I agree, it's a risk you don't need to take. If you were determined to do it, though, I would make sure you break up the line of sight between one side of the tank and the other. I've read that doing that can prevent some territorial fighting.
55 gallon reef tank. AquaticLife 4-bulb T5 HO with 4 LED moonlights. Reef Octopus BH-1000 HOB protein skimmer. TLF Phosban Reactor 150 running 400ml of NPX Bioplastics with a Maxi-Jet 1100 and a BRS Reactor running activated carbon with a Maxi-Jet 900. Vortech MP10w.