Thunnus (Thunnus)

---

title: "Thunnus (Thunnus)" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["thunnus", "commercial-fish", "game-fish", "taxa-described-in-1845", "animal-subgenera"] description: "Subgenus of fishes" topic_path: "general/thunnus" source: "https://en.wikipedia.org/wiki/Thunnus_(Thunnus)" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Subgenus of fishes ::

|italic_title = taxon |image = Bluefin-big.jpg |image_caption = Thunnus thynnus Atlantic bluefin tuna |taxon = Thunnus (Thunnus) |authority = South, 1845 |subdivision_ranks = Species |subdivision =

• T. alalunga (Bonnaterre, 1788)
• T. maccoyii (Castelnau, 1872)
• T. obesus (Lowe, 1839)
• T. orientalis (Temminck and Schlegel, 1844)
• T. thynnus (Linnaeus, 1758)

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

|align=left |caption=Cladogram: The bluefin group of tunas, subgenus Thunnus (Thunnus), within the tribe Thunnini. |cladogram= |style=font-size:88%;|align=left|labelwidth=12 |size=15 |at1=8.7|label1=subgenus Neothunnus|bar1=black |at2=9.3|label2=(yellowfin group)|bar2=black |at3=12.7|label3='*subgenus *Thunnus'''''|bar3=green |at4=13.3|label4=(bluefin group)|bar4=green |cladogram= |label1= |1={{clade |label1= |1={{clade |1={{clade |label1= |1={{clade |1= slender tuna |2={{clade |1={{clade |label1= |1={{clade |1= frigate tuna |2= bullet tuna |2={{clade |1={{clade |label1= |1={{clade |1={{clade |1={{clade |1= black skipjack tuna |2= little tunny |2= mackerel tuna or kawakawa |2={{clade |1={{clade |label1= |1={{clade |1={{clade |1= skipjack tuna |2={{clade |label1= |1={{clade |1={{cladex |thickness=3 |1={{cladex |thickness=3 |1={{cladex |thickness=3 |1={{cladex |thickness=3 |1={{cladex |1={{cladex |1= blackfin tuna |barbegin1=black |2= yellowfin tuna |bar2=black |2= longtail tuna or northern bluefin tuna |bar2=black |2= bigeye tuna |barbegin2=green |bar2=green |2= southern bluefin tuna |bar2=green |2= Atlantic bluefin tuna |bar2=green |2={{cladex |thickness=3 |1= albacore |bar1=green |2= Pacific bluefin tuna |barend2=green

:{| class="wikitable" |- ! style="background-color: #D7F0FF; color:black;" colspan="9"| Thunnus (Thunnus) – the bluefin group of tunas |- ! style="width:12em" | Common name ! style="width:12em" | Scientific name ! Maximum length ! Common length ! Maximum weight ! Maximum age ! Trophic level ! Source ! style="width:13em" |IUCN status |- | Albacore | T. alalunga(Bonnaterre, 1788) | style="text-align:right;"| 1.4 m | style="text-align:right;"| 1.0 m | style="text-align:right;"| 60.3 kg | style="text-align:right;"| 9–13 yrs | style="text-align:center;"| 4.31 | style="text-align:center;"| | [[File:LC IUCN 3 1.svg|LC IUCN 3 1.svg]] Least Concern |- | Southern bluefin tuna | T. maccoyii(Castelnau, 1872) | style="text-align:right;"| 2.45 m | style="text-align:right;"| 1.6 m | style="text-align:right;"| 260 kg | style="text-align:right;"| 20–40 yrs | style="text-align:center;"| 3.93 | style="text-align:center;"| | [[File:EN IUCN 3 1.svg|EN IUCN 3 1.svg]] Endangered |- | Bigeye tuna | T. obesus(Lowe, 1839) | style="text-align:right;"| 2.5 m | style="text-align:right;"| 1.8 m | style="text-align:right;"| 210 kg | style="text-align:right;"| 5–16 yrs | style="text-align:center;"| 4.49 | style="text-align:center;"| | [[File:VU IUCN 3 1.svg|VU IUCN 3 1.svg]] Vulnerable |- | Pacific bluefin tuna | T. orientalis(Temminck & Schlegel, 1844) | style="text-align:right;"| 3.0 m | style="text-align:right;"| 2.0 m | style="text-align:right;"| 450 kg | style="text-align:right;"| 15–26 yrs | style="text-align:center;"| 4.21 | style="text-align:center;"| | [[File:NT IUCN 3 1.svg|NT IUCN 3 1.svg]] Near Threatened |- | Atlantic bluefin tuna | T. thynnus(Linnaeus, 1758) | style="text-align:right;"| 4.6 m | style="text-align:right;"| 2.0 m | style="text-align:right;"| 684 kg | style="text-align:right;"| 35–50 yrs | style="text-align:center;"| 4.43 | style="text-align:center;"| | [[File:LC IUCN 3 1.svg|LC IUCN 3 1.svg]] Least Concern |}

References

References

1. Graham, Jeffrey B.. (2004). "Tuna Comparative Physiology". The Journal of Experimental Biology.
2. Catanese, Gaetano. (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.
3. {{FishBase. (2012)
4. Collette, B.B.. (2021). "''Thunnus alalunga''".
5. {{FishBase. (2012)
6. Collette, B.B.. (2021). "''Thunnus maccoyii''".
7. {{FishBase. (2012)
8. Collette, B.B.. (2021). "''Thunnus obesus''".
9. {{FishBase. (2012)
10. Collette, B.B.. (2021). "''Thunnus orientalis''".
11. {{FishBase. (2012)
12. Collette, B.B.. (2021). "''Thunnus thynnus''".

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::