National Exotic Marine and Estuarine Species Information System (SERC)

Ballast Water: Smithsonian Environmental Research Center

United States Geological Survey: Nonindigenous Aquatic Species (NAS) Information Resource

International Nonindigenous Species Database Network

Oregon Invasive Species Public Map

ANS Examples

Chinese Mitten Crab


(Eriocheir sinensis)

Poses a potential threat to native invertebrates and to the ecological structure of freshwater and brackish estuarine communities