Clavus pica

Clavus pica is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.

Description
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.

Distribution
This species occurs in the demersal zone of the Indo-Pacific off Guam, the Philippines, Indonesia, Tuamotus and Christmas Island.