Gray reef sharks in the warm waters above a coral reef.

animal behaviour swimming animal swimming submerged nobody horizontal colour image photography animal fish cartilaginous fish shark cnidarian anthozoan sea anemones and corals coral ocean floor reef coral reef flowing water ocean underwater nature nature reserve wildlife reserve marine life wildlife gray reef shark chondrichthyes carcharhiniformes carcharhinidae carcharhinus amblyrhynchos toau atoll tuamotus palliser group french polynesia underwater photography