From what I can see, they all look male to me angelfishguy, but like I said on your thread, some side on shots would be good, Im no expert at sexing bolivians, they arent as easy as blue rams to sex.
Fairly common for rams to have little tiffs about whose area is whose, usually just chasing, nothing serious, let them settle, even if they are m/f, doesnt mean they will get on.