Newly published research from U.S. Geological Survey looked at more than 25 years of annual sea lamprey data, including annual adult populations of the eel-like fish and the number of wounds ...

A single lamprey female can lay 100,000 eggs. A sea lamprey wound is visible on the flank of a lake trout caught in June 2022 in Lake Michigan near Sheboygan, Wisconsin. Paul A. Smith How does the ...

Our findings support observations by the fishing public and fishery managers of fish riddled with sea lamprey wounds, some containing three or more wounds per fish.” The Great Lakes Fishery ...

“They pulled up several trout that had fresh lamprey wounds on them,” Clemens said. “They knew where to look because they were helping and that’s indication the lamprey are back in the lake.

In 2006, 99 out of 100 lake trout in Lake Champlain had sea lamprey wounds. The rate dropped to 23 per 100 in 2022 and has since hovered around the cooperative’s target of 25. Recreational ...

(Read about how a 160-million-year-old lamprey gouged out its victims' flesh.) “They use that to punch holes in the body cavity of the animal to expose an open wound, and from there, the saliva ...

Donation Options Search Search Search An up-close look at a sea lamprey, which once threatened to wipe out many native fish in the Great Lakes. Great Lakes Fishery Commission Share With all the ...

A new $8 million project at the Bonneville Lock & Dam aims to make it easier for Pacific lamprey to migrate along the Columbia River. The project, currently under construction on the Washington ...

A couple of assumptions are built into that optimistic forecast, including adequate staff and funding provided to the U.S. Fish and Wildlife Service to continue its sea lamprey control work and ...