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What is the largest animal in the Great Lakes?

Lake sturgeons are the biggest fish in the Great Lakes. And while individuals can pass the century mark, the species has been around since the days of the dinosaurs.



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The Lake Sturgeon - Michigan's Biggest Creature You may be a little startled if it decides to swim past your feet, as the Lake Sturgeon is rather big in size. On average, they can be anywhere between six and three feet in length. They will also weigh anywhere between 30-100lbs.

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While this 193-pound lake sturgeon is still the largest fish ever caught in Michigan, some state they observed lake sturgeon as big as 300 pounds in the Great Lakes Basin.

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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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There is an abundance of life and different creatures you might find in Lake Michigan. Whales just aren't one of them. See all of the animals you can find in the lake here.

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Chinook Salmon Oncorhynchus tshawytscha are the primary apex predators in pelagic Lake Michigan and patterns in their prey selection (by species and size) may strongly influence pelagic prey fish communities in any given year.

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Mishipeshu is said to live near Michipicoten and Manitoulin Island in Lake Superior, and is often regarded as a symbol of the lake's power. Mishipeshu is able to cause storms, waves, and whirlpools. The water spirit travels through underwater tunnels, speaking in a roaring hiss that sounds like rushing water.

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In northeastern Ohio and Michigan folklore, Bessie is a name given to a lake monster in Lake Erie, also known as South Bay Bessie or simply The Lake Erie Monster.

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The organisms living on the bottom in shallow waters are the same kinds of snails, clams, worms, mayflies, and caddisflies found in most small lakes. The deep waters, however, are the realm of some organisms that are found only in the deep, cold lakes of the northern latitudes.

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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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Lake sturgeon are the largest fish in Michigan, and it's not even close. There is a tie for the second-largest fish ever caught in Michigan.

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Little known to most New Yorkers is the fact that freshwater dolphins once thrived in waters of Lake Erie. The cool waters kept the size of these dolphins uniquely small compared to their ocean swimming cousins - evidence suggest adults rarely reached 24 inches in length.

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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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