finest your still missing the point.. You can set up 5- 50 gal tanks and the fish you have are still too big for them. You need smaller fish like clowns or dwarf angles for a 50.
Emperor angel get 15" long and need a min of 135
Bamboo shark 40" long need a min of 180
Clown Trigger 20 " min 135
The Undulated trigger is the only one that you could keep in a 50.
Which fish did you get rid of?
I agree with Fishfrik, i don't think you got rid of any of them.
As the others posted I want this thread kept open in the hope that you would learn something. At this time I really don't think that you did.
In the end its your tank and you will do what you want with the tank and the fish in it. I hope that you can take something positive away from this.