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 ...

Editor’s note: Every year, hundreds of undergraduates at the University of Delaware pursue research under the guidance of a faculty mentor. Such experiences provided by UD — a nationally recognized ...

Growing up, I never loved jewelry. But I’ve been wearing the same necklace for the past year: a wrapped lemon shark tooth ...

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How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As carbon ...

Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening their ...

Great white sharks have a reputation for being some of the most ferocious animals in the ocean, owing in part to their mouth full of sharp, serrated teeth. Most people believe that they are born as ...