Doctorfish
Acanthurus chirurgus
- Least concern
- Card rarity: Common
- Fish

The doctorfish tang, also known as the doctorfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. These fishes are found in the western Atlantic Ocean.
Classification
- Class
- Actinopterygii
- Order
- Acanthuriformes
- Family
- Acanthuridae
- Genus
- Acanthurus