Skip to main content
x

David Shiffman

Dr. David Shiffman is a marine conservation biologist who studies threatened sharks and how to protect them.

David Shiffman Articles

What’s the Deal With Shark Teeth?

Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David Shiffman discusses one of sharks' most iconic—and fascinating—features.

How Many Large, Undiscovered Species Are Still Out There?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about what’s still lurking in the deep.

Do Shark Feeding Dives Impact Other Fish?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about how divers feeding sharks impacts the broader ecosystem.

#SharksNearMe Documents Sharks in Popular Culture

Since 2016, the hashtag #SharksNearMe has been used to document the golden age of sharks in pop culture.

How Can You Become a Marine Biologist Too?

In this edition of Ask a Marine Biologist, Dr. David Shiffman offers some general career advice.