Alan J Powderham

Endlessly fascinating, unpretentiously educational, thoughtfully accessible and beautifully presented - Alex Tattersall, award-winning underwater photographer and the founder of Underwater Visions. The Coral Triangle, straddling the confluence of the Indian and Pacific Oceans, harbours the greatest biodiversity of marine life on the planet. It is home to a wondrous variety, including 75% of the world's coral species and around 2500...