Clavus pica is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
The size of an adult shell varies between 8 mm and 25 mm. The thick shell is whitish, irregularly variegated with a few large squarish brown spots. The upper portion of the whorls is smooth, concave, below the periphery with numerous narrow ribs. The anal sinus is broad.[1]
This species occurs in the demersal zone of the Indo-Pacific off Guam, the Philippines, Indonesia, Tuamotus and Christmas Island.