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Mollusks

Asiatic Clam (Corbicula fluminea) 
Asiatic clams are capable of self-fertilization, and one clam can lay up to 70,000 eggs a year. Read more…

Banded Mystery Snail (Viviparus georgianus)
This invasive snail can serve as a host for parasites that may infect fish and other wildlife, compete with native snails for food and habitat, and cause mortality of largemouth bass embryos. Read more…

Chinese Mystery Snail (Cipangopaludina chinensis malleata)
The mystery snails (both Chinese and banded) don’t come from eggs. They spring forth fully formed–mysterious indeed. Read more…

Faucet Snail (Bithynia tentaculata)
These small snails are hosts to parasites that have caused the deaths of tens of thousands of diving ducks in the Great Lakes region. Read more…

Golden mussel (Limnoperna fortunei) 
This native of SE Asia and China has caused major problems in South America, and it may be coming to North America via ballast water. Read more…

New Zealand Mud Snail (Potamopyrgus antipodarum)
The New Zealand mud snail has no predators outside of New Zealand. Read more…

Quagga Mussel (Dreissena rostriformis bugensis)
Appearing in the Great Lakes later than the zebra mussel, quagga mussels may present even more of a challenge. Read more…

Zebra Mussels (Dreissena polymorpha)
The annual cost on the Great Lakes to control the zebra mussels in water intake pipes is $250 million. Read more…