Sulu Sea

(photo from en.wikipilipinas.org)
Sulu Sea A sea that holds the highest concentration of marine life, making it the center of the center of the world's marine biodiversity. Nestled in the embrace of the country’s  westernmost islands, Sulu Sea houses in its midst the Tubbataha Reef, an extremely rich coral reef perched atop a long insular shelf that extends from the island of Panay.