Indian Ocean Mimic Surgeonfish, Acanthurus tristis Randall 1993

Other Names: Blackcheek Surgeonfish, Indian Mimic Surgeon, Indian Ocean Mimic Tang, Yellowspot Surgeonfish

An Indian Ocean Mimic Surgeonfish, Acanthurus tristis, in Fiji, March 2015. Source: Mark Rosenstein / License: CC by Attribution-NonCommercial-ShareAlike

The striped juveniles mimic Eibl's Angelfish, Centropyge eibli.

Cite this page as:
Dianne J. Bray, Acanthurus tristis in Fishes of Australia, accessed 12 Jul 2020,

Indian Ocean Mimic Surgeonfish, Acanthurus tristis Randall 1993

More Info


Eastern Indian Ocean - Chagos Archipelago and the Maldives to the Andaman Sea and southern Indonesia, including the Australian territories of Christmas Island and Cocos (Keeling) Islands.
Inhabits lagoon and seaward reefs, in areas of mixed coral, rock, sand and rubble.




Dianne J. Bray

Indian Ocean Mimic Surgeonfish, Acanthurus tristis Randall 1993


Abesamis, R., Clements, K.D., Choat, J.H., McIlwain, J., Myers, R., Nanola, C., Rocha, L.A., Russell, B. & Stockwell, B. 2012. Acanthurus tristis. The IUCN Red List of Threatened Species 2012: e.T177998A1516342. Downloaded on 07 June 2016

Randall, J.E. 1993. Acanthurus tristis, a valid Indian ocean surgeonfish (Perciformes: Acanthuridae). Spec. Publ. J.L.B. Smith Inst. Ichth. (54): 1-8. 

Randall, J.E. 2001. Surgeonfishes of Hawai'i and the world. Mutual Publishing and Bishop Museum Press, Hawai'i. 123 pp.

Quick Facts

CAAB Code:37437051

Conservation:IUCN Least Concern

Depth:2-30 m

Fishing:Aquarium fish

Habitat:Reef associated

Max Size:25 cm TL

Species Image Gallery

Species Maps

CAAB distribution map