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.

Just 30 miles northwest of U.S. Army Japan’s headquarters, Aquarium Sagamihara boasts a 131-foot tank of flowing water that replicates a living river environment. Formally known as the Sagami River ...

A Japanese aquarium closed during the coronavirus outbreak is asking people to make video calls to their eels so the sensitive creatures remember humans exist and don't pose a threat. A Japanese ...

A lone sunfish in the Kaikyokan Aquarium has drawn attention online after the staff created cutouts of imaginary visitors ...

A tank containing pufferfish undergoing treatment is seen at Kaikyokan aquarium in Shimonoseki, Yamaguchi Prefecture, Dec. 12, 2025. The role of the facility in protecting marine life is also ...

SHIMONOSEKI, Yamaguchi -- A behind-the-scenes tour for fanatical aquarium fans launched in December 2025 at Kaikyokan aquarium in this western Japan city is gradually gaining popularity, with many ...