Sharks

The Cookiecutter Shark

News: The Curiosity Podcast is here! Subscribe on iTunes, Stitcher, Google Play Music, SoundCloud and RSS.

After attracting hungry, larger animals with its bioluminescent belly, the cookiecutter shark spins around and takes a bite out of them instead. These sharks have even attacked nuclear submarines, causing enough damage to merit a return to port.

Advertisement

Love getting smarter? Sign up to our newsletter and get our best content in your inbox!

Share the knowledge!

Key Facts In This Video

  1. The cookiecutter shark is classified as a parasite. 00:03

  2. The cookiecutter shark attracts prey with its bioluminescent stomach. 01:07

  3. Cookiecutter sharks leave their telltale circular marks on seals, whales, dolphins, other sharks, and even submarines. 01:42

Advertisement