Scientist free diving to make a photo identification of an individual manta ray (Manta birostris), Yum Balam Marine Protected Area, Quintana Roo, Mexico, North America

A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific

People on boat taking pictures ofBasking shark dorsal fin for photo-identification.(Cetorhinus maximus) Hebrides, Scotland (RR)