|Freshwater Mussels of the Upper Mississippi River System|
Mussel Conservation Activities
2005 Highlights: For the first time, over 3,000 juvenile black sandshell were collected from three closed floating cages in the Upper Mississippi River, Pool 12, Iowa (Dubuque Ice Harbor).
Juvenile black sandshells (Ligumia recta) collected from three floating propagation cages in the Upper Mississippi River, Pool 12, in Dubuque, Iowa (Ice Harbor). Over 3,000 juveniles were collected from the cages. Photos by Tony Brady, U.S. Fish and Wildlife Service.
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|Last updated on
December 21, 2006