Sea lamprey abundance exceeded targets in 2024 in all Great Lakes due to treatment restrictions during the COVID-19 pandemic.

ANN ARBOR – Great Lakes Fishery Commission (GLFC) has announced the annual sea lamprey abundances for each Great Lake in 2024.

Before sea lamprey control began in 1958, the species killed far more fish than humans did, causing considerable economic and ecological damage. According to the commission, the control program ...

NEWS RELEASE GREAT LAKES FISHERY COMMISSION ************************* The Great Lakes Fishery Commission has announced the ...

The Great Lakes Fishery Commission has announced the annual sea lamprey abundances are above population targets in all five ...

Sea lampreys are making a comeback in the Great Lakes and threatening fish populations with their 'vampire-like' feeding habits ...

But from 2021 to 2023, the parasitic sea lamprey seemed to be everywhere. Sometimes he’d pull a salmon or trout from Lake Ontario only to find two or three of the bloodsuckers attached to its body.

Lamprey larvae live in some tributaries where they transform to parasitic juveniles that migrate into the Great Lakes and kill a variety of fish. Infested tributaries are treated with lampricides on a ...

Before sea lamprey control, the species killed far more fish than humans did, causing considerable economic and ecological damage. In 1958, control programs were implemented that previously ...

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