Do You Ever Wonder What Happens to Fish in a Frozen Lake?


by Mason Muerhoff, @UWMadScience
It is winter in the Northern Hemisphere. The vicious cold has transformed the scattered blue lakes of the North Woods into white disks — barren wastelands of ice. The harsh winds rushing across the icy plains combined with average air temperatures that are just above freezing seem to offer a less-than-hospitable refuge for wildlife.
But a keen sportsman knows better. Cutting a hole in the ice and dropping a colorful lure down into the depths of the lake, a patient ice fisher knows that luck is on her side. Obscured from human eyes underneath the ice lies a healthy stock of fish, tantamount to populations in the warmest months of the year.
“They survive just fine under the ice,” says Jake Vander Zanden, Director of the University of Wisconsin–Madison Center for Limnology. “They are adapted to survive in these low temperatures; it’s not that big of a deal.”    Continue reading –>

                            Read Jake Vander Zanden’s full interview with the folks behind the @UWMadScience blog                                  on how fish survive under the ice and what they do all winter.

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