Quote Originally Posted by pjaldave
Looks like the tank is uncycled and they have better things to do to survive than to fight each other. When the cycle is done, they'll show their true colours. This is only a speculation in my point though (that the tank is cycling)

No is the answer for keeping multiple gouramis. Even if it does work now, you'll never know when the dominant gourami will shred the other one to death.
the tank is cycled the gouramis have both been in the tank for about a month after it was cycled