Interesting articles. IF you have the time to follow the author's routine, you may be successful in a smaller tank. I can only point to the numerous threads posted here about mandarins dying within months in smaller tanks. True, the owners did NOT follow the instructions, but even those that tried had problems. On the other hand, in my 125 started with 180 pounds of uncured LR
there was no way I could get a mandarin to eat anything but live pods
. They were plentiful and I only saw my mandarin every few days when it came back out from the rocks to forage for a bit out in plain site. Definitely the mos interesting fish to watch feed as it moved from spot to spot hunting and feeding.
I lost my mandarin last year after 6 years due to my lackof tank maintenance.