Hagfish: The Jawless "Slime Eel"

Hagfish: The Jawless "Slime Eel"

This eel-like creature is an anatomical anomaly. It's the only known living animal that lacks a backbone and jaw but still has a skull. Hagfish secrete a goo when attacked that expands when combined with water. The predator is then choked by the expanded goo.

01:21

Key Facts In This Video

  • 1

    The hagfish is the only known living animal with a skull but no spine. (0:20)

  • 2

    The hagfish does not have a jaw, but rather tooth-like projections. (0:42)

  • 3

    The hagfish secretes a micro-fiber slime that expands when combined with water and chokes its attackers. (0:59)

See all

Etymology

Galaxies

History of the United States

Space Telescope

Get smarter every day! Like us on Facebook.
You'll get the most interesting and engaging topics in your feed, straight from our team of experts.