Dr. David Shiffman is a marine conservation biologist who studies threatened sharks and how to protect them.
Dr. David Shiffman shares his "organizations divers should know about" pick of the month featuring NOAA Highly Migratory Species Division.
Latest Ask a Marine Biologist
Learn about the United Nations body that controls deep sea mining
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.
In this edition of Ask a Marine Biologist, Dr. David Shiffman answers questions recently sparked by a frozen shark found in Cape Cod.
In this edition of Ask a Marine Biologist, Dr. David Shiffman answers one of the most-asked questions about sharks—are they mammals, fish, or something else?
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.
Marine biologist Dr. David Shiffman provides the ocean facts you want to know in this marine Q&A!
Here’s how many brains and arms octopuses have, how long they live, what octopuses are, and more.