Pygmaeus get about 1 inch long.....and are smaller than Harlequins lengthwise and probably a little thicker, but maybe about the size as of an Endler lengthwise? They are a tad thicker around than Endlers though, I think. I haven't seen Endlers in person, but I know they are tiny. Since dwarf cories spend a fair amount of time on the bottom, I would be worried about them against the Krib. They aren't aggressive at all, so I know that Milo would succeed in pushing them around......but I'm not sure he'd eat them. It does worry me that he's eaten an Endler though.
With enough hiding spots and plants in the tank, they might be safe......I'm not confident enough to tell you to go for it though.
