Large marine Manta Ray glides effortlessly through the turquoise water of a tropical island on the Great Barrier Reef

scuba scuba diving diver snorkeling underwater video great barrier reef tropical destination tropics protected species zoo marine conservation global warming coral coral bleaching travel destination tourism tourist australia marine park animal encounter fish pacific nature wildlife water activity ecosystem creature wings animal behaviour unique pattern looking down glide effortlessly manta ray unique perspective oceanic manta ray national geographic mobula birostris pectoral fins lady elliot island turquoise water glides effortlessly research program drone view silhouette feeding breeding 4k resolution