dugong sirenia marine mammal on an indonesian reef

ampat and area batanta biodiversity birie blue bubbles clear coral crystalline damaged diver divers diving dugong ecosystems for from full holidays hotspot hour house human impacts indonesia indonesian island least less life liveboard lovers make mammal marine near ocean one paradise perfect place population raja reef reefs richness scuba sea sirenia small snorkelers snorkeling sorong species the threaten transparent triangle tropical try underwater untouched water wild wildlife