Pond Defender™ by Bird-B-Gone are U.V. protected plastic discs that float just below the surface of you pond or water garden, creating a shelter for pond fish like KOI against predators.

• A system of interlocking plastic discs that protect ponds without causing an eyesore 
• Virtually invisible from just a few feet away
• Pieces interlock to each other in seconds to fit the shape of any pond
• Easily removed for cleaning
• Less obtrusive than traditional pond surface netting