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

Filled with live plants, substrates, and glimmering schools of fish, a perfectly curated aquarium is an awe-inspiring art form. But the best aquarium pets that aren’t fish prove that our finned ...

The Kaikyokan Aquarium in Shimonoseki, Japan, which is undergoing renovations, revealed in a post on X that its staff had to think out of the box to help one of its sunfish struggling with the change.