Moving Koifish Wallpaper shows many very realistic koifish moving from one side to another of your your PC desktop. If you try to catch them using your mouse, they will try to escape. This moving wallpaper has a SysTray which lets you to close software and get help online. Compatible with Windows Vista Windows 7 and Windows 8. When trying to run Moving koifish Wallpaper in XP, please install .NET Framework 4.0 on Windows XP. Click here to download .NET Framework Version 4.0 right now.