Puperita pupa, commonly known as zebra nerite, is a species of small sea snail, a marine gastropod mollusk in the family Neritidae, the nerites.

[1][2] The shell is thin but strong, globular, not presenting a prominent spire.

There are 2 to 3 whorls, the outer lip is thin and sharp, the columellar area is polished and has a broad wall.

Th shell coloration is variable but is characterized by axial bands of black and white like a zebra.

The opening is gray with an ocher-colored parietal callus area, and the operculum is bright yellow [3][4] Puperita pupa is a nerite that is widely distributed in the area of the Caribbean Sea and the Gulf of Mexico: This species occurs in brackish water on the West Indian island of Dominica.