MATING GREEN SEA TURTLES. Coral Tri Turtles © Jürgen Freund / WWF-Canon. Sipadan Island, Malaysia. This split-level image of mating green turtles (Chelonia mydas) in the reef shallows is the cover shot for the newly-released book. "The Coral Triangle," printed in a limited run. The book includes more than 400 photographs of a region of the ocean encompassing the waters of Indonesia, Malaysia, the Philippines, Papua New Guinea, Solomon Islands, and Timor-Leste.