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 ...

Imagine a fishery where, in one year, 6 million pounds of fish were hauled in—only to plummet to a mere 400 pounds just four years later. What caused this?

A new documentary comes out in late January, outlining the severe impact the invasive species had on fish populations until the late 1950s across the Great Lakes region.

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 ...

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 ...