Desert millipede (Orthoporus ornatus)
Photo: U.S. Fish and Wildlife Service / Public domain · via Wikimedia Commons

Invertebrate · Millipede

Desert millipede care guide

Orthoporus ornatus

Intermediate

The desert millipede is a intermediate-level millipede from SW United States, northern Mexico. Adults reach Body 10–15 cm and live 7–10 years in captivity. Keep the surface drier than tropical species but the deep layer moist.

  • Enclosure 30 × 20 × 20 cm
  • Temp 24–30°C
  • Humidity 40–60% (damp lower layer)

How much does a desert millipede cost in Canada?

Animal$25–50Typical captive-bred price
Bioactive enclosure$110–200Enclosure $30–60 · equipment $40–90 · bioactive supplies ≈ $40
Yearly upkeep$20–40Food, supplements, bulbs, power, vet fund
First year total$150–290All prices CAD, estimates

Desert millipede quick facts

Skill level
Intermediate
Adult size
Body 10–15 cm
Lifespan
7–10 years
Activity
Nocturnal
Native range
SW United States, northern Mexico
Minimum enclosure
30 × 20 × 20 cm (12 × 8 × 8 in, ≈ 3 US gal)
Housing
Up to 4 can share; add about 30% more floor space for each extra animal.
Temperature
24–30°C
Humidity
40–60% (damp lower layer)
UVB
Not needed
Diet
Detritivore – rotting wood, dry leaves, vegetables
Bioactive style
Desert invertebrate

Desert millipede enclosure & bioactive setup

Give one adult at least 30 × 20 × 20 cm (12 × 8 × 8 inches). Up to 4 can share; add about 30% more floor space for each extra animal. This species suits a desert invertebrate bioactive build.

  1. Soil and sand mix15 cm

Keep it dry with one slightly moistened corner. Desert species are sensitive to stuffy, wet conditions.

Temperature: 24–30°C. Humidity: 40–60% (damp lower layer). UVB: Not needed.

What does a desert millipede eat?

Detritivore – rotting wood, dry leaves, vegetables. Keep leaf litter and wood available and offer vegetables and calcium weekly.

Handling, temperament & health

Calm and handleable; wash hands afterwards.

Health watch: Needs deep substrate kept damp at the bottom for moulting and estivation.

Cleaning & maintenance schedule

Daily

  • Visual check.

Weekly

  • Feed; remove leftovers.
  • Moisten one corner lightly.

Monthly

  • Check the soil hasn’t become damp throughout.

Yearly

  • Refresh substrate if it smells or compacts.

Recommended for a desert millipede bioactive

Quantities are for one minimum-size enclosure (30 × 20 × 20 cm).

Desert millipede FAQ

Is the desert millipede good for beginners?

The desert millipede is best for keepers with some experience (intermediate). Calm and handleable; wash hands afterwards.

What size enclosure does a desert millipede need?

At least 30 × 20 × 20 cm (about 12 × 8 × 8 inches, roughly 3 US gallons) for one adult. Up to 4 can share; add about 30% more floor space for each extra animal.

How much does a desert millipede cost in Canada?

Typically $25–50 CAD to buy, about $110–200 CAD for a complete bioactive enclosure, and $20–40 CAD a year to keep.

What temperature and humidity does a desert millipede need?

Temperature: 24–30°C. Humidity: 40–60% (damp lower layer).

What does a desert millipede eat?

Detritivore – rotting wood, dry leaves, vegetables. Keep leaf litter and wood available and offer vegetables and calcium weekly.

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This care sheet is general guidance from One Bioactive, not veterinary advice. Needs vary with age, locality and individual animals – confirm with your breeder and an exotics vet. Prices are typical Canadian ranges in CAD and change over time.