How do you perk up a lonely fish? This may sound like the start of a particularly silly joke, but it was a very real ...

When a sunfish started acting strange at an aquarium in Japan, the staff thought it had fallen ill. However, there was a ...

Without its usual crowd of spectators, Kaikyokan’s sunfish essentially started to fall into a deep-sea depression.

"When an aquarium in Japan closed to the public for restorations, the aquarium's beloved sunfish grew lonely without visitors ...

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

Japanese aquarium staff used cut-out human companions to cheer up a lonely sunfish, leading to improved health.

A popular sunfish in Japan lost its appetite and banged on the side of its tank after the aquarium it lived in closed for ...

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 ...

A sunfish at a municipal aquarium undergoing renovation in this west Japan city became unwell, but recovered after its tank ...

Fish have feelings too – at least if a lonesome sunfish in a Japanese aquarium is anything to go by. Animal caretakers at the ...

Staff members believe the sunfish stopped eating when the aquarium was temporarily closed because it was lonely.