The key lies in the tiny hairs around the edges of their adhesion discs.
Find out everything there is to know about fish and stay updated on the latest news with the comprehensive articles, interactive features and fish pictures at LiveScience.com. Learn more about these fascinating creatures as scientists continue to make amazing discoveries about fish.
Aggressive overfishing threatens to push some shark species to extinction. A new study puts annual shark deaths at 100 million.
Diet and medicine are equally important in heading off recurrent heart attacks and strokes, a new study suggests.
When you breathe in air, the air travels from your nose, down your trachea (windpipe), and into your lungs.
Cheryl Wilga's life-long passions grew into a career of research and teaching others about animal behavior.