Stv have produced this great ornament deterrent for a natural way to protect your expensive fish from the real thing the stv955 is a lifelike heron and will help to deter herons and also other birds from predating ponds and fisheries also helps other pond wildlife to shrive this heron is natural in colouring so this will help to distract the real life heron from venturing near your prized collection of rare and expensive fish the stv955 ornamental heron just simply pushes into the soil with the