Hey Deep.. Sorry to hear about the way your friend got ripped off. I think a lot of us have been there before especially before MR. Some people will do anything for a buck! PM sent by the way.
So far it seems that this guy is going to keep his livestock and tank ,i think he will come thru when things start to get out of hand ,right now ,one of the fish is get harrased .im sure once they are done with him ,the fish will move on to the next ,hope thats not th case