Surgeonfish and Tang

Powder-blue Surgeonfish

Acanthurus leucosternon

Pairs like to chase each other in a circular mating dance.

Eye-line Surgeonfish

Acanthurus nigricauda

Convict Surgeonfish

Acanthurus triostegus

Shading varies from quite pale to yellow; seen singly or in schools.

Lined Surgeonfish

Acanthurus lineatus

Brown Tang

Zebrasoma scopas

Can be brownish to yellowish, but identifiable  by white spine by the tail.

Pale Surgeonfish

Acanthurus mata

A schooling specices of surgeonfish.

Sailfin Surgeonfish

Zebrasoma desjardinii

Spotted Yellow-eye, or Gold-ring, Bristletooth Tang

Ctenochaetus truncatus

Note the tiny pale spots over the body.