A coral museum at the Dalian Tiger Beach Ocean Park, the largest of its kind in the country, opened yesterday in Liaoning Province. More than 5,000 pieces of coral representing 200 species are on display, which was built at a cost of 30 million yuan (US.61 million) and covers 4,000 square meters. The museum consists of an exhibition hall for rare coral insects, a marine laboratory and a diving performance area.