if you have a 10 gallon you don't buy a fish that will out grow it an a matter of months.
Never said my arowana is staying in a 180 it's hole life so hold your horses there buddy bigger tank is on its way so you don't have to get your panties in a bunch. If push comes to shove and I don't get my big tank built in time I'm not going to keep him I will give him to a proper tank the same way I gave my last arowana away to a bigger tank. I'm sure threw his research he will come to the conclusion that he needs to upgrade or sell/trade the fish. Sorry to single you out but it is what it is you make it sound like of you don't have a monster tank in the 400 gallon range you can't enjoy having an arowana until it outgrows the system...