Cone snail deploys insulin to slow speedy prey

Attacked fish turn into sitting ducks as blood sugar drops

extendable funnel-shaped mouth tube of the cone snail

SECRET WEAPON  The extendable funnel-shaped mouth tube of the cone snail Conus geographus engulfs live fish with some help from weaponized insulin produced by the snail.

Courtesy of Jason Biggs and Baldomero Olivera

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