Cookie-Cutter Sharks Can Bite Nuclear Submarines

Even at their small size, they can still pack a punch (or a bite, in this case)! Cookie-cutter sharks are almost the size of your pet cat. Don’t underestimate them though, because they can (and will) attack predators bigger than they are, and even soft parts of nuclear submarines. Oddity Central has more details: 

Before Everett Jones’ breakthrough, people believed that the gruesome conical wounds often found on all sorts of marine life were caused by parasitic lice, lampreys, bacterial infections or some other mysterious creatures. It wasn’t until they started studying the mouth and saw-like teeth that they understood how dangerous a cookie-cutter shark’s bite could be.
Apparently, the sharks’ mobile tongues and large lips allow them to latch on to their prey by forming a vacuum on a smooth surface. They then sink their sharp teeth in and, using twisting motions, scoop out chunks of flesh, leaving behind bloody craters. These are no minor wounds either, as the most severe wounds ever documented were 5 centimeters wide and 7 centimeters deep.

Photo: NOAA/Public Domain


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