School of sergeant major fish swims above a vibrant coral reef off Kri Island in the Raja Ampat archipelago, Indonesia

sergeant major fish school abudefduf vaigiensis swims vibrant coral reef kri island raja ampat archipelago indonesia clear waters underwater paradise nature travel tourism tropical exotic asia southeast asia scenic natural beauty marine life aquatic wildlife snorkeling reef conservation marine conservation scuba diving ocean life coral ecosystem pristine waters diving spot adventure ecotourism aquatic beauty underwater scenery coral diversity reef structure ocean exploration aquatic environment underwater ecosystem ocean biodiversity vibrant corals reef fish underwater beauty biodiversity blue