red sea fan on reef drop off

acidification adventure barrier bay beautiful biodiversity biology bright calm class climate colorful colors conservation coral corals currents destination diverse diversity diving ecology ecosystem environment explores fan fish fragile habitat healthy illuminate island islands known lagoon landscape life light limestone marine micronesia micronesian morning natural nature niche ocean outdoor pacific palau park plankton red reef republic research resort science scuba sea seafloor seascape snorkeling sun sunlight tourism travel tropical tropics underwater vibrant water wildlife