I own a 12 acre pond and I'm wanting to do some pond management to keep it in good shape. I downloaded a Fishing Log to track the number of fish I catch, the weight, length, weather, lure, etc, etc. The fishing log recommends punching a hole in the tail of the caught fish with a paper hole punch, to "tag" the fish and determine how often i'm re-catching the same fish. Has anyone ever heard of using this method? I tried to find some information about this online but wasn't too successful. Before I start punching holes in my fish, I thought I'd throw it out there to see what you think.