Underwater footage of a red finger Gorgonia sea fan (Diodogorgia nodulifera) on a coral reef. Coral reefs are the one of earths most complex ecosystems, containing over 800 species of corals and one million animal and plant species. Coral reefs are currently suffering from rising sea temperatures caused by Global Warming. The water is clear blue in this example of a fragile ecosystem. Footage taken whilst Scuba Diving at Phi Phi, Andaman Sea, Krabi, Thailand. Sony mirrorless camera with underwater housing and dual Scubalamp V6K pro lighting used.