Nereina punctulata

Nereina punctulata is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Neritidae, the nerites.

Distribution
Distribution of Nereina punctulata include:
 * Puerto Rico
 * Dominica

Ecology
Nereina punctulata lives in rivers.

The estimation of the lifespan is at least 3–7 years. Neritina punctulata migrates upstream during lifespan.

It is a grazer, that feeds on algae. It is dominant grazer in Río Mameyes.