Mysterious neurotoxin may help flatworms kill prey

Tetrodotoxin, the deadly chemical in pufferfish, makes first appearance in land invertebrate

TOXIC ASSETS  Two terrestrial flatworms, Bipalium adventitium and Bipalium kewense (shown), may carry a deadly chemical called tetrodotoxin, which could help the invertebrates stun their earthworm prey.

gailhampshire/Flickr (CC BY 2.0)

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