Dogtooth Tuna (species: Gymnosarda unicolor) in Lizard Island Field Guide (Lizard Island Field Guide)
Gymnosarda unicolor
Dogtooth Tuna

©Alex Vail: Two Dogtooth Tuna at Ribbon Reef #10

©Alex Vail: Dogtooth Tuna at Ribbon Reef #10 showing distinctive white tips to dorsal and anal fins.
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Scombridae
Genus Gymnosarda
Species Gymnosarda unicolor



Distinguishing features

A stocky silver tuna with conspicuous white tips on the rear dorsal and anal fins


  • Up to 180 cm (Length of specimen)

Depth range

  • Depth range data is not yet available.



©Atlas of Living Australia: Australian distribution

Local abundance

  • Lizard Island: Occasionally seen at the outer reefs near Lizard Island

Web resources


References that assist with identification

  • Allen, G., R. Steene, P. Humann and N. Deloach (2003). Reef fish identification: Tropical Pacific New World Publications Inc., Jacksonville, FL, USA.
  • Randall, J.E., G.R. Allen and R.C. Steene (1990). Fishes of the Great Barrier Reef and Coral Sea University of Hawaii Press, Honolulu, Hawaii.