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)

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