Living dinosaurs roam the rivers

Lake sturgeon were nearly hunted to extinction in the late 1800s and early 1900s but can now be found throughout the St. Croix River, as well as in tributaries including the Namekagon and Kettle Rivers.

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Rivers re-wilded, fish return

From dam removals to re-meander projects, many rivers and streams in Minnesota are regaining their wildness and seeing fish and other wildlife return.

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Mooneye, sturgeon and microplastics in trout

In the swiftly flowing waters of the St. Croix River, a federally endangered species of mussel called the spectaclecase shelters among boulders on patches of gravel and sand. It’s not easy to make babies when you’re spectaclecase. First, the male must release sperm into the river current, hopefully upstream of a lady mussel. If a…

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