I would advise against it sorry, they are exstemely aggessive, some people are lucky however alot has to do with tank size, hiding space and luck..You could be ok for a while but i highly dought that, i have heard of these guys totally aniyalting a oscar at feeding time and a shoal of silver dollar's from what i have read, what size tank do you have? clown loach deffo now as im guessing yours are nearly same size if not smaller,they will be dinner in my oppinion