Pomacea maculata is a species of large freshwater snail with an operculum, an aquatic gastropod mollusk in the family Ampullariidae, the apple snails.

The common name of its synonymous name Pomacea insularum is the island apple snail.

Together with Pomacea canaliculata it is the most invasive species of the family Ampullariidae. It is considered as about the 58th worst alien species in Europe.

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