Eastern Talma, Chelmonops truncatus (Kner 1859)

Other Names: Coralfish, Talma, Truncate Coralfish, Truncate Coral-fish

A juvenile Eastern Talma, Chelmonops truncatus, at Port Stephens, New South Wales. Source: John Turnbull / Flickr. License: CC BY Attribution-Noncommercial-ShareAlike

A silvery brown butterflyfish with a tubular snout, high dorsal and anal fins, and five dark bands on the body including the band encircling the tail base. Juveniles have an ocellus on the dorsal fin.

Cite this page as:
Dianne J. Bray, Chelmonops truncatus in Fishes of Australia, accessed 29 May 2024, https://fishesofaustralia.net.au/Home/species/423

Eastern Talma, Chelmonops truncatus (Kner 1859)

More Info


Endemic to coastal waters of south-eastern Australia from Double Island Point in southern Queensland, to about Jervis Bay, New South Wales. Found on deep coastal reefs, around headlands and rocky estuaries.


Soft dorsal and anal fins very angular with almost vertical fin margins. Fins of juveniles more rounded. 


Omnivore - feeds on small crustaceans, worms and filamentous algae.


Usually forms monogamous pairs.


IUCN Red List of Threatened Species: Least Concern

Similar Species

The Western Talma, Chelmonops curiosus, grows to a larger size and has longer dorsal and anal fins.

Species Citation

Chaetodon truncatus Kner, 1859, Sitzungsb. Akad. Wissensch. Wien 34: 442. Type locality: Sydney, NSW.


Dianne J. Bray

Eastern Talma, Chelmonops truncatus (Kner 1859)


Allen, G.R. 1980. Butterfly and Angelfishes of the World. New York : John Wiley & Sons Vol. 2 pp. 149-352 figs 214-510.

Allen, G.R., Steene, R. & Allen, M. 1998. A Guide to Angelfishes & Butterflyfishes. Cairns : Odyssey Publishing/Tropical Reef Research 250 pp. figs.

Burgess, W.E. 1978. Butterflyfishes of the World. New Jersey : T.F.H. Publications Inc. 832 pp. figs.

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Johnson, J.W. 2010. Fishes of the Moreton Bay Marine Park and adjacent continental shelf waters, Queensland, Australia. pp. 299-353 in Davie, P.J.F. & Phillips, J.A. Proceedings of the Thirteenth International Marine Biological Workshop, The Marine Fauna and Flora of Moreton Bay. Memoirs of the Queensland Museum 54(3)

Kner, R. 1859. Über Trachypterus altivelis und Chaetodon truncatus, n. sp. Sitzungsberichte der Akademie der Wissenschaften in Wien 34: 437-445 pls 1-2

Kuiter, R.H. 1993. Coastal Fishes of South-eastern Australia. Bathurst : Crawford House Press 437 pp.

Kuiter, R.H. 1996. Guide to Sea Fishes of Australia. A comprehensive reference for divers and fishermen. Sydney, NSW, Australia : New Holland Publishers xvii, 434 pp.

Kuiter, R.H. 2002. Butterflyfishes, Bannerfishes and their Relatives. Chorleywood, U.K. : TMC Publishing 208 pp.

Marshall, T.C. 1964. Fishes of the Great Barrier Reef and Coastal Waters of Queensland. Sydney : Angus & Robertson 566 pp. 136 pls.

May, J.L. & Maxwell, J.G.H. 1986. Field Guide to Trawl Fish from Temperate Waters of Australia. Hobart : CSIRO Division of Marine Research 492 pp.

McCulloch, A.R. 1916. Report on some fishes obtained by the F.I.S. Endeavour on the coasts of Queensland, New South Wales, Victoria, Tasmania, South and South-Western Australia. Part 4. Biological Results of the Fishing Experiments carried on by the F.I.S. Endeavour 1909-1914 4(4): 169-199 figs 1-2 pls 49-58

Myers, R. & Pratchett, M. 2010. Chelmonops truncatus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. . Downloaded on 29 September 2013.

Steene, R.C. 1978. Butterfly and Angelfishes of the World. Australia. Sydney : A.H. & A.W. Reed Vol. 1 144 pp. 216 figs.

Quick Facts

CAAB Code:37365001

Conservation:IUCN Least Concern

Depth:10-70 m

Fishing:Aquarium fish

Habitat:Reef associated

Max Size:22 cm TL


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CAAB distribution map