Yes, they actually are from the Jurassic era. These prehistoric creatures are four months old and are now in the St. Louis River.

The Great Lakes Indian Fish & Wildlife Commission (GLIFWC) shared on their Facebook Page photos of a recent stocking of the St. Louis River.

The Fon du Lac's Natural Resources Department released more than 1,700 sturgeon into the St. Louis River, which flows into Lake Superior.

. Credit: Great Lakes Indian Fish & Wildlife Commission via Facebook
. Credit: Great Lakes Indian Fish & Wildlife Commission via Facebook
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Sturgeon species have been around for around 200 million years. They once were killed by fisherman as a nuisance fish because they would damage gear. Then, commercial fishing targeted them for their eggs, and their population became endangered.

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Organizations started to rehabilitate the species and started stocking them. They are now considered a threatened species.

. Credit: Great Lakes Indian Fish & Wildlife Commission via Facebook
. Credit: Great Lakes Indian Fish & Wildlife Commission via Facebook
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The Fond du Lac's Natural Resources Department started stocking the surgeons in 1998. Sturgeons are important to Native American culture and history. The word for sturgeon in Ojibwe is Name.

Credit: Great Lakes Indian Fish & Wildlife Commission via Facebook
Credit: Great Lakes Indian Fish & Wildlife Commission via Facebook
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According to the post, biologist Eric Torvinen says this year's egg harvest was successful for the strong fall stock of fish. They are already 8 inches long.

Did you know that these fish can live longer than humans? It's amazing. Males only live to around 55 years old, but females can live on average between 80-150 years!

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That means there are hypothetical fish out there that were born in 1874. That's only 10 years after the Civil War!

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Gallery Credit: Andrea Vale