Dumeril’s boas are native to the spiny thickets/forests of southwestern Madagascar, which are part of the xeric shrubland biome. Xeric shrublands are a type of desert that receive less than 250mm of annual rainfall. Because it receives so little rain, this part of Madagascar is considered quite dry. However, it’s not the Sahara desert and the habitat shouldn’t be treated as such.

According to experienced keepers, Dumeril’s boas do best with an average humidity between 40-60%. If you live in a moderate to high humidity area, this shouldn’t be hard to achieve. Occasional misting at night (with a pressure sprayer like this one) can be used to create humidity spikes, especially when the snake is about to shed. If you find that you’re still struggling with humidity levels, mix water into the substrate as needed for a more consistent increase in humidity.

• PRO TIP: Use distilled water for misting (not drinking). Hard water stains are tough to get rid of, but using distilled also extends the life of your mister.

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