Animal Species:Wedgetail Triggerfish, Rhinecanthus rectangulus (Bloch & Schneider, 1801)

The Wedgetail Triggerfish can be recognised by its colouration. It occurs in tropical marine waters of the Indo-West and Central Pacific.

Standard Common Name

Wedgetail Triggerfish

Alternative Name/s

Black-banded Triggerfish, Reef Triggerfish and White-barred Triggerfish

Identification

The Wedgetail Triggerfish can be recognised by its colouration. It has a diagonal black band from the eye to the anal fin. There is a black wedge-shaped mark on the caudal peduncle. This is preceded by two yellow v-shaped marks (white in juveniles). There are black bands between the eyes and a blue bar across the upper lip.

Size range

The species grows to 25 cm in length.

Distribution

It occurs in tropical marine waters of the Indo-West and Central Pacific. In Australia it is known from the central to north-western coasts of Western Australia and the northern Great Barrier Reef, Queensland 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. Click on the map for detailed information.  Source: Atlas of Living Australia.

Rhinecanthus rectangulus

Distribution by collection data

Ozcam map of Wedgetail Triggerfish specimens in the Australian Museum.

What does this mean?

Classification

Species:
rectangulus
Genus:
Rhinecanthus
Family:
Balistidae
Order:
Tetraodontiformes
Class:
Actinopterygii
Subphylum:
Vertebrata
Phylum:
Chordata
Kingdom:
Animalia

What does this mean?

References

  1. Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
  2. Hoese, D.F., Bray, D.J., Paxton, J.R. & G.R. Allen. 2006. Fishes. In Beesley, P.L. & A. Wells. (eds) Zoological Catalogue of Australia. Volume 35. ABRS & CSIRO Publishing: Australia. parts 1-3, pages 1-2178.
  3. Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. New Holland. Pp. 433.
  4. Kuiter, R.H. 2000. Coastal Fishes of South-eastern Australia. Gary Allen. Pp. 437.
  5. Randall, J.E., Allen, G.R. & R.C. Steene. 1997. Fishes of the Great Barrier Reef and Coral Sea. Crawford House Press. Pp. 557.


Mark McGrouther , Collection Manager, Ichthyology
Last Updated:

Tags Fishes, Ichthyology, Wedgetail Triggerfish, Rhinecanthus rectangulus, Balistidae, black, white, yellow, triangle, marine, odd-shaped, 10 cm - 30 cm, stripes or bands, coral reef, adult,