Sea lampreys abounded in all Great Lakes in 2024 after treatment was limited during COVID. But the parasitic, invasive fish are expected to decline.

The invasive sea lamprey brought Great Lakes fishing to its knees in the fifties and sixties, until local communities and ...

First the bad news: sea lampreys exceeded abundance targets in 2024 in all five Great Lakes. Now the silver linings: the findings weren't a surprise, the reason is well understood and the coming ...

First the bad news: sea lampreys exceeded abundance targets in 2024 in all five Great Lakes. Now the silver linings: the findings weren't a surprise, the reason is well understood and the coming ...

Federal and Canadian officials recently said they expect sea lamprey numbers in all the Great Lakes to exceed target numbers — sometimes by large amounts — in the coming years because of ...

An ancient predator, the sea lamprey, has resurfaced as a growing threat in the Great Lakes, sparking alarm among scientists and fishermen alike. This eel-like invader, unchanged for over ...

A recent report by the Great Lakes Fishery Commission (GLFC) revealed that populations of parasitic sea lampreys in Lake Superior have surged over the past four years. This spike follows a ...

Among the activities banned were most of the programs and activities in place to monitor and control sea lampreys in the ...