Fish

Deceptive perch species can mask its proximity from potential targets.

These fish don't compensate for blindness with improved hearing.

It's feast and famine for Alaskan Dolly Varden.

Aggressive overfishing threatens to push some shark species to extinction. A new study puts annual shark deaths at 100 million.

Experts say the Mediterranean diet is indeed one of the healthiest diets on the planet.

The drug also makes fish eat faster than usual.

Only a scurvy pirate would dare fish the forbidden waters of the Tortugas Ecological Reserve.

But nuclear contamination worries may be exaggerated, some say.

The answer is less clear than you might have thought.

Diet and medicine are equally important in heading off recurrent heart attacks and strokes, a new study suggests.

Fish thrive in the Velella Project Beta-trial testing a drifting fish pen concept.

New fossil evidence suggests the origin of great white sharks.

Fish yawn, cough, and even burp. But they don't get choked up.

When you breathe in air, the air travels from your nose, down your trachea (windpipe), and into your lungs.

As a fish decomposes, gases fill the body cavity like a balloon.

Manta rays gather in the Great Barrier Reef in winter and autumn.

The raw fish and rice in sushi require careful preparation for safe eating.

Cheryl Wilga's life-long passions grew into a career of research and teaching others about animal behavior.