Longfin Bannerfish over Coral Reef, Heniochus acuminatus, Triton Bay, West Papua, Indonesia

longfin bannerfish bannerfish bannerfishes heniochus butterflyfish butterflyfishes chaetodontidae perciformes chordata coralfish coralfishes coralfish shoal school schooling group birds head arafura sea papua irian jaya western new guinea asia nature sea ocean sealife marine wildlife marine fauna underwater underwaterphoto underwaterpicture underwaterphotography underwaterworld longfin bannerfish over coral reef heniochus acuminatus triton bay west papua indonesia horizontal n/a n/a rm