Distinctive Characters: Dorsal fin with 11 spines and 12 rays. Anal fin with 3 spines and 14 rays. Pectoral fin with 15 rays. Body depth 2.4-2.9 in standard length. A pair of spatulate incisiform teeth at the front of each jaw.
Colour: Dark reddish brown. Juveniles with one dorsal and one ventral blue stripe. Adults with neon blue margins to dorsal, caudal and anal fins. Pale streak across upper lip.
Habitat and Biology: Common on rock and coral reefs to a depth of 60 m. Feeds on encrusting organisms. Juveniles have been observed cleaning other fishes.
Remarks: Pseudodax molucannus is the only species of the genus. It can easily be distinguished from other wrasses by its large spatulate incisiform teeth.