Ideas for 16g tank


Recovering Detritophobe
If you had a spare 16g tank (22x12x15) on your desk…. What would you do with it? I’ve already got a 180g sps reef so been there done that with the typical reef tank. Looking for some kind of unique setup/inhabitant or some kind of “gimmick” to make the tank interesting and different. ie rubble field with shrimp gobies, or DSB sand flat with jawfish, or single anemone with clown pair, or seahorses, or mantis shrimp, or…