Papua New Guinea, Diversity, Swimming, Asia, top of the food chain, Coral Triangle, Indo Pacific, Marine, PNG, Blue, Reefs, Motion Blur, Blue Planet, Pacific, predator, biodiversity, South-east-asia, Tropical, Reef, South East Asia, Shark, vertebrates, Seascape, pristine waters, elasmobranch, Shark Fin Soup, Seascapes, Chondrichthyes, Sharks, Underwater, Coral Reef, species decline, shark finning