What fish are destroying the Great Lakes?

The sea lamprey is an invasive species living in Canada's Great Lakes that had been kept under control for decades - until now. Erica Vella explains how the pandemic fuelled a population spike among the “vampire fish,” and what's being done to stop them.



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The Great Lakes Biggest Predator Michigan's biggest predator in the Great Lakes is a Sea Lamprey. In the very famous words of Randy Jackson, it's going to be a no for me dawg.

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Invasive carp include bighead carp, black carp, grass carp and silver carp. Find out more about each of these species and about invasive carp in Michigan on each species' profile below.

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You won't find much in the way that will leave you wanting to stay out of the waters here in the Great Lakes. The description of the biggest predator in the Great Lakes may drive you to at least do it during the day if anything... Michigan's biggest predator in the Great Lakes is a Sea Lamprey.

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According to the article, the most dangerous creature in Michigan lakes is the Sea Lamprey. I has a round, sucker-like mouth and really harsh, sharp teeth put together in circular rows.

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While there have been past “sightings,” most have turned out to be pranks or misidentifications. The reality is that the largest of the Great Lakes (Lake Superior and Michigan) are extremely deep lakes that are too cold for sharks.

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The most renowned of these Great Lakes sea monsters supposedly resides in Lake Erie. Sightings of the lake monster Bessie were first made in the late 1700s but appeared again with some regularity in the 1980s. Bessie is described as being about 20 feet long, serpent-like but with appendages that resemble arms.

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These lakes are the perfect backdrop for swimming, boating, and other water-related activities. But there can be more danger in these Great Lakes waves than what you'd find in the ocean. The Great Lakes are more than capable of generating waves over 10 feet high, despite being smaller than our oceans.

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Lake Michigan is generally clean and safe for swimming but it can become contaminated with harmful bacteria.

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The most dangerous predator in the Great Lakes is the sea lamprey, which was actually introduced as an invasive species. Primarily, it goes after a sports fish called the lake trout, often wounding them as they kill them off. It is also attracted to the blood and bodily fluids of any creature.

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Alligators are rarely found in the Great Lakes. Although some alligators thrive in freshwater, it's just too cold in the north for them to survive. They don't typically live farther north than North Carolina. It's unclear how the alligator arrived to Lake Michigan.

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The average underwater visibility of Lake Superior is about 8 metres or 27 feet, making it the cleanest and clearest of the Great Lakes.

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Of all of the Great Lakes, Lake Erie had become predominantly polluted by the 1960s, largely due to the heavy industrial presence along its shores. With 11.6 million people living in its basin, and with big cities and sprawling farmland dominating its watershed, Lake Erie is severely impacted by human activities.

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Significant progress has been made in reducing toxic chemicals in the Great Lakes, but some chemicals, such as PCBs, still pose a threat to human health and the environment. polycyclic aromatic hydrocarbons (PAHs), are higher in the waters of lakes Erie and Ontario than in other lakes.

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