Sharks have roamed the open seas for close to half a billion years and have witnessed the Earth’s evolution from a primordial ...

‘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 ...

And all it takes is a fundamental combination of bone, muscle, and cartilage working together to drum against the fish’s swim bladder, producing the loud noise. But sound production isn’t just ...

The Devonian ancestors of fishes living today belonged to two main nonarmored groups. The cartilaginous fish, so-called because cartilage formed their skeletons, later gave rise to sharks and rays.

Here comes a sobering reminder. A pod of orcas ( Orcinus orca) that patrol the Gulf of California have devised collaborative hunting techniques to take down the biggest fish in the ocean: the ...

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 ...