Black Pyramid Butterflyfish, Hemitaurichthys zoster, Thaa Atoll, Maldives

butterflyfish butterflyfishes chaetodontidae perciformes chordata coralfish coralfishes coralfish shoal school schooling swarm group groups reef reefs coralreef coralreefs coral reef indian ocean asia geography nature sea ocean sealife marine wildlife marine fauna underwater underwaterphoto underwaterpicture underwaterphotography underwaterworld black pyramid butterflyfish hemitaurichthys zoster thaa atoll maldives horizontal rm