( CNN ) -- Of all the bizarre art niches out there , `` goldfish aquarium art '' must rank fairly high . Yet the artist Hidetomo Kimura has built an entire career as an `` art aquarist , '' and his weird and wonderful live installations are now on display again at an exhibition , `` Edo -- the coolness of goldfish '' ( link in Japanese ) , at the Nihonbashi Mitsui Hall , in Tokyo . First held in 2011 to mark the centenary of the Nihonbashi Bridge , where the hall is located , the unusual exhibit proved so popular it has been held each year since . Insider Guide : What to do in Tokyo . This year , Kimura 's exhibition uses 5,000 goldfish displayed in 17 installations made of 70 aquariums . The tanks are embellished with light displays and futuristic designs but also retain traditional symbols of Japanese culture such as kimonos , folding screens and lanterns . The exhibition turns into a music lounge in the evenings ( called Night Aquarium ) and on the weekends . Art Aquarium ( link in Japanese ) , . Nihonbashi Mitsui Hall , Nihonbashi Nihonbashi , Chuoku , Tokyo ; +81 3 3270 2550 . July 13-September 23 , 2013 , 11 a.m.-11:30 p.m. ; admission Â¥1,000 ( $ 10 )
Art aquarist Hidetomo Kimura 's installations now on display in Tokyo . Hide Caption 1 of 10 Photos:Photos: 'Aquatic' art from around the world 'Aquarium' art from around the world – Futuristic show retains traditional Japanese symbols .