Walking through the glass tunnels feels like stepping into the ocean itself. Osaka Aquarium Kaiyukan, Japan Osaka Aquarium in Japan is a captivating aquarium designed around the Pacific Rim’s ...

An aquarium in Japan is using cardboard cutouts of visitors to cheer up its lonely resident sunfish, who stopped eating after the building closed to real-life visitors. Kaikyokan Aquarium in ...

A solitary sunfish at an aquarium in southwestern Japan lost its appetite, began banging into the side of the fish tank and appeared unwell days after the facility closed last month for renovations.

This may sound like the start of a particularly silly joke, but it was a very real challenge faced by staff at a Japanese aquarium when they noticed their sunfish was ailing. Almost as soon as the ...