Strange Muskie behavior

Video of strange muskie behavior up north. Any ideas?


http://minnesota.cbslocal.com/video/...-lake-calhoun/

Also, for anyone who didnt get the email from muskies inc. there is a concern for any strange muskie behaviors on kinkaid lake and if you see any evidence of sick fish, please report it to Shawn Hirst (shawn.hirst@illinois.gov) and get a photo if at all possible. Thanks