F or aquarium enthusiasts looking to add a touch of the extraordinary to their tanks, there’s a world of unusual fish species that can make a home aquarium stand out. Beyond the usual goldfish ...

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

Biologists are monitoring an Australian crayfish that surprisingly showed up in Texas, fearing it could threaten local ...

These fish are particularly interesting because, unlike many other fish species ... provide an ideal home for the fish, but are open on one side. Placed against the aquarium glass, the researchers ...

On Thursday, the Aquarium of the Pacific released its first Marine Species Report Card, detailing the population trends of 30 ...