to those of you who are experience.. whats the minimum gallon tank to house 3 arowana for life and will let them have enough moving space and be comfy cause i was at the local fish store.. and i was pricing out my new tanks.. and if im gonna get one? i might as well go big or go home but i honestly.. dont feel like.. blowing.. 4grand on a damn.. 265 gallon + stand and canopy.. i think only this is from bigals btw i mean.. 4grand? i could just go custom make for for same price probably nicer