The cookiecutter shark is one of the most bizarre predators in the world, leaving a signature circular bite on its prey.

Deep in the ocean's unexplored depths lurk bizarre sharks with extraordinary adaptations. From the goblin shark's slingshot ...

Never judge a book by its cover nor a shark by its name, because what the cookiecutter shark is capable of is absolutely horrifying.

Ferocious 'cookiecutter shark' with a bite mechanism like a 'toilet plunger with a blade on it' primarily feeds on little critters - despite reports of attacks on humans and whales, study finds ...

Cookiecutter sharks rip small, cookie-shaped chunks out of sharks and whales, but a new study finds big animals make up only a small part of their diet. Skip to main content.

The Cookiecutter sharks have generally only been observed near surface waters during the night, leading researchers to believe that they exhibit vertical migration, ...

Cookiecutter sharks have only been involved in four confirmed, unprovoked bites, which all happened in Hawaii, it said, citing the International Shark Attack File.

Cookiecutter sharks leave a very distinctive scar when they bite; their specialized jaw allows them to "scoop out a hemispherical plug of flesh from their prey," according to the study.

Cookiecutter sharks generally live the oceanic ‘twilight zone’ in depths to 3,300 feet (1,000 meters) and eat fish, squid, and crustaceans. They usually only surface from the deep at night, ...

Cookiecutter sharks have only been involved in four confirmed, unprovoked bites, which all happened in Hawaii, it said, citing the International Shark Attack File.