In the 1970s, the US Navy found perfectly circular holes punched through submarine sonar domes and suspected a new Soviet weapon. The real culprit was an animal smaller than a house cat. This is the true story of the cookiecutter shark — a glowing, foot-and-a-half-long predator that bites chunks out of whales, dolphins, and once, quietly, the United States Navy. Plus: the famous USS Stein case that may have been blamed on the wrong animal entirely.
This video is 100% research-based — every claim is pulled from peer-reviewed studies, Navy investigation records, and academic sources. Everything is linked below so you can verify it yourself.

#education #cookiecutters #ocean