American giant millipede (Narceus americanus)
Invertebrates · Difficulty: Beginner
Key facts and care guidance for American giant millipede (Narceus americanus) (origin: The eastern USA). Adult size around 10–12 cm, individual animals up to 15 cm. Life expectancy 5–10 years. The values below are carefully researched guidance.
Short answers
American giant millipede: How big does the enclosure need to be?
80×30×30 cm (single animal or small group), of which 10–15 cm is substrate.
American giant millipede: What temperature does it need?
Daytime 20–26 °C, basking spot No basking spot, at night 16–20 °C.
American giant millipede: Does it need UVB lighting?
UVB: Not required.
American giant millipede: How long do they live?
Life expectancy: 5–10 years.
American giant millipede: Is it suitable for beginners?
Yes – it is considered suitable for beginners (difficulty: Beginner).
Climate
- Daytime temperature
- 20–26 °C
- Night temperature
- 16–20 °C
- Basking spot
- No basking spot
- Humidity
- 70–85 %
- UVB
- Not required
Enclosure
- Minimum size
- 80×30×30 cm (single animal or small group), of which 10–15 cm is substrate
- Substrate
- Deep leaf mould with white-rotted wood (15 cm), a calcium source
Feeding
- Food
- Fallen leaves, white-rotted wood, vegetables, cuttlebone
- Feeding interval
- always available
Key facts
- Adult size
- 10–12 cm, individual animals up to 15 cm
- Life expectancy
- 5–10 years
- Origin
- The eastern USA
- Protection status
- Not listed under CITES
- Brumation
- A cooler spell of 8–12 weeks
- Cohabitation
- Group housing. You see more of them in a group, but they are not dependent on it — kept alone, such an animal carries on just as unobtrusively.
Notes
To be kept cooler than the tropical species – native fallen leaves (oak, beech) are ideal food. Under stress it releases a skin-irritating secretion: wash your hands after contact.
Do you keep this species?
Add your animal to Reptoria – Reptoria reminds you about feeding and shedding. Add your animal for free →
Look for American giant millipede (Narceus americanus) in the marketplace →
Related species
- Giant African millipede (Archispirostreptus gigas) – Beginner
- Bumblebee millipede (Anadenobolus monilicornis) – Beginner
- Fire millipede (Centrobolus splendidus) – Beginner
- Ghana giant millipede (Ophistreptus guineensis) – Beginner
- Ghana black-foot millipede (Spirostreptus gregorius) – Beginner
- Green millipede (Telodeinopus aoutii) – Beginner
- Madagascar fire millipede (Aphistogoniulus corallipes) – Beginner
- Mozambique giant millipede (Centrobolus sp. Mosambik) – Beginner
What you need to start
To keep American giant millipede (Narceus americanus) you typically need: a suitable enclosure (80×30×30 cm (single animal or small group), of which 10–15 cm is substrate), substrate (Deep leaf mould with white-rotted wood (15 cm), a calcium source), a heat source with a thermostat, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.
The complete, interactive care database is in the Reptoria app.
Last updated: 9 October 2026 · Editor: Reptoria editorial team · Sources include: Wikipedia EN, bantam.earth, einrichtungsbeispiele.de, eu_annex.txt (lokal, VO (EU) 2026/1383), joshsfrogs.com
All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).