. 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. ^ a b Collette, B.; et al. (2011). "Thunnus alalunga". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. Retrieved 18 October 2012. 
  5. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus maccoyii" in FishBase. January 2012 version.
  6. ^ a b Collette, B.; et al. (2011). "Thunnus maccoyii". IUCN Red List of Threatened Species. Version 2012.1. International Union for Conservation of Nature. Retrieved 18 September 2012. 
  7. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus obesus" in FishBase. January 2012 version.
  8. ^ a b Collette, B.; et al. (2011). "Thunnus obesus". IUCN Red List of Threatened Species. Version 2012.1. International Union for Conservation of Nature. Retrieved 18 September 2012. 
  9. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus orientalis" in FishBase. January 2012 version.
  10. ^ a b Collette, B.; et al. (2014). "Thunnus orientalis". IUCN Red List of Threatened Species. Version 2015.2. International Union for Conservation of Nature. Retrieved 26 August 2015. 
  11. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Thunnus thynnus" in FishBase. January 2012 version.
  12. ^ a b Collette, B.; et al. (2011). "Thunnus thynnus". IUCN Red List of Threatened Species. Version 2012.1. International Union for Conservation of Nature. Retrieved 18 September 2012.