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 ...

For one swimmer, a late night dip ended in a painful altercation with a cookie-cutter shark, the first documented case of the small shark nipping at a living human. But why did it happen?

said Bermagui in the caption of the post. The picture of the tuna covered in cookie cutter shark bite marks. These small sharks lock onto their prey using suction, then use their razor-like teeth ...

2. Its common name comes from the cookie cutter-like wounds it leaves in its prey. Its shape has also led some to call it the cigar shark. If you prefer to refer to it in another language ...