Atlantic Blue Tang
Acanthurus coeruleus
- Least concern
- Card rarity: Common
- Fish

Acanthurus coeruleus is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs, found in the Atlantic Ocean. It can grow up to 39 centimetres (15 in) long. Common names include Atlantic blue tang, blue barber, blue doctor, blue doctorfish, blue tang, blue tang surgeonfish, yellow barber, and yellow doctorfish.
Classification
- Class
- Actinopterygii
- Order
- Acanthuriformes
- Family
- Acanthuridae
- Genus
- Acanthurus