The tripletail wrasse (Cheilinus trilobatus) is a species of marine ray-finned fish from the family Labridae, the wrasses.
It has a moderately deep body with a tri-lobed tail. Its body is green to brown with molted purple and red markings.there are 4 vertical dark stripes on its body. Its head has red spots and red lines radiating from its eye.
It lives in lagoons and seaward reefs at depths of .
It eats shelled benthic invertebrates such as mollusks and crustaceans, but sometimes fish.