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Conus geographus, a type of cone snail, is a dangerous creature. Found in tropical and subtropical seas, these snails hide under the sand in coral reefs with their siphon sticking out.

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Gastridium geographus Linnaeus, C., 1758 Geography Cone Shell size 43 - 166 mm Indo-W Pacific

Gastridium eldredi (nomen novum) Morrison, J.P.E., 1955 Shell size 45 - 65 mm C Pacific

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Gastridium geographus Linnaeus, C., 1758 Geography Cone Shell size 43 - 166 mm Indo-W Pacific

Gastridium geographus Linnaeus, C., 1758 Geography Cone Shell size 43 - 166 mm Indo-W Pacific

Deadly sea snail uses weaponised insulin to make its prey sluggish

The geographic cone snail, Conus geographus, which releases a cocktail of toxins, including insulin, into the water to subdue its prey. Photograph: Jeff Rotman/Alamy

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