likely Wharf Ocean Aquarium is currently the largest non-profit ocean aquarium fully open to the public in Chongqing in terms of area of interior space. 
As the only free ocean aquarium open to the public in Chongqing, the aquarium has 400T seawater and keeps over 1000 varieties of tropical marine fish such as whitetip shark, swallow ray and sea turtle. 

likely Wharf Ocean Aquarium has the world’s advanced life support system. To “cultivate taste of the public, educate students and protect ecological environment”, the aquarium creates several theme areas for visitors including “Underwater Wonderland”, “Sharks Town”, “Sea Turtle Strait” and “Tour under the Sea.” The aquarium keeps and showcases over 1000 varieties of marine fish and marine life.

Except observing marine life, likely Wharf Ocean Aquarium also offers marine knowledge classes to children and teenagers. These classes combine lectures with interesting activities offering a colorful experience to attendees. Spectacular underwater performance is also offered such as mermaid performance, seabed wedding ceremony, underwater picture taking and underwater feeding...