Black surgeonfish
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Acanthuridae
- genus: Acanthurus
- species: Acanthurus gahhm
- Port Louis
Port Louis
Mauritius- Kapingamarangi
Pohnpei- Ifalik
Yap
Micronesia, Federated States Of- Salimbao
00- Cotabato
- Sultan Kudarat
Autonomous Region in Muslim Mindanao- Lucap
Ilocos
Philippines