I've just bought a 15 gal tank and need to stock it with fish, I've had it set up for 2 weeks before I added 4 neons 2 corridorus and a khuli. They need to be colourful and active, so the wife will like them. This tank is a decoy I have 3 kids all on side and just need to sway her for little does she know I have been given an 85 gal tank that is currently sitting in my celler. Any advice would be appreciated .