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Ask a Marine Biologist Articles

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.

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.

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 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.

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.

Do Dive Lights Harm Manta Rays?

Shining bright plankton-attracting lights is a common practice to lure giant manta rays for nighttime viewings, but can the seemingly harmless spectacle actually harm these gentle giants?

What Can You Do With a Degree in Marine Biology?

Many dream of being a marine biologist when they grow up, but what job opportunities are available to one graduating with a degree in marine biology? Expert David Shiffman, Ph.D. shares in his latest edition of “Ask a Marine Biologist.”

Ask a Marine Biologist: Why Are Polar Ocean Animals Giant?

In this edition of “Ask a Marine Biologist,” David Shiffman discusses polar gigantism.