The Nature Conservancy - Coral reef movi...
Palau is one of the seven underwater wonders of the world, with dugongs, saltwater crocodiles, 550 coral species, 300 species of sponges and 1,300 varieties of reef fish. In 1998, Palau's corals were severely damaged by coral bleaching, whereby warmed ocean currents and too much sunlight penetrating the water turned corals white, brittle