Zanclidae - moorish idols ,only 1 species in this family

The Moorish Idol, Zanclus cornutus, has an elongate snout, a very long dorsal fin filament, and distinctive black yellow and white bars. Juveniles (below) are generally solitary, whilst adults are usually in pairs, but sometimes in schools. Moorish Idols can be confused with the Reef Bannerfish.

Distribution =   Indo-central Pacific, northern Australia
Max size =   24cms