Fakarava, large school of grey sharks in the deep blue of the pass Tetamanu

grey reef sharks sharks schooling Carcharhinus amblyrhynchos shark group grey pass Fakarava Tetamanu ocean current swim school tropical Polynesia banc requins gris groupe passe courant ocean Pacifique sous marin nager Polynésie undersea pass shark grey school requin gris banc group groupe coral sous marin corail fakarava sud Tetamanu atoll open water drifting dérivante plongée diving day jour ocean wide shot low angle