U.S. Fish and Wildlife Service
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Mussel Conservation Activities

2005 Highlights: For the first time, one female subadult Higgins eye was found in the Wapsipinicon River, Iowa, in the vicinity of previous host fish releases.

juvenile Higgins eye

Subadult female Higgins eye pearlymussel (Lampsilis higginsii) collected on September 2, 2005, during monitoring activities in the Wapsipinicon River, Iowa.  The mussel was collected in the reach of river where host fish have been released since 2001.  (Photo by Scott Gritters, Iowa Department of Natural Resources).

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Last updated on December 21, 2006