yeh as it says i want to create a very effecient eco system in a 10 gallon its very small but i think it is possible becuase i have seen 10 gallon reef tanks that are just amazing filled with snails crabs and other organisms what type of fish and inverts would you guys suggest to put with fiddler crabs, plecos and pictus catfish? those are the only fish i could think of. for inverts like snails what type of snails should i get ive only had experience with moonlight mystery snails and they always die