One of the most important aspects of setting up an aquarium is choosing the right fish to populate it. With such a variety of ...

You may have a fear in common with many first-time saltwater aquarists. You’re worried about going to bed at night with a ...

In a river of northeastern Brazil, an “armored” creature with “large” eyes paused to rest against a rock. The maze-like ...

Deep below the surface of a river in northern Brazil, a “shy” creature tucked its “armored” body into a rocky crevice. Divers ...

The aquarium revolves around a bottom-level, open pool, which is filled with stingrays and fish. Continue upstairs and you'll discover a wide variety of marine animals, before you encounter the ...

Likewise, the Kaikyokan Aquarium’s listless fish has long been the sole occupant of its tank. But what sets sunfish apart from many other solitary creatures is that they are often stimulated by ...

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.

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 challenge faced by staff at a Japanese aquarium when they noticed their sunfish ...