Hey everyone, very upsetting summer for me. My pond is 5 years old now, and this is the first instance of a Heron pillaging my pond. I saw him flying overhead one day, then the next day sitting on top of my neighbors shed, which is about 20 yards from my pond. Soon after that, my beautiful fish began disappearing. I happened to look out the window and saw him sitting right on a ledge overlooking the pond, I ran out and chased him away. At the time, I had 3 of seven koi left along with some comets I had for years. Now those three are gone as well. I would hate to put a net over the pond because it distracts from its beauty, so does anyone have and sure fire tips on how to prevent this from happening again? I've heard about a decoy Heron, but didn't see any reviews. Thanks for any and all input .