Sharks have no bones at all. Their skeletons are made of cartilage, which makes them lighter, more flexible and better suited ...

It’s a question that often comes up in trivia quizzes. The implication that an apex predator could be boneless is received ...

‘We think early sharks developed a cartilaginous skeleton because it better suited their lifestyle,’ explains Emma Bernard, our Fossil Fish Curator. ‘Being light and more flexible than bone, cartilage ...

Teeth grew from the scales of primitive shark-like fish millions of years ago, research by scientists suggests. Old lineage cartilaginous fish like sharks, skates and rays that have skin which ...

The difference between a shark and other fish: Unlike bony fish, sharks, rays, skates, and chimaeras are cartilaginous fish, meaning their skeletons are made of cartilage, not bone. Their skin is ...

With a torpedo-like body, they were fast swimmers, relying on speed to hunt primitive fish and other marine creatures. Sharks’ defining feature, their cartilaginous skeletons, was one of the key ...

Sharks are elasmobranchs, meaning they are made of cartilaginous tissues. Other elasmobranchs include rays, sawfish and skates. These types of fish are lighter than others since cartilage is ...