Red with a white stripe down the back and long white antennae, at a fixed cleaning station in a hole or under a ledge, usually in pairs.
To about 6 cm. A yellow body with a continuous white stripe down the back bordered by red on each side, white antennae and yellow legs.
Its Pacific sister species dominates the aquarium trade and looks almost identical; the difference is that the white dorsal stripe is interrupted on the tail fan there and runs unbroken to the tip here.
It works from crevices and ledges on shallow reef, waving its long white antennae to solicit. Recorded clients include groupers, parrotfish and tangs.
The nip a diver feels if they offer a hand is a cleaning attempt and is harmless.
Ratings are per location: 1 means found on most dives that look for it, 5 means a handful of records. Where enough dives have been logged the figure is calculated from them; otherwise it is an editorial estimate, and says so. We publish habitat and destination, not the dive site.