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A case study on Minnesota crappies looks at barotrauma in the popular fish among ice anglers

Brandon Eder, Minnesota DNR assistant area fisheries supervisor in Waterville, caught crappies for a recent study of barotrauma. There were eight DNR folks present for the study. (Photos by Lindner Media Productions)

Fish were left overnight in a hoop net and re-inspected the next day. During re-inspection, it was found that a large percentage of the fish were either dead or not dead but not releasable. A small percentage appeared to be in good condition and could be released.
Data from this study are purely anecdotal at this point. But the observations from this work will guide future, more formal research.

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