Cookie-cutter sharks were once known as cigar sharks, because nobody knew just how they ate. Once a biologist discovered their secret, it explained the mysterious deep holes made in the equipment ...

Great white shark with suspected cookie-cutter shark scars. Credit: G. del Villar/Pacific Science. Every year, between August and December, great white sharks arrive at the western coast of Mexico ...

One of the world’s least known shark species, the cookie-cutter, was responsible for a trio of attacks on humans last year, using a method of cutting out a cookie-shaped chunk of flesh ...

One of the world’s least known shark species, the cookie-cutter, was responsible for a trio of attacks on humans last year, using a method of cutting out a cookie-shaped chunk of flesh ...

One of the world’s least known shark species, the cookie-cutter, was responsible for a trio of attacks on humans last year, using a method of cutting out a cookie-shaped chunk of flesh ...

The cookiecutter shark takes bites out of sharks and fish — and until the '70s — even nuclear submarines, that look like ice cream scoop attacks.

The cookie-cutter shark may be small, but it's considered dangerous due to its unique feeding habits. This shark, typically about 20 inches long, has a specialized set of teeth designed for ...

One of the world’s least known shark species, the cookie-cutter, was responsible for a trio of attacks on humans last year, using a method of cutting out a cookie-shaped chunk of flesh ...

One of the world’s least known shark species, the cookie-cutter, was responsible for a trio of attacks on humans last year, using a method of cutting out a cookie-shaped chunk of flesh ...

For reasons unknown, cookie-cutter sharks stepped up their attacks on people. “In a historic first, the elusive, foot-long cookie cutter shark was responsible for three of 2019’s attacks ...