snorkeler above underwater crevice

above acidification adventure ampat array beautiful biology blue bright camouflage change climate conservation coral crevice deep detail dive divers diverse diversity diving ecology ecosystem environment evolution explore fish habitat healthy indonesia island islands large life light marine narrow natural nature niche ocean outdoors pacific raja recreation reef region remote research resort sand scenery scenic science scuba sea seagrass seascape seastar shallow silhouetted snorkeler snorkeling southern sun sunlight support surroundings travel triangle tropical tropics underwater vibrant warm water wide wilderness wildlife