Moon Wrasse.

The moon wrasse, Thalassoma lunare, is a wrasse of the Labridae family found in the Indo-Pacific oceans at depths of between 1 and 20 m. Its length is up to 25 cm.

Juveniles are blue on the lower half of the body. They have a black spot in the middle of the dorsal fin and a black blotch on the caudal fin base.

They are protogynous hermaphrodites.