Mimic Surgeonfish
Acanthurus tristis
- Least concern
- Card rarity: Common
- Fish

Acanthurus tristis, the Indian Ocean mimic surgeonfish, blackcheek surgeonfish or yellowspot surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae which includes the surgeonfishes, unicornfishes and tangs. This species is found in the eastern Indian Ocean.
Classification
- Class
- Actinopterygii
- Order
- Acanthuriformes
- Family
- Acanthuridae
- Genus
- Acanthurus