In my experience, not at all. Mine swim around together and stay out of the way of everything else. They don't even bicker amongst themselves very much; nowhere near as much as my widow tetra. From my experience, they are a quiet and colourful addition to my aquarium.
Well, they've been in the cory tank since Sunday, and honestly, they don't seem comfortable at all in there (20g long tank).
The other options are to put them in with the 9 tiger barbs in the 29g or in the 55g with the rest of the community fish. Or leave them where they are, but they just seem very skittish and scared in there.