Census of Fish (IMAGE) University of Wisconsin-Madison Caption The NTL-LTER 'Fish Crew' takes a yearly 'census' of fish populations in the 12 LTER study lakes in Wisconsin. Here the crew measures a massive common carp pulled from a Fyke net in Lake Monona in Madison, WI. Credit Adam Hinterthuer Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.