Conus araneosus, common name the cobweb cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails, cone shells or cones.

Like all species within the genus Conus, these snails are predatory and venomous. They are capable of stinging humans, therefore live ones should be handled carefully or not at all.

Subspecies

• Conus araneosus araneosus [Lightfoot], 1786
• Conus araneosus nicobaricus Hwass in Bruguière, 1792

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