A parasitic invasive species threatens Great Lakes fish populations, $7B industry

A parasitic invasive species threatens Great Lakes fish populations, $7B industry

The Great Lakes Fishery Commission has announced the annual sea lamprey abundances are above population targets in all five of the Great Lakes.

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The Great Lakes Fishery Commission reports a significant rise in sea lamprey populations across all five Great Lakes, following relaxed efforts since the COVID-19 pandemic. The invasive species, which feeds parasitically on fish, poses a threat to the regions $7 billion fishery. Sea Lampreys, accidently introduced through shipping canals into the Great Lakes in 1921, use their 150-tooth-filled mouths and serrated tongues to attach to prey, kill…

‘Vampire-like’ sea lamprey making a comeback and threatening Great Lakes fish populations - Great Lakes Commission

The Great Lakes Fishery Commission says since the pandemic, the prevalence of sea lamprey has increased in all five Great Lakes thanks to control efforts largely being suspended at the […]