A study in Japan found that species mainly feeds on fish eggs and polychaetes.
Mimics the appearance and cleaning behaviour of the Bluestreak cleaner wrasse to evade predators and get close enough to other fishes for feeding.
While the Bluestreak cleaner wrasse “cleans” other fishes as a service by picking off their parasites, the present species is not documented to actually clean, but instead bites other fish.
Description
Anterior body white to yellowish, posterior body bluish.
Anterior body white to yellowish, posterior body bluish.\
A horizontal black band from snout to the end of tail, becoming progressively thicker.
Mouth opens downwards just underneath the tip of the snout, which is different from similar looking Bluestreak cleaner wrasse, in which the mouth opens forward at the tip of the snout.