I have two angelfish, one of which is still a juvenillie, and the other which is mature and fully frown, two gouramis, and a bichir. I wanted to get some nice schooling fish that won't end up being eaten by my angels and bichir that's not quite fully grown yet, but has already become a bit of a biter. I want at least six or five, depending on the size, which should be relatively small. I was thinking harlequin rasbora, but I don't know how they'll act with my bichir. Suggestions?