Pesticides have polluted waterways worldwide. Understanding the subtle effects of these chemicals on fish behaviour can help ...

Weighing up to 30 pounds and supported by short, stubby orange legs with webbed feet, the American white pelican waddles like penguins when moving on land. All the while, a supersized orange bill juts ...

Fish use nearly twice as much energy to hover as to rest, revealing that staying still in water is anything but effortless.

The old idiom of being a fish out of water is never a positive thing. Instead, it paints a picture of being uncomfortable or ...

Fish make hanging motionless in the water column look effortless, and scientists had long assumed hovering was a type of rest. Now, a new study reveals that fish use nearly twice as much energy when ...

Fish make hanging motionless in the water column look effortless, and scientists had long assumed that this meant that it was ...

Hawk: If you were to write a document announcing that you were no longer going to remain anchored to the top of courthouse, ...

While Superman faced a number of villains in his '90s animated series, Lex Luthor was always there to steal the show and take ...

The secret to these fish’s survival on land lies in their physiology. Many air-breathing fish possess specialized lung-like structures in addition to their gills, enabling them to take in oxygen ...

This 375-million-year-old fish, the closest known relative of the ancestors of limbed animals such as humans, likely evolved the foundation for rear legs even before the move to land, researchers say.

Park rangers in Chester County, Pennsylvania, found an invasive snakehead fish in the Schuylkill River this week.

A complete cast and character guide for How to Train Your Dragon, comparing the animated characters to their live-action counterparts.