The U.S. Fish and Wildlife Service proposed to designate critical habitat for four species of endangered freshwater mussels.

These are better known as Siamese Fighting fish, and while one may be hypnotic and mesmerising, they are tricky to keep and ...

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found.

That’s the saltwater side of the Shedd Aquarium’s new “Wonder of Water” centerpiece beneath its rotunda — part of $250 ...

A new exhibit in the Shedd Aquarium's iconic rotunda space, featuring both fresh and saltwater ecosystems, will debut to the ...