Gdynia Aquarium is one of the largest facilities of its kind in the country. It has the longest tradition associated with the gathering and exhibiting of aquatic fauna and flora. Belonging to the structures of the National Marine Sea Fisheries Institute, which is the oldest unit dedicated to the sea research in Poland, Aquarium presents the most interesting aquatic fauna individuals.
The Gdynia Aquarium, which since 2005 has the status of the zoo, presents four main habitats: coral reefs, ocean depths, dense Amazonian tropics and the Baltic Sea. Their representatives can be found on the three floors of the building, located in the 68 aquariums of the exhibition. Tanks' capacities range from 200 to 10,000 liters and there are over 1,500 living organisms with about 250 species.