Would it be better to use a standard 20 long aquarium or go with a 20" cube tank (roughly 35 gallons) for a lil breeding tank? The 20 is a rimmed tank and the 35 is rimless if that matters and I am currently only keeping rimless tanks which definitely impacts my train of thought to keep aesthetics in line but I am by no means opposed to a rimmed tank, footprint (for the sake of the apistos) is what matters.