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

TOBA, Mie Prefecture—A rare deep-sea shark continues to set longevity ... It is unknown why the shark at the Toba Aquarium is the only one in Japan to live for more than 30 years in captivity.

When a sunfish in a Japanese aquarium suddenly fell into a deep pit of depression and stopped eating, staff were forced get ...

Sunfish, found in every ocean in the world, are a delicacy in Japan. They are believed to be able to live up to 10 years in captivity, though they are not commonly found in aquariums due to the ...

FUKUOKA--Only three sea otters remain at aquariums in Japan, and they are now treated like rock stars because of their advancing years. Japan was once home to dozens of the cute mammals.