Between 2011 and 2014 , sonar at a 25 - acre wetland reopened to Lake Erie recorded nearly 3 . 44 million fish detections across 2 , 022 monitoring hours , with traffic in and out of the marsh close to balanced

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• spacewar.com Between 2011 and 2014 , sonar at a 25 - acre wetland reopened to Lake Erie recorded nearly 3 . 44 million fish detections across 2 , 022 monitoring hours , with traffic in and out of the marsh close to balanced