Great white sharks are not born with their iconic serrated teeth; instead, their teeth change as they grow and their diet shifts. Juvenile great whites have thin, needle-like teeth with small cusplets ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...

Standing tall with her eyes cast to the sand, Candra Workman can spot a shark tooth smaller than a dime in under a minute. She draws a circle around it using her index finger. Crouching down, focusing ...