David Shiffman

What’s the Average Size of a Shark?

In this edition of Ask a Marine Biologist, Dr. David Shiffman tackles a frequently asked question about shark size.

By David Shiffman posted Nov 22nd, 2020

Pop culture depicts sharks as deadly goliaths, so you may be surprised at the typical size of a real shark is smaller than an average human!
Is the Manufacturing of a COVID-19 Vaccine a Threat to Shark Conservation?

In this edition of Ask a Marine Biologist, Dr. David Shiffman addresses a recent case of scary-sounding misinformation.

By David Shiffman posted Oct 31st, 2020

While shark liver oil is used in vaccines, claims that this represents a major shark conservation issue are at best oversimplified and fear-mongering at worst.
A Marine Biologists Busts Common Ocean Myths

In this edition of Ask a Marine Biologist, Dr. David Shiffman outlines a history of misconceptions about the ocean.

By David Shiffman posted Sep 22nd, 2020

Think the ocean is too big for us to impact it? Think again. Dr. David Shiffman, a marine biologist, sets the record straight on a variety of common ocean…
What Are Some Everyday Products That Come From the Ocean?

In this edition of Ask a Marine Biologist, Dr. David Shiffman talks about some practical benefits of a healthy ocean for your day-to-day life.

By David Shiffman posted Aug 31st, 2020

Marine biologist examines what everyday products only exist thanks to the ocean.
How Smart are Sharks?

In this edition of Ask a Marine Biologist, Dr. David Shiffman proves that sharks are far more than mindless killing machines.

By David Shiffman posted Jul 30th, 2020

Marine biologist Dr. David Shiffman explores the evidence for shark intelligence.
Do Deep Diving Seabirds Have to Equalize Like Humans Do?

In this edition of Ask a Marine Biologist, Dr. David Shiffman compares the experience of human divers to that of our feathered friends.

By David Shiffman posted Jun 25th, 2020

Humans have to equalize their ears when diving. Do sea birds have to do the same?
Do Any Ocean Animals Spread Diseases to Humans?

In this edition of Ask a Marine Biologist, Dr. David Shiffman tackles a question ripped from the headlines.

By David Shiffman posted May 27th, 2020

COVID-19 is spread by a coronavirus that is thought to have jumped from bats to humans. Are there any ocean animals that can spread diseases to humans?
How Can You Become a Marine Biologist Too?

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

By David Shiffman posted Apr 23rd, 2020

In this edition of Ask a Marine Biologist, Dr. David Shiffman offers some general career advice.
How Can Someone Who Isn’t an Expert Scientist Help Protect Sharks?

By David Shiffman posted Apr 13th, 2020

In this edition of Ask a Marine Biologist, Dr. David Shiffman advises people on what they should, and should perhaps not, do if they want to help.
Are the Ocean’s Fastest Animals Faster than a Speeding Bullet?

By David Shiffman posted Mar 20th, 2020

In this edition of Ask a Marine Biologist, Dr. David Shiffman tackles a question from two young brothers.

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