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Service Employee Checking a Sea Lamprey Trap on the St. Marys River, Which Borders Michigan and Ontario, Canada.
Service Employees Checking a Sea Lamprey Trap in the Menominee River, Michigan.
Big Manistee River Sea Lamprey Trap, Michigan.
Service Employee Sexing a Sea Lamprey at the Cheboygan River in Michigan.
Sea Lamprey Portable Assessment Trap Funnel Entrance.
The Harpersfield Dam on the Grand River in Ohio Serves as a Barrier to Sea Lamprey Migration.
Service Employee checking a trap at an outlet of Carp Lake, Michigan.
Albany Creek Sea Lamprey Barrier in New York.
An Electrical Barrier with Integrated Traps on the Ocqueoc River, Michigan.
Deploying a Portable Assessment Trap at the Rock River, Wisconsin.
Service Employees at St. Joe River, Michigan checking Sea Lamprey Traps.
Sea Lamprey Trap at Ocqueoc River in Michigan with a Large Catch of Sea Lamprey.
Adult Sea Lamprey Catch.
Big Manistee River Trap with Insert Raised in Michigan.
Portable Assessment Traps Fishing for Sea Lamprey.
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