I tried two dwarfs a few years ago in a 120 and they did not fight, but they were very territorial and were constantly chasing each other away when one would cross into the others turf. I figured at the very least it was stressing, so I took one back.
Not to hijack the post, but does anyone know if it is Angels in general that tend to have issues with one another or is it more size? For example, if I put an Eibli Dwarf Angel with a Flameback Pygmy Angel, would they be okay? I had an Annularis with a Flame at one point and they ignored each other. Not sure if it was just a lucky pairing.
I got my Eibli Dwarf a few weeks ago and he likes the frozen brine.