This is a aquarium with a landmark large glass dome. The aqua theater, where you can observe Pacific bluefin tuna swimming in the gigantic tank, and the highest class penguin exhibition in Japan, are special features. It is possible to encounter creatures from diverse environments, such as "the Sea of Tokyo" that is Ogasawara, the Izu islands, and Tokyo Bay, from the Pacific or Atlantic, and "the Sea of the World”, such as the Arctic, Antartic, or Caribean, which are uncommon throughout the world.