|Freshwater Mussels of the Upper Mississippi River System|
Mussel Conservation Activities
A total of 23,722 juvenile Higgins eye (2005 Cohort) were collected from 111 closed propagation cages in the Upper Mississippi River, Pool 4 (Frontenac), Minnesota. One cage contained 1,400 juveniles, a new record.
An estimated 1,400 juvenile Higgins eye pearlymussels (Lampsilis higginsii) collected in 2006 from a single closed propagation cage in the Upper Mississippi River, Pool 4 (Frontenac), Minnesota. Mussels are 15 months old. Photo by Gary Wege, U.S. Fish and Wildlife Service.
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|Last updated on
December 21, 2006