Bright yellow head and forebody, deep blue behind with yellow tail, blue saddle across the forehead extending to the eyes. It lives in pairs or small groups. It moves around by swimming from one hiding place to the next.

Least concern on the IUCN Red List. This species is exported for commercial aquaria, but that does not have a significant impact on the global population.

Indo-Pacific: East Africa to the Samoan and Phoenix Islands, north to southern Japan, south to New Caledonia; throughout Micronesia. Inhabits lagoons, channels, or protected seaward reef slopes, drop offs, coral and rubble areas. It can be found in a depth range of 1-25 meters.

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