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Choosing the right substrate is one of the most common challenges beginner aquarists face. With so many options, it can be ...

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.

Copyright 2025 The Associated Press. All Rights Reserved. A solitary sunfish at an aquarium in Japan lost its appetite, began banging into the side of the fishtank ...

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 ...

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 ...