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Ask a Marine Biologist

Tuna, Mercury and Bioaccumulation: Have Humans Made it Worse?

In this edition of “Ask a Marine Biologist,” Dr. David Shiffman explains the health reasons behind limiting how much apex predator you eat.

Does Flash Photography Hurt Marine Life?

Photographs of marine animals can educate and inspire. In this edition of “Ask a Marine Biologist,” Dr. David Shiffman discusses whether taking those photos hurt the animals.

How Common Are Stranded Sharks Like the Frozen One in Cape Cod?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers questions recently sparked by a frozen shark found in Cape Cod.

How Do Sea Turtles Breathe? Fun Facts You Should Know about Sea Turtles.

Here’s everything you should know about sea turtles, including how long they live, how fast they can swim and where they lay their eggs.

How Much of the Ocean Has Been Explored? 17 of Your Ocean Questions, Answered.

Marine biologist Dr. David Shiffman provides the ocean facts you want to know in this marine Q&A!

How Intelligent Are Octopuses? Your Octopus Questions, Answered.

Here’s how many brains and arms octopuses have, how long they live, what octopuses are, and more.

Can Trawling be Sustainable?

The impact this style of fishing has on the ocean depends greatly on what seafloor environment is subjected to the tactic.

Do Any Ocean Animals Get Sunburns?

Sealife has been known to get sunburnt, but animals have their own ways to avoid skin damage during a life outdoors.