Off the coast of Japan, a small, spikey orange fish was caught on the end of a fishing line. The creature was pulled more than 500 feet to the surface and it was identified as a scorpionfish, a kind ...

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

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

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 ...

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

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

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

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

Some staff members had initially suspected a case of parasites or digestive issues, but one of them suggested the fish might ...

Staff had noticed that the sunfish was showing signs of distress after the aquarium was closed for refurbishment ...

Fishermen and researchers in Japan have joined hands to collect and analyze data of the changing marine environment around ...