U.S. Fish and Wildlife Service
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Mussel Conservation Activities

A total of 2,445 subadult Higgins eye were placed in the Upper Mississippi River, Pools 2 and 3 to establish new populations.  Approximately 35,000 subadults are currently being held in closed propagation cages for future stocking.

Marking subadult Higgins eye pearlymussels

Higgins eye pearlymussels (Lampsilis higginsii)

Marking subadult Higgins eye pearlymussels (Lampsilis higginsii) before placing in the Upper Mississippi River to establish new populations.  Photos by Gary Wege, U.S. Fish and Wildlife Service.
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Last updated on December 21, 2006
http://www.fws.gov/midwest/mussel/highlights/2006_highlight6.html