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

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.

Sea lamprey abundance exceeded targets in 2024 in all Great Lakes due to treatment restrictions during the COVID-19 pandemic. However numbers of the parasitic, invasive fish are expected to meet goals ...

Sea lamprey numbers climbed in all Great Lakes in 2024 after treatment was limited during the COVID-19 pandemic.

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 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 ...

This spike follows a reduction in sea lamprey control efforts during 2020 and 2021 due to pandemic-related constraints. While recent control measures are showing promise, elevated numbers are ...

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.

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 ...

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