Geographic Location
The Chaerilus sp. "Sumatra" (Sumatra Bark Scorpion) is native specifically to the island of Sumatra, Indonesia. Its distribution is confined primarily to tropical forest regions across the island.

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Natural Environment
This scorpion inhabits humid, tropical forest ecosystems. Within these forests, it typically resides under loose tree bark, hidden in leaf litter, or concealed inside crevices and hollows of decaying wood, utilizing such shelters for protection and hunting.

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Climate Conditions
The Sumatra Bark Scorpion thrives in consistently moist environments, requiring humidity levels between 70% and 80%. Ideal temperatures for its natural and captive habitats range from moderate to warm, specifically between 22°C and 26°C.

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Adaptations
The brown coloration of the Chaerilus sp. "Sumatra" provides effective camouflage, blending seamlessly with leaf litter, bark, and soil. This adaptation enhances its ability to remain undetected by predators, while simultaneously aiding in its stealth-based predation on small insects.

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Captive Habitat Recommendations

In captivity, the scorpion requires an enclosure designed to mimic its natural habitat. Suitable substrates include msoil that can retain moisture and cutting of 80% of ventilation, ensuring proper moisture retention and humidity. Adequate hiding spaces, such as cork bark or small logs, are essential. Regular misting maintains necessary humidity, ensuring optimal health conditions.