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David Shiffman, Ph.D.

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

David Shiffman, Ph.D. Articles

How Far Can Sharks Smell Blood?

In this installment of Ask a Marine Biologist, Dr. David Shiffman answers a common question about shark biology and behavior.

How to Read the Shark Attack File Report Like a Marine Biologist

A marine biologist discusses everything you can learn from the recent release of the annual, International Shark Attack File report and how to spot misleading information.

Can Wildlife Tourism Solve the Shark Conservation Crisis?

Some divers say wildlife tourism will solve the shark conservation crisis. It’s more complicated than that.

Even More Amazing Shark Facts You Haven’t Heard a Million Times

Sharks giving birth and what do tiger sharks eat? All this and more — shark facts explained by science expert, David Shiffman.

What Happens to Ocean Animals During a Tsunami?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question from a reader.

The Recipe for a Successful MPA

All marine protected areas (or MPAs) are not created equal—these factors help determine whether this important environmental tool can achieve its goals.

How Well-Intentioned Divers Are Hurting Shark Conservation

Scuba divers are always looking for ways to help protect shark species—here are some common conservation mistakes and ways that you can help protect sharks.

Shark Species That You’ve Probably Never Heard of, But Desperately Need Your Help

The most Critically Endangered shark species are largely unknown. These fascinating facts illustrate why they should get more attention and earn protection.