Wild Caribbean reef fish anywhere in the Caribbean. The final island to be featured is Trinidad, cut off from South America by rising sea levels 2,000 years ago. Its island fauna include many mainland species such as red howler monkeys, capuchins and scarlet ibis. Coral reefs, which thrive in the warm, shallow waters around Caribbean Islands, are the subject of the second programme. Hard corals are the reef-builders, and grow their tough external skeletons by extracting nutrients from algae growing within them. Time-lapse footage shows coral polyps emerging at night to trap drifting plankton. Marine life featured includes Caribbean reef squid, octopus
Fuerte Island Fuerte Island Fuerte Island (Isla Fuerte) is a small coral island in the Caribbean Sea off the northern coast of Colombia, Córdoba department, located south of the Gulf of Morrosquillo. It is located at a distance of 11 km from mainland Colombia. It is part of the chain of islands formed by the Rosario Islands, the Archipelago of San Bernardo and Tortuguilla. The island has very limited facilities for visitors. Fuerte Island is approximately 1 mile in diameter and 1.5 miles from north to south. The island has an area of 3.25 km² and an elevation of 12m. The island