Dotted Butterflyfish, Chaetodon semeion Bleeker 1855

A Dotted Butterflyfish, Chaetodon semeion, at Mary Island, Solomon Islands. Source: Sally Polack / FishWise Professional. License: CC by Attribution-NonCommercial-Sharealike

A bright golden-yellow butterflyfish with a prominent elongated black teardrop-shaped bar through the eye, a blue forehead, diagonal rows of black dots along the side, outer parts of the dorsal and anal-fins black, and a filament trailing from the soft dorsal fin.

Cite this page as:
Dianne J. Bray, Chaetodon semeion in Fishes of Australia, accessed 25 May 2024,

Dotted Butterflyfish, Chaetodon semeion Bleeker 1855

More Info


Recorded in the Australian region from Rowley Shoals and Scott Reef, WA, Ashmore Reef, Timor Sea, and Ashmore Reef, Coral Sea and the northern Great Barrier Reef to off Cairns, QLD; also Cocos (Keeling) Island in the Indian Ocean. Elsewhere in the tropical, east-Indo-west Pacific.

Species Citation

Chaetodon semeion Bleeker, 1855, Natuur. Tijdschr. Nederland. Indiƫ 8: 450. Type locality: Cocos-Keeling Island.


Dianne J. Bray

Dotted Butterflyfish, Chaetodon semeion Bleeker 1855


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. 1997. Marine Fishes of Tropical Australia and South-east Asia. Perth : Western Australian Museum 292 pp. 106 pls.

Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.

Allen, G.R. & W.F. Smith-Vaniz. 1994. Fishes of the Cocos (Keeling) Islands. Atoll Research Bulletin 412: 21 p.

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

Allen, G.R., Steene, R.C. & Orchard, M. 2007. Fishes of Christmas Island. Christmas Island : Christmas Island Natural History Association 2 edn, 284 pp.

Bleeker, P. 1855. Vierde bijdrage tot de kennis der ichthyologische fauna van de Kokos-eilanden. Natuurwetenschappelijk Tijdschrift voor Nederlandsch Indiƫ 8: 445-460.

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

Findley, J.S. & M.T. Findley. 2001. Global, regional, and local patterns in species richness and abundance of butterflyfishes. Ecological Monographs 7(1): 69-91.

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.

Pyle, R. 2001. Chaetodontidae, Pomacanthidae. pp. 3224-3286 in Carpenter, K.E. & Niem, V.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 5 2791-3379 pp.

Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. Honolulu : University of Hawaii Press 707 pp.

Randall, J.E., Allen, G.R. & Steene, R. 1990. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 507 pp. figs.

Randall, J.E., Allen, G.R. & Steene, R. 1997. Fishes of the Great Barrier Reef and Coral Sea. Bathurst : Crawford House Press 557 pp. figs.

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:37365055

Conservation:IUCN Least Concern

Depth:1-50 m

Habitat:Coral reefs

Max Size:26 cm TL

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Species Maps

CAAB distribution map