Powder Blue Tang
Acanthurus leucosternon
- Least concern
- Card rarity: Common
- Fish

Acanthurus leucosternon, commonly known as the blue surgeonfish, powder blue tang or powder-blue surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indian Ocean.
Classification
- Class
- Actinopterygii
- Order
- Acanthuriformes
- Family
- Acanthuridae
- Genus
- Acanthurus