Oceanarium "Kayyukan" in Osaka was opened in 1990 and is considered one of the largest in the world. This aquarium urban, that is located indoors. It presents the animals and plants that inhabit the coasts of continents and islands of the Pacific, the so-called Pacific volcanic ring - more than 30 thousand inhabitants, including fish, birds, mammals, amphibians and invertebrates, 580 species.

In 15 aquariums recreated different zones of the Pacific - for example, the ecosystems of the Aleutian Islands and the Great Barrier Reef. On the eighth floor of a Japanese man-made noise the forest in which they live monkeys and birds are singing. Also on this level are presented bright fish tropical latitudes and fish and mammals that live in fresh water.

Journey into the depths of the Pacific Ocean in the aquarium "Kayyukan" in Osaka offer visitors start at the top, the eighth floor. Visitors ascend the escalator to the roof, and then start to go down the spiral staircase, looking through thick glass aquarium inhabitants of the ocean.

During the descent down the aquarium visitors are introduced to the flora and fauna of various depths, and on the first floor of the inhabitants of the ocean floor meet. Three middle floor - from the sixth to fourth - covers the main tank 9 meters and a displacement of 5, 5 thousand cubic meters, the thickness of its walls is 30 centimeters. The main aquarium inhabited by sharks, rays, tuna and other fish. Separate inhabit the aquarium jellyfish and stingrays, there is also an aquarium in the form of tunnel. Among the inhabitants of the aquarium can also be seen octopuses, dolphins, sea lions, penguins, crabs, sea lions and blackheads.

Aquarium of the Pacific is located in the entertainment complex Tempodzan, its building is easily recognizable by marine animals images on its walls. "Kayyukan" part of the Japanese Association of Zoos and Aquariums.