|Freshwater Mussels of the Upper Mississippi River System|
Mussel Conservation Activities
A total of 24 juvenile winged mapleleaf were collected from three closed propagation cages placed in the St. Croix River in 2005. Some juveniles were covered with zebra mussels.
Juvenile winged mapleleaf (Quadrula fragosa) collected in 2006 from closed propagation cages in the St. Croix, River, Minnesota. Mussels are 15 months old and some were covered by zebra mussels (Dreisenna polymorpha) as shown in top photo. Photos by Byron Karns, National Park Service.
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|Last updated on
December 21, 2006