Sailfin armourhead
The sailfin armourhead, also known as the threebar boarfish, is a species of marine ray-finned fish, an armourhead from the family Pentacerotidae which is native to the Indian Ocean and the western Pacific Ocean. It is an inhabitant of rocky reefs in deeper waters of in depth. This species grows to a length of, though most are only around. It is a commercially important species, and is the only known member of its genus.