Yes, some herp species really aren't practical to keep alive long term in "traditional" housing. Smaller frogs (Dendrobatids), some of the geckos (mourning geckos; probably some of the other dwarf geckos such as Sphaerodactylus) are like this. I keep a few frog species that eat only springtails when they're very young, and need those springtails to be available at all times. These smaller species that are fairly intolerant of deviations in moisture levels are well-served by a mass of plants that transpire water into the air and provide a range of small moist hiding spots. And many of these species must carry out their full life cycle (mating, egg laying, hatching, growout of young) in the parents' enclosure -- so that enclosure cannot be cleaned by replacing substrate since the eggs get scrambled and the young don't recover from the upheaval.
These needs aren't relevant to virtually any snakes, though there probably are a few; I've not kept any Storeria species, for example, which seem interesting but are reported to be fairly poor captives, and this may be because they're prime candidates for a well thought out bioactive enclosure tailored to their specific needs. And providing for needs that the animal doesn't have makes little sense.









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