Goldfish swim in a tank, aquarist, art exhibition, 'Art Aquarium,' in Tokyo. 金魚在魚缸游泳, 水族館員, 藝術展, 東京 “藝術水族館”

Goldfish swim in a tank as part of art exhibition 'Art Aquarium' during a press preview in Tokyo. The exhibition, designed by aquarist Hidetomo Kimura, will begin from July 13 through September 23.
July 12, 2013 http://www.voanews.com/media/photogallery/1700580.html

Fishtank (disambiguation) - Wikipedia, the free encyclopedia
Fishtank or Fish Tank
https://en.wikipedia.org/wiki/Fishtank_(disambiguation)
Fish Tank (film) - Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Fish_Tank_(film)
魚缸 (電影) - 維基百科，自由的百科全書
https://zh.wikipedia.org/wiki/%E9%B1%BC%E7%BC%B8_(%E7%94%B5%E5%BD%B1)
aquarist - WebSaru英漢字典
n.水族館管理人,水族養殖業余愛好者
http://tw.websaru.com/aquarist.html

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