Fish ID: Velvet Surgeonfish

Surgeonfish velvet surgeonfish acanthurus nigricans bal
Family Surgeonfish (ACANTHURIDAE)
species Acanthurus nigricans
size To 21cm
locality Coral reefs
behaviour Mainly in groups, occasionally solitary
range Circumglobal in tropical zone

Blue brown velvety body, with yellow line where fins adjoin the body broadening towards the tail. White tail with vertical yellow bar. White patch beneath the eye and white mouth.