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Spice 3 · Intermediate
How the Spice System works
WC: Wild caught
Collected from the wild and settled in at Big Z's before it ships. Many species, adults especially, are rarely bred in captivity.
Big Z's notes
About this Fella
Chocolate Desert Millipede for sale from Big Z's (Orthoporus ornatus). Comes with a Spice rating and a care guide, and ships packed for the weather.
The Southwest's biggest native millipede, and it wants its air bone dry
Orthoporus ornatus, the Chocolate Desert Millipede, is a hardy semi-arid heavyweight that roams the deserts of Texas, New Mexico, and Arizona. This one wears the dark chocolate-brown color form, a glossy segmented rope that reaches 4 to 5 inches and lives for years. A proven desert native through and through.
Gentle and easy to work with, this is a hands-open, no-squeezing kind of animal. It can seep a mild staining secretion, so wash your hands after handling. The one thing you absolutely have to get right: this is a desert animal, not a rainforest one. Keep it drier than a tropical millipede, with strong cross-ventilation, mostly dry substrate over hardwood leaf litter, and just one lightly damp corner. Too-wet substrate and stale air are the number-one killers, which is what earns this species its Intermediate, Spice 3 rating. The care guide has the full arid build.
Full care is in the care guide. It covers enclosure size, temperature, humidity, feeding, molting signs and handling limits for this species. Read the Advanced guide, or the shorter Simple guide →
- Lane
- Spice 3 · Intermediate
- Source
- WC: wild caught.
Chocolate Desert Millipede (Orthoporus ornatus)
Millipede
Keeper feedback
$7.994-5" (Adult) WC selected
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Spice 3 · Intermediate
How the Spice System works
In stock, ships from Big Z HQ
24 available right now
Ready to ship
At a glance
The quick read on this fella
- Adult size
- 4-5 in long
- Venom
- No venom
- May release defensive fluid
- Type
- Fossorial
- Burrower · US native
- Climate
- 72-82°F · 45-60%
- Well ventilated; dry substrate, one moist corner
- Feeding
- Decaying hardwood leaves, cuttlebone, veggies
- No citrus
- Lifespan
- Up to about 10 yrs
From our Texas Gold / Desert Millipede care guide. Read the full guide
Live animals ship Mon to Wed
FedEx Standard Overnight $44.99 or Priority Overnight $49.99, both with the Live Arrival Guarantee; free overnight on orders $499.99 and up. FedEx 2Day $34.99 has no guarantee and needs a signed waiver. Pickup in the Phoenix area or at an expo is free (arrange with Big Z first). Weather holds are free and we message you first.
Live arrival support
Every order is packed for that week’s weather. Not sure if Chocolate Desert Millipede is your spice level? Message us and we’ll talk it through.
Big Z's here to help
Not sure if Chocolate Desert Millipede is your spice level? Message us and we’ll talk it through.
Care guide Shipping and Live Arrival Guarantee
About this Fella Big Z's notes
Chocolate Desert Millipede for sale from Big Z's (Orthoporus ornatus). Comes with a Spice rating and a care guide, and ships packed for the weather.
The Southwest's biggest native millipede, and it wants its air bone dry
Orthoporus ornatus, the Chocolate Desert Millipede, is a hardy semi-arid heavyweight that roams the deserts of Texas, New Mexico, and Arizona. This one wears the dark chocolate-brown color form, a glossy segmented rope that reaches 4 to 5 inches and lives for years. A proven desert native through and through.
Gentle and easy to work with, this is a hands-open, no-squeezing kind of animal. It can seep a mild staining secretion, so wash your hands after handling. The one thing you absolutely have to get right: this is a desert animal, not a rainforest one. Keep it drier than a tropical millipede, with strong cross-ventilation, mostly dry substrate over hardwood leaf litter, and just one lightly damp corner. Too-wet substrate and stale air are the number-one killers, which is what earns this species its Intermediate, Spice 3 rating. The care guide has the full arid build.
Full care is in the care guide. It covers enclosure size, temperature, humidity, feeding, molting signs and handling limits for this species. Read the Advanced guide, or the shorter Simple guide →
- Lane
- Spice 3 · Intermediate
- Source
- WC: wild caught.
What ships with this order Care + shipping
- A free care guide for this species
- A heat or cold pack when the forecast calls for it
- Tracking and an arrival window before it ships
- Message Big Z about your animal for as long as you keep it
Care guideSpice 3 · Intermediate
Matched care guide
View in Care Guides library
Texas Gold / Desert Millipede
Orthoporus ornatus · Spice 3: Intermediate. Baby Buddy: juveniles. Burrow Buddy: adults and groups.
Orthoporus ornatus
Texas Gold / Desert Millipede
Big Z's Quick Verdict: The US Southwest's big native communal millipede. A semi-arid species, kept noticeably drier than tropical millipedes: dry substrate with one moist corner, hardwood leaf litter, and cuttlebone. Adults reach about 4-5 inches.
Group: Industry StaplesDifficulty: Spice 3: IntermediateSetup: Semi-arid communal millipede (drier than most)Handling: Not recommended, fragile if dropped
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 Care Snapshot
| Temp | 72-82°F |
|---|---|
| Humidity | 45-60%, well ventilated; dry substrate, one moist corner |
| Setup | Semi-arid communal millipede (drier than most) |
| Substrate | Mostly dry soil, hardwood leaf litter; one moist corner |
| Feeding | Decaying hardwood leaves, cuttlebone, veggies; no citrus |
| Handling | Not recommended, fragile if dropped |
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%+
Recommended Big Z's Setup
- Baby Buddy: juveniles.
- Burrow Buddy: adults and groups.
Critical Notes
- Often wild-caught: quarantine new animals and watch for mites.
- Drier than tropical millipedes: a moist corner, not a wet box.
- Good airflow keeps the moist corner a corner and helps keep mites down.
- Still needs hardwood leaf litter and calcium (cuttlebone).
Care Basics
- Mostly dry substrate with hardwood leaf litter and one moistened corner.
- Vents low on two opposite walls; strong airflow holds the dry/moist split and discourages mites.
- Cuttlebone for calcium; veggies as occasional treats; no citrus.
- Shallow water dish packed with pebbles; on a dry setup the dish carries hydration, and millipedes drown in open water.
- Groups work with enough floor space, leaf litter, and a shared moist corner.
- Don't keep it like an African giant millipede: this is a desert species.
Feeding, Growth & Maintenance
- Decaying hardwood leaves and rotted wood are the staple; cuttlebone for calcium; zucchini, cucumber, or sweet potato as supplements. No citrus, pesticides, or treated wood.
- Mostly wild-collected: quarantine new animals and watch closely for mites before adding them to a group.
- Millipedes molt underground for days or weeks. Never dig up a buried animal, and keep cuttlebone on hand so it can eat the shed exoskeleton.
Current Big Z's catalog: Yes
Orthoporus ornatus
Texas Gold / Desert Millipede: Advanced Care Guide
Keeper Snapshot: The US Southwest's big native communal millipede. A semi-arid species, kept noticeably drier than tropical millipedes: dry substrate with one moist corner, hardwood leaf litter, and cuttlebone. Adults reach about 4-5 inches.
Group: Industry StaplesDifficulty: Spice 3: IntermediateSetup: Semi-arid communal millipede (drier than most)Handling: Not recommended, fragile if dropped
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 | 72-82°F |
|---|---|
| Humidity | 45-60%, well ventilated; dry substrate, one moist corner |
| Setup Type | Semi-arid communal millipede (drier than most) |
| Substrate | Mostly dry soil, hardwood leaf litter; one moist corner |
| Feeding | Decaying hardwood leaves, cuttlebone, veggies; no citrus |
| Care Difficulty | Spice 3: Intermediate |
| Handling | Not recommended, fragile if dropped |
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
- Adults and groups: terrestrial burrow setup.
Warnings First
- Often wild-caught: quarantine new animals and watch for mites.
- Drier than tropical millipedes: a moist corner, not a wet box.
- Good airflow keeps the moist corner a corner and helps keep mites down.
- Still needs hardwood leaf litter and calcium (cuttlebone).
Simple Care
- Mostly dry substrate with hardwood leaf litter and one moistened corner.
- Vents low on two opposite walls; strong airflow holds the dry/moist split and discourages mites.
- Cuttlebone for calcium; veggies as occasional treats; no citrus.
- Shallow water dish packed with pebbles; on a dry setup the dish carries hydration, and millipedes drown in open water.
- Groups work with enough floor space, leaf litter, and a shared moist corner.
- Don't keep it like an African giant millipede: this is a desert species.
Advanced Keeper Notes
Enclosure & Microclimate
- O. ornatus (Texas gold / desert millipede): US Southwest and Mexico, semi-arid scrub. Mostly dry substrate with leaf litter and one damp corner, not a wet bioactive bin.
- Give enough leaf litter and rotted hardwood to graze on, plus a cuttlebone: the diet is still detritus-based, just in a drier home.
- Vents go low on two opposite walls. Strong airflow holds ambient at 45-60%, keeps the moist corner from spreading, and discourages mites.
- You can't really over-ventilate this species, as long as the moist corner and water dish stay topped up.
- Mist the moist corner under the leaf litter, not across the enclosure, so the dry substrate stays genuinely dry.
Feeding, Growth & Maintenance
- Decaying hardwood leaves and rotted wood are the staple; cuttlebone for calcium; zucchini, cucumber, or sweet potato as supplements. No citrus, pesticides, or treated wood.
- Mostly wild-collected: quarantine new animals and watch closely for mites before adding them to a group.
- Millipedes molt underground for days or weeks. Never dig up a buried animal, and keep cuttlebone on hand so it can eat the shed exoskeleton.
Possible Origin / Range
- Likely native range: Southwestern United States and Mexico: semi-arid scrub and desert grassland.
- Habitat translation: A mostly dry substrate with hardwood leaf litter and one moist corner, a cuttlebone, and detritus to graze on: drier than any tropical millipede setup.
Advanced Keeper Details
- Adult size about 4-5 in; a long-lived detritivore like the other big millipedes.
- Group housing is normal for roomy semi-arid builds, but all animals still need access to the moist corner and enough leaf litter to graze.
- The intermediate rating is the drier-care quirk plus the wild-caught realities; the husbandry itself is simple once you accept it's a desert animal.
- A true US native, and a good change of pace from the tropical millipedes.
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