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Figure 14. Higgins’ eye pearlymussels produced in cages in the Upper Mississippi and St. Croix Rivers. The diver is holding 3-month old Higgins’ eye mussels by their byssal threads. The top tray contains approximately 562 mussels (547 are 3 months old and 9 - 22 mm long). The middle left photo shows 15 individuals from this tray that are 15 months old and 25 - 35 mm long. The 28-month old individual in the middle right photo is approximately 48 mm long. The bottom photos show a mixture of age groups and species; the right photo shows 3 Higgins’ eye and a rock pocketbook, monkeyface and black sandshell. (photos courtesy of the Minnesota Department of Natural Resources and U.S. Fish and Wildlife Service)
Figure 14. Higgins’ eye pearlymussels produced in cages in the Upper Mississippi and St. Croix Rivers. The diver is holding 3-month old Higgins’ eye mussels by their byssal threads. The top tray contains approximately 562 mussels (547 are 3 months old and 9 - 22 mm long). The middle left photo shows 15 individuals from this tray that are 15 months old and 25 - 35 mm long. The 28-month old individual in the middle right photo is approximately 48 mm long. The bottom photos show a mixture of age groups and species; the right photo shows 3 Higgins’ eye and a rock pocketbook, monkeyface and black sandshell. (photos courtesy of the Minnesota Department of Natural Resources and U.S. Fish and Wildlife Service)
Saving the Higgins' Eye Pearlymussel (Lampsilis higginisii) from Extinction:
2002 Status Report on the Accomplishments of the Mussel Coordination Team

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Last updated on May 3, 2005
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