great fish! I have one (below). are you putting it in a tank of its own as I think alot of the fish you have will become lunch qiute soon and I wouldn't put it in the cichlid tank. I tank it you know how big they get?
what tank are you keeping the red tail in because he can eat something more than half its size and second what size tank are you goin to put him in because he can get over 2 and a half feer