Whitetail Surgeonfish
Acanthurus thompsoni
- Least concern
- Card rarity: Common
- Fish

Acanthurus thompsoni, the night surgeonfish, chocolate surgeonfish, Thompson's surgeonfish, Thompson's tang or whitetail surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae which includes the surgeonfishes, unicornfishes and tangs. This species has a wide Indo-Pacific distribution.
Classification
- Class
- Actinopterygii
- Order
- Acanthuriformes
- Family
- Acanthuridae
- Genus
- Acanthurus