Through 48 windows in a room decorated like Captain Nemo's study in the Nautilus, Sala Nautilus is an observation room immersed in a 4400000 litres pool containing 700 fish of 34 different species: sand sharks, amberfish, amberjacks, yellowtails, groupers, ocean sunfish; there are also different kinds of sharks like school sharks, angel sharks, spiny dogfish, hound sharks, nursehounds and catsharks as well as frequenters of the Galician coast like sea bass, red gurnards, immense turbots, skates and filefish.