© Compass jellyfish (c) Johannes-Maria Schlorke

© The virtual exhibition also features the motif of Nemo, a clownfish living in the tropical aquarium of the German Oceanographic Museum. (c) Johannes-Maria Schlorke/Deutsches Meeresmuseum

© Five sturgeons of three different species (including the Russian Sturgeon) live in the river basin exhibit within the Ozeaneum. (c) Johannes-Maria Schlorke

© Ozeanuem: The "Open Atlantic" basin contains 2.6 million litres of water. All maintenance and cleaning work here must be performed by divers. (c) Uli Kunz