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A critically endangered hawksbill sea turtle (Eretmochelys imbricata) feeds on an Andaman Sea reef before swimming directly beneath the camera, producing a full top-down view of its carapace and the amber, brown and black scute patterning that distinguishes this species from all other sea turtles. Each hawksbill's scute pattern is unique, functioning like a fingerprint that researchers use for individual photo-identification in long-term population monitoring programmes. 4K, close-up to wide, horizontal frame, overhead angle, scuba diver POV. Ko Haa Archipelago, Andaman Sea, Krabi Province, Thailand.