Scolopendra polymorpha
Arizona Desert Centipede: Advanced Care Guide
Keeper Snapshot: A fast, defensive Southwestern Scolopendra with dry-leaning care and a painful bite risk. Strictly display-only with locked-lid, tool-only maintenance.
Group: CentipedesDifficulty: Spice 4: AdvancedSetup: Dry desert terrestrial centipede setupHandling: NEVER
Use This Guide Safely
- Confirm the exact animal. Match this guide to the species, locality, size, and life stage on your label. If the ID is uncertain, use the more conservative part of the range and ask before changing the setup.
- Change one thing at a time. Treat temperature and humidity as target zones, then watch posture, burrowing, drinking, feeding, and molt behavior before making another adjustment.
- Respect the handling boundary. If the guide says no handling, fast, defensive, or medically significant, plan transfers with catch cups, locked lids, and no bare hands. For serious bites, stings, or symptoms, seek emergency medical care.
Quick Snapshot
| Temperature | 75-85°F |
|---|---|
| Humidity | Ambient 40-55%, cross-ventilated; one damp retreat, dry surface |
| Setup Type | Dry desert terrestrial centipede setup |
| Substrate | Sand/soil mix with a dry surface and one lightly damp retreat |
| Feeding | Appropriately sized roaches or crickets every 7-14 days |
| Care Difficulty | Spice 4: Advanced |
| Handling | NEVER |
Humidity zones: Very Low under 30% - Low 30-60% - Low-Moderate 40-70% - Moderate 60-80% - Moderate-High 70-85% - High 80%+ - Very High 90%+
Enclosure Format / Size Class
- Burrow Buddy: secure juvenile grow-out with substrate and a tight hide
- Larger horizontal, escape-resistant terrestrial enclosure for adult size
Warnings First
- Fast and defensive
- Painful venomous bite risk; never handle
- Solitary housing only; never cohab centipedes
- Escape-proof lid and tiny ventilation gaps are mandatory
- Keep one humid retreat, not a wet enclosure
- Tiny gaps, but plenty of them, and placed low. Cross ventilation at substrate level is what keeps the dry surface genuinely dry and stops the damp retreat going stale.
Simple Care
- Work over secondary containment every time you open the enclosure.
- Give substrate depth, hides, and one controlled moisture pocket.
- Cross ventilation low on two opposite walls, at substrate level. This is what actually keeps the surface dry.
- Keep the surface mostly dry and ventilated.
- Shallow water dish packed with pebbles so a small centipede cannot drown.
- House singly; centipedes are cannibalistic.
- Use long forceps for feeding and cleanup; never fingers.
Advanced Keeper Notes
Enclosure & Microclimate
- Use a secure terrestrial enclosure with a tight lid, small ventilation gaps, and enough substrate to let the centipede retreat. A cork hide or buried starter hide helps it settle.
- Keep the main surface dry-to-lightly-dry, then maintain one damp corner or hide so it can choose moisture without living in a wet box.
- Simpler decor is safer. You need to locate the centipede before opening and avoid loose pieces that create escape routes during maintenance.
- Small ventilation gaps are correct for this species, but you need enough of them and they need to be low. Cross ventilation at substrate level means fine-mesh vents on two opposite walls, at or just above the substrate line, so air crosses horizontally through the layer the centipede lives in. On a desert species that airflow is what holds the dry surface genuinely dry instead of letting moisture from the damp retreat creep outward until the whole box turns clammy.
- Bond fine stainless mesh flush over those low vents and size every opening under the head width. Plenty of small openings beat a few large ones here: same airflow, no escape route.
- On a dry-kept species the ventilation and humidity relationship works in your favor. Good airflow holds ambient down around 40 to 55% by itself, so the only moisture you actively manage is the damp retreat and the water dish. If ambient is drifting high, add airflow rather than removing water.
- Check by hand, not by hygrometer. The open surface should feel and look properly dry, while the damp corner and lower layers feel cool and lightly moist with no free water when squeezed. If the whole enclosure feels the same, that is a ventilation problem.
- Keep a shallow water dish packed with pebbles or coarse grit so the waterline sits below the rim. On a desert setup the dish carries most of the hydration load, a small or juvenile centipede cannot drown with the stones in place, and it lets you keep the substrate itself properly dry.
- Mist under the damp-corner hide only, never over the open surface. That recharges the one microclimate this species relies on without collapsing the dry zone that makes the rest of the enclosure work.
Feeding, Growth & Maintenance
- Offer roaches or crickets no larger than the centipede can safely overpower, roughly its own body length or a bit less. Most juveniles do well on a 7-14 day rhythm, adults every 1-2 weeks, adjusted by body condition and temperature.
- Remove uneaten prey and boluses with long forceps twice the length of the centipede. Never feed with fingers.
- Molting: a centipede stops eating and seals into its burrow to molt, staying soft and vulnerable for days. Leave it completely alone, keep all prey out, and don't excavate to check on it.
Possible Origin / Range
- Likely native range: Southwestern United States and northern Mexico, including desert, scrub, and rocky cover habitats.
- Habitat translation: Dry, secure, and escape-resistant with a controlled damp retreat: desert surface, hidden moisture, locked lid.
Advanced Keeper Details
- Treat this as a no-contact animal even though it is not one of the giant tropical Scolopendra. Speed and escape risk are the main husbandry hazards.
- A bite is painful, and how bad it gets varies a lot. Allergic or severe reactions are possible. That is why the care plan is built around not getting bitten.
- Adult size is commonly around 4-7 inches depending on locality and individual. Plan a longer horizontal enclosure as it grows.