Personally I would never cycle a fish with a tank. Do you have another cycled tank? If you don't then keep the betta in their. They are very hardy fish and have a labrinth lung. This means they can breath air so as long as the water quality isn't absolutely shocking then the betta should be fine. I say I would never cycle with a fish as it could hurt the fish at kill it. But the betta should be ok in that tank if you don't have another cycled one. Nice tank by the way and hope this helps.