John Wayne -- the Minnesota DNR did a study one time, looking at whether flathead catfish would control sunfish and bullheads in one of their lakes. I can't recall all the details of lake size and flathead stocking rates. However, the conclusion was that flatheads would control the bullheads but not the bluegills. Obviously, things could be a little different in a small pond where interaction among species is forced by that small size. However, the MN results would tend to indicate that the bullies did go first, probably because of their vulnerability as you already indicated.


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From Bob Lusk: Dr. Dave Willis passed away January 13, 2014. He continues to be a key part of our Pond Boss family...and always will be.