Shanghai marine aquarium is located at 1388 Lujiazui Ring Road, Pudong New Area, Shanghai, China, next to the Oriental Pearl Tower. Singaporean Xingya Group and Chinese Poly Group have jointly invested $55 million to build it with a construction area of 20500 square meters. Opened to the public in February 2002, it receives an average of more than 1 million tourists from all over the world every year. It has been awarded the title of "Popular Science Education Base" by the state and Shanghai, and is also one of the largest artificial seawater aquariums in the world. Shanghai Marine Aquarium is a modern large-scale marine aquarium with first-class international standards. There are nine exhibition areas in China, South America (Amazon), Australia, Africa, Southeast Asia, Cold Water, Polar, Coast and Deep Sea. More than 450 species, 12,000 rare fish and endangered species from five continents and four oceans were exhibited. The aquarium is also 155 meters long and is one of the longest underwater tunnels in the world, giving visitors a sense of immersion. The most distinctive features are the electric eel of South America, the sawfish and Water-Shooting fish of Australia, the penguin of Antarctica, and the charm of the precious grass sea dragon and the ribbon sea dragon of the town hall. Tourists marvel at jellyfish's graceful figure and will experience six different marine customs in the deep sea, including the breathtaking "Shark Bay". The layout of the building is similar to the pyramid, and the whole building is composed of the main building aquarium and the auxiliary building. Each floor of the main building is specifically distributed as : the first floor: with halls, ticket offices, gift shops and restaurants; visitors from the first floor entrance take escalators to the third floor to start visiting the aquarium; the third floor - "Fossil Exhibition, Wulin Congress-Competitive Bionic Exhibition of Aquatic Biology Survival, SOS Rescue Shark Exhibition, Rare Aquatic Biology Exhibition Area in Yangtze River Basin, China Exhibition Area, South America Exhibition Area, Australia Exhibition Area. After visiting the third floor, visitors descend to the second floor through escalators. The second floor of Shanghai Marine Aquarium is divided into six exhibition areas: Australia, Africa, Southeast Asia, Cold Water, Polar and Coast. After visiting the second floor, visitors take the escalator directly down to the second floor of the underground; the second floor of the underground - "main body of the aquarium, deep-sea exhibition area. After entering an automatic pedestrian tunnel, visitors complete the tour through a 650 cubic metre aquarium display tank and a submarine tunnel, and then return to the gift center and restaurant on the first floor from the tunnel exit. In addition to exhibiting the world's distinctive freshwater and marine life, the aquarium has the most distinctive display of grass sea dragon, ribbon sea dragon, jellyfish, penguin, spotted seal, sand tiger shark, Chinese alligator, Chinese sturgeon and other rare species in the world. In addition to displaying aquatic organisms from five continents and four oceans, a preface hall introducing the human and geographical environment of each continents has been set up. The exhibition space shows the geographical and cultural features of fishery countries of origin in different regions by decoration, theme, pattern and sound.