Some sharks are filter-feeding planktivores, such as the whale shark and basking shark, which are among the largest fish ever lived. Sharks are caught by humans for shark meat or shark fins. Many …

3 days ago · Shark, any of numerous species of cartilaginous fishes that make up the order Selachii (class Chondrichthyes). Most species have a tough skin that is dull gray in color and roughened by …

Scientists are still trying to figure out how long sharks live and have only studied the ages of a fraction of shark species. Most notable is the Greenland shark, Earth’s longest-lived ...

An annotated and illustrated catalogue of shark species known to date. by Leonard J.V. Compagno, Ph.D., the world’s foremost expert on sharks and Director of our Board of Trustees.

May 17, 2024 · His cinematic shark tale was so affecting that its release led to a rise in galeophobia and a fear of attacks which scientists have called the ‘Jaws effect’. In real life, sharks come in all shapes, …

There are over 400 shark species worldwide. Learn how WWF protects sharks from threats like overfishing and habitat loss.

Some shark species (such as the great white shark) prefer cooler waters, while others (like the whale shark) prefer warmer waters. Some sharks (like the bull shark) are even able to live in both saltwater …

Jun 11, 2025 · The smallest shark is the deepwater dogfish (Etmopterus perryi) at only 8 inches and the largest is the whale shark (Rhincodon typus), which, at 13 meters, (42 feet), is the largest fish in the …

3 days ago · Goblin Shark (Mitsukurina owstoni): The Goblin Shark, which is sometimes referred to as a living fossil, is a type of shark that is found in the deep sea. This unique-looking shark is easily …

Unlike bony fishes, which have one gill slit on each side of their bodies, most sharks have five slits on both sides that open individually (and some shark species have six or seven). After water flows into a …