One of the largest aquaria in Europe, containing over 1m litres of water. Learn about all the world's oceans, as well as rainforest, tropical freshwater, seashores and beaches. See a recreation of a coral reef. Details of the daily expert talks can be found on the video screens in the foyer. The aquarium also operates a conservation and breeding programme run by a team of specialist biologists. A visit to the three levels of the complex in County Hall takes approximately one and a half hours.