📏Enclosure Size:
A single adult Paruroctonus boreus can be comfortably housed in a 1–2 gallon enclosure, as it is a small, solitary species.
A larger enclosure may be used if you want more environmental complexity.
The enclosure should include:
2–3 inches of dry, compactable substrate for shallow burrowing
Hides such as flat rocks, bark pieces, or slate
~Lots of ventilation, as the species thrives in low-humidity, well-aerated setups
Avoid overly moist substrates as this species comes from dry, cool habitats and does not tolerate prolonged humidity.
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🌡️Temperature:
Maintain a moderate environment that mimics its northern range:
Day: 22–28 °C (72–82 °F)
Night: 18–20 °C (64–68 °F)
Heating is often not required unless your room is cold.
If supplemental heat is needed:
Use a side-mounted heat mat only
Avoid bottom heat, as P. boreus may burrow and become trapped in overly warm soil
Monitor temperatures at both the surface and within the substrate, as they prefer cooler, stable microclimates.
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💧Humidity:
Paruroctonus boreus requires low humidity
Maintain 20–40%
Keep substrate dry, with only occasional light misting of one corner every couple of weeks
Excess moisture can cause stress, fungal issues, and molting problems
Humidity stability is important, avoid creating a damp enclosure.
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🌱Substrate:
Use a dry, firm substrate that supports shallow burrows. A reliable mix includes:
Play sand
Organic topsoil or excavator clay
(Optional) A small amount of fine gravel for realism and structure
Typical blend: 70% sand + 30% soil/clay.
Keep the entire substrate dry, with maybe a slightly cooler, lightly dampened corner if desired (especially for juveniles), but avoid moist environments overall.
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⏰Feeding schedule:
Feed adults every 7–10 days.
Suitable prey:
Small crickets
Roach nymphs (e.g., red runners, dubia nymphs)
Occasional mealworms or waxworms (treat only as they are high in fat and not much else)
Juveniles should be fed at least once a week.
P. boreus may fast before molting or during cool seasonal periods, this is normal.
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🥣Water Source:
Provide a shallow water dish with fresh water. This species can drink sometimes due to it's habitat.
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🍃Ventilation
Good ventilation is important. Coss-ventilation works best. This species works beast in less humid environments so be sure to have a lot of ventilation.
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🙈Hides:
Provide multiple hiding options, including:
Shallow burrowable substrate
Flat stones or slate
Cork bark pieces
Small artificial caves
This species is not communal, house singly. Multiple hides reduce stress and allow the scorpion to choose its preferred microclimate.
