Sharks don’t have bones. Their skeletons are made of cartilage - the same soft, flexible stuff as your ears and the tip of your nose are made of. This is true for all sharks, from the formidable great ...

Sharks’ defining feature, their cartilaginous skeletons, was one of the key reasons they evolved so early, making them perfectly adapted to thrive in a watery world. See, unlike the rigid bony ...

Cartilage is found at the ends of bones and where joints meet. Tendons attach muscles to the skeleton. Synovial joints (freely movable joints) allow us the free movement to perform skills and ...

But what did they evolve from, are they 'living fossils', and how did they survive five mass extinctions? Sharks belong to a group of creatures known as cartilaginous fishes, because most of their ...

Instead, their skeletons are made of cartilage, the same flexible tissue that makes up our ears and noses. But why don’t sharks have bones, and how does this anatomical feature contribute to ...