Ologies with Alie Ward cover image

Hagfishology (HAGFISH) with Tim Winegard

Ologies with Alie Ward

00:00

The Origins of Headfish

The headfish is a jawless primitive eel-like creature. They are thought to have diverged at around the same time that vertebrates popped up on the evolutionary spectrum. Head fish for a long time were defined as craniots, which means they have a cranium surrounding their brain but no calcification of anything in their body.

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