Group of Longfin Bannerfish, Heniochus acuminatus, Great Barrier Reef, Australia

longfin bannerfish bannerfish bannerfishes heniochus butterflyfish butterflyfishes chaetodontidae coralfish three ribbon reef queensland cairns gbr coral sea geography nature sea ocean sealife marine wildlife marine fauna underwater underwaterphoto underwaterpicture underwaterphotography underwaterworld group of longfin bannerfish heniochus acuminatus great barrier reef australia horizontal n/a n/a rm