Unlike humans and other mammals, the skeletons of sharks, skates, and rays are made entirely of cartilage.
The latest shark news, photos and videos
Recent Posts
- Great whites circle 42-foot whale carcass, closing Perth beach
- Orcas kill great white sharks in several regions, studies show
- Dusky shark stuck in Busan canal draws almost 1.4 million onlookers
- Huntington Beach closes beach after 10- to 12-foot great white sighting
- The Northwest Atlantic migration of the great white shark
- How to find shark teeth: where to look, when to go and what to bring
- Greenland drops 1,000-shark bounty as fishers still seek relief
- Legendary sharks: Big Mo, Harbor Master, the Black Demon and more
