Hologymnosus rhodonotus

Hologymnosus rhodonotus, the redback longface wrasse or the red slender wrasse, is a species of marine ray-finned fish from the family Labridae, the wrasses. It is found in seaward reefs in areas where coral and rubble are mixed at depths between 22 and 45 m. It is distributed in the western Pacific Ocean from Japan to Indonesia, as far south as the Timor Sea in Australian waters.