Animal Species:Bluefin Trevally, Caranx melampygus (Cuvier, 1833)

The Bluefin Trevally gets it's common name from the electric blue colour of the second dorsal, caudal and anal fins. The species is usually seen singly or occasionally in small schools around coral reefs. They are often seen in the company of other large bottom-feeding lethrinids.

A Bluefin Trevally at Bougainville Reef

Erik Schlögl © Erik Schlögl

Standard Common Name

Bluefin Trevally

Identification

The Bluefin Trevally can be recognised by the electric blue colour of the second dorsal, caudal and anal fins. The upper half of the body is grey to brassy in colour with scattered small blue-black spots. 

Size range

The species grows to 1 m in length.

Distribution

The Bluefin Trevally is found widely in tropical marine waters of the Indo-Pacific.

In Australia it occurs from Margaret River, Western Australia, around the tropical north and south to the central coast of New South Wales.

The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums.  Source: Atlas of Living Australia.

Caranx melampygus

Distribution by collection data

Ozcam map of Bluefin Trevally specimens in the Australian Museums.

What does this mean?

Other behaviours and adaptations

It is usually seen singly or occasionally in small schools.

Classification

Species:
melampygus
Genus:
Caranx
Family:
Carangidae
Class:
Actinopterygii
Subphylum:
Vertebrata
Phylum:
Chordata
Kingdom:
Animalia

What does this mean?

References

  1. Hutchins, B. & R. Swainston. 1986. Sea Fishes of Southern Australia. Complete Field Guide for Anglers and Divers. Swainston Publishing. Pp. 180.
  2. Kuiter, R.H. 1993. Coastal Fishes of South-Eastern Australia. Crawford House Press. Pp. 437.
  3. Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. New Holland. Pp. 433.
  4. Randall, J.E., Allen, G.R. & R.C. Steene. 1997. Fishes of the Great Barrier Reef and Coral Sea. Crawford House Press. Pp. 557.


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Tags fish, ichthyology, Bluefin Trevally, Caranx melampygus, pelagic, schooling species, coral reef, electric blue, dots/spots, 30 cm - 1 m, tropical water, marine,