Conus pusio is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
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.
The maximum recorded shell length is 24.5 mm.
This marine species occurs off the Dominican Republic; in the Caribbean off Guadeloupe; Martinique; off Brazil; in the Mid-Atlantic Ridge.
Minimum recorded depth is 0 m. Maximum recorded depth is 23 m.
