Based on its whimsical name, it’s easy to assume that the cookiecutter shark is cute and gentle. However, nothing could be further from the truth. In fact, the name “cookiecutter” doesn’t refer to the ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

In the deep ocean, far from sunlight, a small shark has been quietly carving perfect circles of flesh out of animals many times its size. For decades, those neat, crater-like wounds on whales, tuna, ...

The cuts left by a cookiecutter shark are recognizable for their uniformity, helping to identify the species by bite marks. Photo courtesy of University of Hawaii A Hawaii study has found that a ...

A detailed investigation into these strange creatures is finally giving scientists and fishermen valuable clues about when and where they strike. Reading time 3 minutes You rarely catch a cookiecutter ...