Download Bing image: Mackerel forming a bait ball to avoid predators Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. Bing image: Mackerel forming a bait ball to avoid predators Wallpaper is part of the Atlantic Mackerel collection.