A net will stop the heron PROVIDING it is on a frame work, taut, more than a beak's length clear of the water and of fine enough mesh to stop the heron's head going through. If, once he's had the written warning, and he still does not respond you will have to send him to Coventry. He will soon get the message once you have stopped talking to him and … Herons are large, fish eating birds that can eat or kill many fish in a pond's stock. Herons are majestic birds that look great in wildlife programs but not when you see one in the vicinity of your backyard fish pond. Installing a predator net over the pond is a definite way to prevent herons from removing fish, but may clash with the aesthetic of the water garden. When the moon is full, and the nights before and after the full moon, there is enough light for that ultra-determined predator to wait until you are tucked in before stealing your family jewels. Plenty of different types of technical equipment are available that you can purchase to try or stop Herons from eating your fish but you will quickly find that these will only work for a short time. Unfortunately, I missed that episode. Great Blue Heron are actually pretty interesting creatures, once you look past their fish-stealing tendencies: If there's a heron in your yard, you won't miss it. If fine mesh and slack it will still be able to snatch, injury or spear fish but may … Herons will not only eat the fish in a pond, but they may also FEEDING YOUR FISH. Protect your Pond from Blue Herons; Home & Garden. Just had all my fish cleaned out. Blue Herons and Koi –The Thief in the Pond! They also can maneuver around fishing line…one got caught in it and destroyed it. Firstly try talking to him explaining that he shouldn't eat your fish as it's stealing. Approach this one with caution as herons are known to bear a grudge. Chances are they are eyeing up your pond fish as an easy meal. I have had a scarecrow for a couple of years. This is the most incredible factoid that will shock, and maybe even disgust you. There’s No Better Way To Protect Your Fish From Herons By Mark 10 Comments Carol, a pond friend of ours, wrote into us recently and had a great question about heron decoys. If that doesn't work you may have to put your feelings in writing. https://youtu.be/_cesZ045v14 Sent from my Redmi 3S using Tapatalk The Heron moves so slowly, the scarecrow often does not detect it. Apr 2, 2015 Posted by Admin In Home & Garden, 0 Comments. There is no way that you can completely stop Herons trying to eat your Koi population, but there are a few things that you can try to make it as hard as possible for them. These lanky birds stand 3 to 4 feet tall and can have a wingspan of more than 6 feet. These nets need to be placed over the pond so that fish will not become entangled and must be high enough to keep the heron from attempting to snatch the fish which would result in fish injury. #3. It's good to know your enemy. Protect your Pond from Blue Herons.