yeah, i've never kept them but that link says they're aggressive and can olny be kept with one male and a few females... and they'll eat dwarf shrimp and small fish lol.
my lfs has them with plecs, and the plecs fins are all munched
i have 6 in a tank on there own, there is 2 males and im not to sure about the others yet,
im keeping an eye on them but they seem to be getting along so far.