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University of California
California Aquatic Invasive Species (AIS)
Invasive Clams, Mussels, Snails, etc.
Pomacea canaliculata - Visit ITIS for full scientific classification.
- Amphibious, but mainly aquatic.
- Lives in wide variety of environments.
- Found in swamps, ponds, lakes, rivers, agricultural areas, etc.
Invasion Pathways and Distribution
- Native to South America.
- Present in multiple southern California counties.
- Believed to have arrived in U.S. through intentional introduction(s) for food and/or aquarium trade.
- Varied herbivorous diet.
- Individuals are either male or female, with internal fertilization and very high fecundity.
- Feed heavily on aquatic plants.
- Agricultural rice pest, with rapid reproduction.
- Outcompetes natives for resources.
References and Useful Links
For references by category and links to other useful AIS sites see our LEARN MORE page.
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