Conus antonioiConus antonioi is a species of sea snail, a marine gastropod mollusc in the family Conidae, the cone snails, cone shells or cones.These snails are predatory and venomous. They are capable of stinging humans.DescriptionThe size of the shell attains 21 mm.DistributionThis species occurs in the Atlantic Ocean off Boa Vista Island, Cape Verde.