Like vampires: How to control invasive species in the Great Lakes

An international team of researchers and environmental conservation organizations are fighting invasive lamprey eels that have entered the Great Lakes region since the 19th century. These parasites have caused a decline in economically important fish populations such as salmon and whitefish. The problem-solving committee uses chemical compounds, most notably "TFM," to eliminate the parasites without harming the environment. They have managed to reduce their numbers to pre-pandemic levels, despite a 300% increase during 2020 and 2021 due to halted operations during the COVID-19 pandemic. Complete eradication of these creatures is considered a real threat and requires a budget of up to 500 million dollars over ten years, along with ongoing efforts to combat new invasive species threatening the lakes' ecosystem.

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