Natural History Museum%2c London10mon
Shark evolution: a 450 million year timeline
Acanthodians are not at all shark-like in shape, for example they have diamond-shaped scales and spines in front of all the fins,' says Emma. 'But they do have a cartilage skeleton, a shark-like skull ...
Ocean predator with ‘shovel-shaped’ head caught off Belize coast. It’s a new species
Researchers suspected these animals were being misidentified as a known species of hammerhead shark. To investigate, they ...
Natural History Museum%2c London1y
Do sharks have bones?
The exact number varies depending on the species. The only part of a shark's skeleton not made of cartilage is their teeth, which they're famous for. Since cartilage is softer than bone and teeth, it ...
BBC9y
What makes a shark?
with 510 species of shark and 650 species of ray, what do they really have in common? They both have a skeleton made of cartilage, similar to what human ears and noses are made of. It’s strong ...
Sacramento Bee1mon
Coastal predator with ‘shovel-shaped’ head caught off Belize. It’s a new species
Researchers suspected these animals were being misidentified as a known species of hammerhead shark. To investigate, they analyzed the body shape, skeleton and DNA of the sharks in Belize.