Animal Species:Beaked Coralfish, Chelmon rostratus (Linnaeus, 1758)

The Beaked Coralfish has a very long snout and tall dorsal and anal fins. It has three orange bars and an ocellus on the dorsal fin rays. It occurs in tropical marine waters of the Indo-West Pacific.

A Beaked Coralfish at the Great Barrier Reef

Erik Schlögl © Erik Schlögl

Standard Common Name

Beaked Coralfish

Alternative Name/s

Copperbanded Butterflyfish

Identification

The Beaked Coralfish has a very long snout and tall dorsal and anal fins. It has three orange bars and an ocellus on the dorsal fin rays.

There is a dark-margined orange bar through the eye and a blue-edged bar across the caudal peduncle.

The long snout of adults is not present in larvae or juveniles. It develops after the larval fish settles on the reef.

Size range

The species grows to 20 cm in length.

Distribution

It occurs in tropical marine waters of the Indo-West Pacific.

In Australia it is known from the northern Great Barrier Reef 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.

Chelmon+rostratus

Distribution by collection data

Ozcam map of Beaked Coralfish specimens in the Australian Museum.

What does this mean?

Classification

Species:
rostratus
Genus:
Chelmon
Family:
Chaetodontidae
Order:
Perciformes
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. Allen, G.R., Steene, R. & M. Allen. 1998. A Guide to Angelfishes & Butterflyfishes. Odyssey Publishing/Tropical Reef Research. Pp. 250.
  3. 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.
  4. Hutchins, B. & R. Swainston. 1986. Sea Fishes of Southern Australia. Complete Field Guide for Anglers and Divers. Swainston Publishing. Pp. 180.
  5. Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. New Holland. Pp. 433.
  6. Kuiter, R.H. 2000. Coastal Fishes of South-eastern Australia. Gary Allen. Pp. 437.
  7. 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, Beaked Coralfish, Chelmon rostratus, Chaetodontidae, white, yellow, 'normal fish', 10 cm - 30 cm, dots/spots, stripes or bands, black spot, coral reef, marine, adult,