Dr. David Shiffman is a marine conservation biologist who studies threatened sharks and how to protect them.
In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question from a reader.
In this edition of Ask a Marine Biologist, Dr. David Shiffman discusses the swimming abilities of fish.
In this installment of Ask a Marine Biologist, Dr. David Shiffman tackles a frequently asked question about sharks.
