STURGEON BAY (WLUK) -- They're billed as one of the most abundant migratory fish species in the Great Lakes. Every year ... Samantha Koyen says watching the sucker run is a popular pastime ...

Great Lakes steelhead are adfluvial fish, meaning they migrate from big ... Depending on the river, the spring sucker run may coincide with drop-back season. Sucker spawn flies in a peach or ...

The Great Lakes where sea lamprey control efforts were most cut during COVID-19 had the biggest surge of the invasive species ...

fish kills and harmful algal blooms. It remained the dominant issue in Great Lakes pollution through the early ‘90s, when hydrophobic organic chemicals came to the fore, said Joe Atkinson ...

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.