He's my only real top dweller, and that's his territory. He hasn't bothered any of my fish, although he does come down to see what my leopard cory is doing from time to time. I don't know why ..
When my guppies move to their own tank this friday, he'll be left with a few mollys, a cory and some phantom tetras. My tetras don't even shoal together which is a shame. They really do keep themselves to themselves.