Ill wait until it gets to be a foot. But I have new ? My aros have been jumping very often lately. Its been making me nervous lately since they could easily break the tnk at that size. Other than spooking the anything else that makes them jump? The tank is 200 gallons. I know its too smal but when i bought them the pet store said it would be enough. So until I can get a bigger one it will have to do