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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 to Find a Marine Protected Area

The Marine Protection Atlas is the world’s record-keeper for marine protected areas, and it’s run by the Marine Conservation Institute. It’s a critical resource for tracking conservation efforts and characteristics of over 1,000 global MPAs.

Do Sharks Sleep? The Surprising Truth About Shark Rest Patterns

In this edition of “Ask A Marine Biologist,” Dr. David Shiffman answers a popular question about our beloved apex predators of the sea.

What 50 Years of Shark Surveys Have Revealed

The Virginia Institute of Marine Science shark survey is the world’s longest-running fishery-independent shark population survey. Here’s what they’ve learned in 50 years.

Are Blobfish Real? What to Know About This Odd-Looking Creature

In this edition of “Ask A Marine Biologist,” Dr. David Shiffman discusses one of the internet’s favorite deep-sea weirdos.

The Ocean Networking Organization You Should Know About

Breaking into the world of ocean science and conservation can feel overwhelming. The Women’s Aquatic Network helps women build connections and gain professional development training to navigate their careers with confidence.

How Deep-Sea Creatures Survive Extreme Pressure

In this edition of “Ask a Marine Biologist,” Dr. David Shiffman discusses a challenging environment for marine life.

What Are the Best Schools to Study Marine Biology?

In this edition of “Ask a Marine Biologist,” Dr. David Shiffman gives aspiring marine scientists things to consider when looking for in a college or university.

The Newest Marine Sanctuary Beckons Wreck Divers to Explore the Great Lakes

Lake Ontario National Marine Sanctuary, designated this summer, offers cultural and historical diving gems.

Why Do Sea Turtles Return to the Same Beach?

In this edition of “Ask a Marine Biologist,” Dr. David Shiffman answers a question about sea turtle natal homing.