Giant triggerfish and butterflly fishes searching the dead corals for prey, 4K UHD

trigger fish Butterfly fish Balistoides viridescens Balistidae search looking for prey giant trigger fish black yellow sand coral acropora group schooling coral reef undersea life tropical fish underwater 4K footage Tikehau French Polynesia poisson papillon Chaetodon ulietensis baliste géant poisson tropical groupe banc de poissons récif corallien corail passe vie sous marine Polynésie française video 4K UHD shot-on-red