Melanoides polymorpha is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Thiaridae.

This species is endemic to Lake Malawi and is found in Malawi, Tanzania, and Mozambique.

It is very abundant throughout the lake in the littoral soft sediments.

This Thiaridae-related article is a stub.

You can help Wikipedia by expanding it.