Bigeye Trevally (species: Caranx sexfasciatus) in taxonomy (Lizard Island Field Guide)
Caranx sexfasciatus
Bigeye Trevally

©Lyle Vail: A school of Bigeye Trevally on the outer slope of Yonge Reef

©Anne Hoggett: A school of Caranx sexfasciatus at Cobia Hole, Lizard Island

©Anne Hoggett: A school of Caranx sexfasciatus at Cobia Hole, Lizard Island
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Carangidae
Genus Caranx
Species Caranx sexfasciatus



Distinguishing features

A silver trevally, usually seen in schools, with relatively large eyes. A series of strong, dark scutes (enlarged scales) lines the straight part of the lateral line towards the tail. Dorsal and anal fins have white tips. Adults have a small dark spot at the top of the opercle (gill cover).


  • From 25 cm to 35 cm (Length) - applies to common size seen at Cobia Hole.
  • Up to 100 cm (Length) - applies to maximum recorded according to Allen et at (2003).

Depth range

  • Depth range data is not yet available.



©Atlas of Living Australia: Australian distribution

Local abundance

  • Lizard Island: Large schools of small individuals (25 to 35 cm) are often seen at Cobia Hole.

Web resources


References that assist with identification

  • 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.

Other references

  • Bray, R.A. and T.H. Cribb (2008). Stephanostomum sp(p). (Digenea: Acanthocolpidae) from scombrids and carangids (Perciformes) from the Great Barrier Reef, with the description of two new species, Revisita Mexicana de Bidiversidad, 79: 49S-68S. LIRS catalog number 1151.
  • Burger, M.A.A. and R.D. Adlard (2010). Four new species of Kudoa Meglitsch, 1947 (Myxosporea: Multivalvulida) from Australia with recommendations for species descriptions in the Kudoidae, Parasitology, 137: 793-814. LIRS catalog number 1318.