Teeth from sharks and rays can be used to study their diet, but one of the biggest challenges in shark science is collecting ...

Sand tiger sharks, also known as gray nurse sharks, have a deceivingly ferocious look. They are large-bodied and display a mouthful of sharp teeth that protrude in all directions, even when the ...

During the studied period, for instance, hammerhead shark, blacktip shark and ragged-tooth shark sightings increased; tiger shark sightings were stable, and bull shark and dusky shark sightings ...