image courtsey: grayduck
The Aquadom is a 25m tall cylindrical acrylic glass aquarium with built in transparent elevator. It is the largest (by volume) acrylic cylindrical aquarium in the world, with a diameter of about 11 m, and it is built on a 9 m tall foundation.. This huge fish tank is located at Radisson Blu-Hotel in Berlin, Germany. Apart from this aquarium, the complex also has offices, a restaurant, and the aquarium Sea Life Centre.
The Aquadom aquarium was opened in 2004. The construction of this Acrylic cylinder costs around 12.8 Million Euros. The acrylic glass is 20 cm thick. It is filled with 1,00,000 litres of water and contain over 1,500 fish of 50 species including sharks, rays and sea horses etc. The feeding of the fish and the cleaning of this large Aquadom is performed daily by 3-4 divers. The fish need 8 kg of fish food.