One pair of nasal and orbital cirri. Orbital cirri unbranched.
Greyish with a blue hue. Blue-white spots on head and body. Red iris. Lips a light pinkish-red bordered by a solid dark red. Top of head with a darker grey blotch. Reddish hue on the belly. Red blotches along midflank and upper body.
Males: dark bluish head with the front of head red. Pinkish-red lips. Both cirri reddish. Front of dorsal fin red with a black blotch at start.
Reaches 5.0 cm.
Found in empty barnacles and worm tubes in rocky reefs.