ok im thinking of putting a new fish in my 150g tank just so people dont flip it has the foot print of a 220 just a little shorter 72lx24wx20h. i have a 18" jar a 16" ornate burcher and a 10" it dat in there right know im thinking about putting a jd or something similer in the tank but im kinda scared about my aro being beat up he was a save and had the hell beat out of him by a bunch of oscars. all is good right know in the tank his fins are growing back. what you guys think any ideas or should i just leave the tank as is. the fish that are in it are pritty much full grown or any growing thay might have left is going to be realy slow