Osaka Aquarium Kaiyukan

Osaka Aquarium Kaiyukan
The Kaiyukan Aquarium
34°39′16.1″N 135°25′44.0″E / 34.654472°N 135.428889°E / 34.654472; 135.428889
Date openedMay 1990
LocationOsaka, Japan
Land area26,570 m2 (286,000 sq ft)
No. of animals29,000
No. of species420
Volume of largest tank5,400,000 litres (1,427,000 US gal)
Total volume of tanks11,000,000 litres (2,906,000 US gal)
Annual visitors2.5 million+
MembershipsJAZA
Major exhibitsThe Pacific Ocean tank etc.
Managementkaiyukan company
Public transit access Chūō Line at Osakako (Osaka Metro)
Websitewww.kaiyukan.com/language/eng/

The Osaka Aquarium Kaiyukan (海遊館, Kaiyūkan; known as the Kaiyukan) is an aquarium located in the ward of Minato in Osaka, Osaka Prefecture, Japan, near Osaka Bay. When it first opened, it was the largest public aquarium in the world.

It is a member of the Japanese Association of Zoos and Aquariums, and the aquarium is accredited as a Museum-equivalent facilities by the Museum Act from Ministry of Education, Culture, Sports, Science and Technology.

The aquarium is about a five-minute walk from Osakako Station on the Osaka Municipal Subway Chūō Line, and is next to the Tempozan Ferris Wheel.