22 Free Photos of Ohio Lamprey

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The Harpersfield Covered Bridge and sea lamprey barrier in the Grand River, Ohio.

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The Harpersfield Dam on the Grand River in Ohio Serves as a Barrier to Sea Lamprey Migration

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The sea lamprey barrier makes for good fishing!

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Sea lamprey ladies! (Pictured: Fish Biologists Shawn Nowicki, Cheryl Kaye and Mary Henson.

Looking good in those waders. Fish Biologists Shawn Nowicki, Cheryl Kaye and Mary Henson check sea lamprey traps in the Grand River, Ohio.

Mary Henson collecting non-target species during the Conneaut Creek sea lamprey treatment.

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Fish biologist Mary Henson looks looking for non-target species during a sea lamprey control treatment.

Testing the pH levels in Conneaut Creek.

Sea lamprey crews must test the pH levels in each creek to determine how much lampricide to use for a treatment.

Fish Biologist Cheryl Kaye analyzes non-target species to determine how to best treat streams for sea lamprey and minimize mortality to sensitive fish species.

Fish Biologist Cheryl Kaye during a non-target risk assessment collection.

Jenna Tews (L) and Shawn Nowicki (R) discuss treatment locations during the 2015 Conneaut Creek treatment.

Fish Biologists Cheryl Kaye, Shawn Nowicki and Mary Henson determining where to do non-target risk assessment collections in the Conneaut Creek tributaries.

Fish Biologist Cheryl Kaye, Supervisory Fish Biologist Shawn Nowicki and Fish Biologist Mary Henson identify non-target kill during the Conneaut Creek Treatment in Pennsylvania.

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