Conus carioca is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails, cone shells or cones.
These snails are predatory and venomous. They are capable of stinging humans.
The size of the shell varies between 36 mm and 57 mm.
Trawled at 35-40 m., this marine species occurs in the Atlantic Ocean off Eastern Brazil.