what are you talking about?MultispeciesTamer;2774785; said:it all depends on personal prference

personal preference of having a fish crammed in a tank that is way too small? get real! 240+, a tank with at least a 4' wide x 8' long footprint, or a good sized pond is needed to house lmb.
the reason people say 240+ is because no matter what, unless the tank is REALLY tall, a 240g will is a guaranteed setup for life for a lmb.