I'm fairly sure the default file explorer in Ubuntu/Fedora (nautilus) offers a preview spacebar function but I don't use it enough to know whether it's limited

I'm fairly sure the default file explorer in Ubuntu/Fedora (nautilus) offers a preview spacebar function but I don't use it enough to know whether it's limited to images. I haven't looked to see whether there's a keyboard shortcut to jump to the next image. It's not up/down arrow.