I had 4 H magnifica and 3 Ocellaris and two Pink Skunk in my 450 g tank before. The two species of clown stay on different anemones. The three Ocellaris really is not a family but a pair and one juv go push out of the anemone. He just get in at night or when danger is around (like when I put my hand in the tank). The third Ocellaris did not really get beat up a lot, just occasional torn fin, but he really did not seem happy. He stay small but not thin because I feed my tank well.
FWIW, both of these species are the most docile of the clowns.