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Corbicula fluminea

LHPrism Status 
Tier 2 - Emerging
Moving Fresh Water
Lake or Pond
Key Characteristics 
Triangular, with evenly spaced distinct rings
Yellow-brown to black
25 mm- 65 mm
Impacts of this species 

Asian clams outcompete native species and clog water intake pipes.


The Asian clam is a freshwater clam that can be found in lakes and streams of all sizes with silt, mud, sand, and gravel substrates. It is able to tolerate salities of up to 13 ppt for short periods of time. 

They are used as fish bait and sold via the aquarium trade in the U.S. Juveniles can also be transported by ballast water and have been found in the Hudson River from Troy to Newburgh.

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