Fish ID: Clown Unicornfish

Surgeonfish bluespine surgeonfish ci fci
Family Surgeonfish (ACANTHURIDAE)
species Naso lituratus
size Up to 30cm
locality Outer reefs
behaviour Solitary
range Tropical Indian and Pacific Oceans

Most easily recognised by the two keels, which are bright orange/yellow, and clown-like face. Vivid pale blue lines at base and edge of dorsal fin, orange anal fin. (Note the Mimic which looks similar doesn’t have the double keel).