Osaka Aquarium Kaiyukan

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Osaka Aquarium Kaiyukan
Osaka Aquarium logo.png
The Kaiyukan Aquarium
Date openedMay 1990 [1]
LocationOsaka, Japan
Coordinates34°39′16.1″N 135°25′44.0″E / 34.654472°N 135.428889°E / 34.654472; 135.428889Coordinates: 34°39′16.1″N 135°25′44.0″E / 34.654472°N 135.428889°E / 34.654472; 135.428889
Land area26,570 square metres (286,000 sq ft) [2]
No. of animals29,000 [3]
No. of species470 [3]
Volume of largest tank5,400 cubic metres (190,699 cu ft) [4]
Total volume of tanks10,941 cubic metres (386,378 cu ft) [4]
Annual visitors2.5 million+
Public transit accessOsaka Metro logo 2.svg Osaka Metro Chuo line symbol.svg Chūō Line at Osakako (Osaka Metro)

The Osaka Aquarium Kaiyukan (海遊館, Kaiyūkan, known as the Kaiyukan) is an aquarium located in the ward of Minato in Osaka, Japan, near Osaka Bay. It is one of the largest public aquariums in the world,[6] and is a member of the Japanese Association of Zoos and Aquariums (JAZA).

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.[6]


The walk-through aquarium displays marine life in several habitats comprising 27 tanks in 16 main exhibits with a total volume of 10,941 tons of water. The habitats are from the Ring of Fire area of the Pacific Ocean. The largest tank is 9 metres (30 ft) deep and holds 5,400 cubic metres (190,699 cu ft) of water and a variety of fish including manta rays and 2 whale sharks.[4]

The tanks used in the aquarium are made of 314 tonnes (346 tons) of acrylic glass. The largest single pane measures six meters by five meters by thirty centimeters and weighs roughly 10 tons. At the thicknesses used, regular glass would be unwieldy and would not have the desired transparency.

The "New Interactive Area" that opened in 2013 allows visitors to see the animals up close and possibly touch them. In the "New Interactive Area", 3 zones are constructed, the Arctic zone, in which you see rounding ringed seals, Falkland Islands Zone, where you can see the rockhopper penguins, and the Maldives Zone, in which you can directly touch sharks and rays. [7]

The themes, displays and their respective organisms at Kaiyukan are as follows;

Tunnel Tank[edit]

Japanese Forests[edit]

Aleutian Islands[edit]

Monterey Bay[edit]

Panama Bay[edit]

Ecuadorian Jungle[edit]


Tasmanian Sea[edit]

Great Barrier Reef[edit]

The Pacific Ocean[edit]

This is largest tank in the aquarium.

Seto Inland Sea[edit]

  • Fish native to Seto, Japan

The Giant Kelp Forest[edit]

Chilean Rocks[edit]

Cook Strait[edit]

  • Sea tortoises and other species

Japanese Trench[edit]

Deep sea Zone[edit]

Jellyfish Area[edit]


The Kaiyukan’s conceptual design, architecture, and exhibit design was led by Peter Chermayeff of Peter Chermayeff LLC while at Cambridge Seven Associates.[1]


  1. ^ a b "Peter Chermayeff LLC". Peter Chermayeff LLC. Archived from the original on 27 April 2012. Retrieved 23 July 2010.
  2. ^ "Osaka Aquarium (Kaiyukan)". Frommer's. Retrieved 23 July 2010.
  3. ^ a b "About Us". Osaka Waterfront Development Co. Ltd. Archived from the original on 2010-03-29. Retrieved 23 July 2010.
  4. ^ a b c "Exhibition". Osaka Waterfront Development Co. Ltd. Archived from the original on 2010-03-29. Retrieved 23 July 2010.
  5. ^ "List of Aquariums" (PDF). Japanese Association of Zoos and Aquariums. Retrieved 12 June 2010.[permanent dead link]
  6. ^ a b "Osaka Aquarium". GoJapanGo. Retrieved 20 April 2012.
  7. ^ "Osaka Aquarium Kaiyukan - Osaka Travel Guide | Planetyze". Planetyze. Retrieved 2018-01-30.

External links[edit]