U.S. Fish and Wildlife Service
Back to Freshwater Mussels of the Upper Mississippi River System home page.Freshwater Mussels of the Upper Mississippi River System Link to USGS home page.
Mussel Conservation Activities

Nine juvenile Higgins eye were collected from the Wapsipinicon River, Iowa, in the vicinity of previous host fish releases.  To date, 10 juveniles have been found by monitoring efforts in the Wapsipinicon River.

juvenile Higgins eye

juvenile Higgins eye

Juvenile Higgins eye pearlymussel (Lampsilis higginsii) collected in August, 2006, from the Wapsipinicon River, Iowa.  Top photo by Scott Gritters, Iowa Department of Natural Resources; bottom photo by Tony Brady, U.S. Fish and Wildlife Service.

Species Identification and LocationThreatened and Endangered MusselsLife HistoryEcology Mussel Harvest on the RiverCurrent ThreatsMussel Conservation ActivitiesOngoing Studies and ProjectsMultimediaTeacher ResourcesFrequently Asked QuestionsGlossaryReferencesLinks to Other Mussel Sites


Department of the InteriorU.S. Fish & Wildlife ServiceU.S. Geological Survey
Last updated on December 21, 2006