The Cookiecutter Shark

The Cookiecutter Shark

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.

02:27

from Epic Wildlife

Key Facts In This Video

  • 1

    The cookiecutter shark is classified as a parasite. (0:03)

  • 2

    The cookiecutter shark attracts prey with its bioluminescent stomach. (1:07)

  • 3

    Cookiecutter sharks leave their telltale circular marks on seals, whales, dolphins, other sharks, and even submarines. (1:42)

See all

Aquatic Life

Sharks

Evolution

Science

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