I've had bleheris in a tank with plenty of other fish too. Fact of the matter is, they don't make good tankmates. They were not the top dogs, so they sat in corners, hid all day, and lost their colors. When one of them got torn apart, I took them out.
Other comm was with the aurantis, as I said earlier, they cleaned the tank of any other fish.
We all learn from our mistakes, but this is a gruesome mistake to try, the pulchras are going to die, there is no way around it.