Sea Life Aquarium Oberhausen is the largest Sea Life Aquarium in Germany. It is located in CentrO in Oberhausen Neue Mitte. There are 10 Sea Life Aquariums in Germany and 26 in Europe. In Oberhausen there is a 12 metre long Perspex tunnel under which visitors can walk and observe the fish. The Aquarium is modelled on the river Rhine, from its source to the sea – although the Aquarium’s tanks, which hold a total of 1.5 million litres of water, are also home to sharks and ocean turtles.