The U.S. and Canada collectively spend tens of millions of dollars per year to fight invasive, sport fish-attacking sea lamprey in the Great Lakes, a control effort that's spanned generations. But ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the most significant invasive species threats to Great Lakes sportfish, sea lamprey, is on the decline after experiencing a ...

If you've ever caught a rainbow trout from Catharine Creek or Seneca Lake, you might have noticed the ugly circular scars sported by many of the fish. Those are from the bite of parasitic sea lampreys ...

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 years ...

The Great Lakes Fishery Commission said non-native predatory sea lamprey populations spiked due to reduced control during the COVID-19 pandemic. The commission said numbers rose when field crews were ...

During the COVID-19 pandemic, the amount of sea lamprey in the Great Lakes surged because treatments were limited.

A new study shows that after sea lamprey control efforts were stopped or scaled back during the COVID-19 pandemic, the invasive species surged on the Great Lakes. Sea lampreys are a parasite, feeding ...

One of the most significant invasive species threats to Great Lakes sportfish, sea lamprey, is on the decline after experiencing a surge during the COVID-19 pandemic, when efforts to control the ...