Fast Facts

  • Classification
    Species
    canadum
    Genus
    Rachycentron
    Family
    Rachycentridae
    Order
    Perciformes
    Class
    Actinopterygii
    Subphylum
    Vertebrata
    Phylum
    Chordata
    Kingdom
    Animalia
  • Size Range
    The species grows to about 2 m in length.

Introduction

The Cobia occurs in continental shelf waters of the tropical Atlantic and Indo-west Pacific. it is is the only species in the family Rachycentridae.

Identification

The Cobia has an elongate body with very short dorsal fin spines. There is a dark stripe on the side of the body, below which is a pale stripe that darkens after death. The Cobia is the only species in the family Rachycentridae.

Distribution

The Cobia is a pelagic species that occurs in continental shelf waters of the tropical Atlantic and Indo-west Pacific. In Australia it is known from south-western Western Australia, around the tropical north of the country 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.

Rachycentron canadum

Ozcam map of Cobia specimens in the Australian Museums. http://ozcam.ala.org.au/occurrences/search?q=Rachycentron%20canadum&zoom=off#mapView

Feeding and diet

Dietary items include mainly crustaceans, as well as smaller fishes and squid.

References

  1. Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
  2. Collette, B.B. Rachycentridae. in Carpenter, K.E. & V.H. Niem. 1999. The Living Marine Resources of the Western Central Pacific. Volume 4. Bony fishes part 2 (Mugilidae to Carangidae). FAO. Rome Pp. iii-v, 2069-2790.
  3. Hutchins, B. & R. Swainston. 1986. Sea Fishes of Southern Australia. Complete Field Guide for Anglers and Divers. Swainston Publishing. Pp. 180.
  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.