Picking inhabitants for small terrariums like these is always more difficult than aquariums IMO. Space restrictions aside, tiny ground covers like HC and mosses get trampled quite easily by heavier bodied creatures, many beetles burrow and will uproot your plants, etc. European and tropical Asian countries have many more options for neat inverts than we do here in North America. So from an already shallow pool of inverts I have to find something that I find interesting and won't damage the plants as they are the primary focus of these vivariums.
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