Sea fans, barracuda & a giant clam in 4K Wild Oceans (HD)

Take your time exploring the unusual reef formations of Thailand’s Phi-Phi National Marine Reserve and you’ll be treated to some amazing sightings! Our cameraman captures a huge school of yellowtail barracuda, a giant clam, a creepy-looking sea cucumber, vividly coloured scorpionfish and some impressive gorgonian sea fans – all in ultra HD.