Pennant Bannerfish, Heniochus diphreutes, Blue Corner, Micronesia, Palau

shoal school schooling swarm group groups reef reefs coralreef coralreefs coral reef bannerfish bannerfishes heniochus butterflyfish butterflyfishes chaetodontidae perciformes chordata coralfish coralfishes coralfish underwater marine wildlife marine fauna nature aquatic sea ocean underwaterphoto underwaterpicture underwaterphotography underwaterworld sealife carolines islands carolines pacific oceania oceanica pennant bannerfish heniochus diphreutes blue corner micronesia palau horizontal format