Mackeral Tuna (species: Euthynnus affinis) in Lizard Island Field Guide (Lizard Island Field Guide)
Euthynnus affinis
Mackeral Tuna

©Lyle Vail: Euthynnus affinis at Watson's Bay, Lizard Island.

©Lyle Vail: Euthynnus affinis at Watson's Bay, Lizard Island.

©Anne Hoggett: Euthynnus affinis about 30 cm long at Watson's Bay, Lizard Island.
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Scombridae
Genus Euthynnus
Species Euthynnus affinis



Distinguishing features

Distinguishing features still need to be specified.


  • Up to 100 cm (Length of specimen)

Depth range

  • Depth range data is not yet available.



©Atlas of Living Australia: Australian distribution

Local abundance

  • Lizard Island area: Schools of Mack Tuna are frequently seen feeding at the surface.

Web resources


References that assist with identification

  • Randall, J.E., G.R. Allen and R.C. Steene (1997). Fishes of the Great Barrier Reef and Coral Sea: Second edition Crawford House Publishing, Bathurst, NSW.

Other references

  • Bray, R.A., T.H. Cribb and S.C. Barker (1993). Hemiuridae (Digenea) from marine fishes of the Great Barrier Reef, Queensland, Australia, Systematic Parasitology, 25: 37-62. LIRS catalog number 484.
  • Fowler, A.M., J.M. Leis and I.M. Suthers (2008). Onshore-offshore distribution and abundance of tuna larvae (Pisces: Scombridae: Thunnini) in near-reef waters of the Coral Sea, Fisheries Bulletin, 106: 405-416. LIRS catalog number 1152.