Bluefin Trevally (Caranx melampygus) and schooling Raccoon Butterflyfish (Chaetodon lunula) off Lanai, Hawaii, USA.  ,  CAVES,FISH,JACKS,MARINE,MIXED SPECIES,NORTH AMERICA,OSTEICHTHYES,PACIFIC OCEAN,TROPICAL,TROPICS,UNDERWATER,VERTEBRATES,VERTICAL  ,  Visuals Unlimited