Rangiroa, Convict tang surgeon fishes spawning over the reef, 4K UHD

convict tang spawning reproduction surgeon fish sperm releasing eggs mating pass undersea night end of day Rangiroa Tiputa ocean current school tropical Polynesia banc poisson chirurgien bagnard fraie sperme gamète laitance nuit fin de jounrée passe courant ocean Pacifique sous marin Polynésie group nager 4K video UHD Rangiroa stock footage banque d'images