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Care guide

Cameroon Tri-Color Millipede

Pelmatojulus tectus

A giant Cameroonian millipede with a striking three-band color pattern per segment (yellow, orange-red, and black) adults reach 4-6 inches and are noted as easy to reproduce in captivity.

Pelmatojulus tectus

Cameroon Tri-Color Millipede: Advanced Care Guide

Keeper Snapshot: A giant Cameroonian millipede with a striking three-band color pattern per segment (yellow, orange-red, and black) adults reach 4-6 inches and are noted as easy to reproduce in captivity.

Group: MillipedesDifficulty: Spice 2: BeginnerSetup: Tropical communal millipede (giant African)Handling: Brief contact tolerated. Handling is optional and never required for good care, and a fall can injure the animal.

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

Temperature72-77°F
Humidity80-90% with cross ventilation; wet lower substrate and moss, drier surface
Setup TypeTropical communal millipede (giant African)
SubstrateSoil, moss/sphagnum, dead leaves and dead wood; isopod cleanup crew recommended
FeedingDecaying leaf litter and dead wood, fruits/vegetables/jelly-type supplements occasionally
Care DifficultySpice 2: Beginner
HandlingBrief contact tolerated. Handling is optional and never required for good care, and a fall can injure the animal.

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

  • Baby Buddy for juveniles
  • Burrow Buddy for adult colonies

Warnings First

  • Moisture drop-off risk, as with all giant tropical Pachybolidae
  • Likely wild-caught import: quarantine and mite-check on arrival
  • 'Tri-color' is a descriptive nickname rather than an established retail brand name. Confirm the yellow/orange-red/black banding pattern against invoice photos before finalizing ID
  • At 80 to 90% you are running near the ceiling, so cross ventilation stops being optional. This is the humidity band where a still bin goes anaerobic fastest.

Simple Care

  • High humidity (80-90%) with moss/sphagnum plus soil and dead wood.
  • Cross ventilation low on two opposite walls: at this humidity, airflow is what keeps the bin aerobic.
  • Add an isopod cleanup crew.
  • Offer decaying leaf litter and dead wood continuously.
  • Cuttlebone always available.
  • Shallow water dish packed with pebbles so juveniles cannot drown.

Advanced Keeper Notes

Enclosure & Microclimate
  • This species wants very high humidity (80-90%) (the top end of the range for giant African millipedes) achieved with a soil/moss/dead-wood mix rather than a drier leaf-litter-only substrate.
  • An isopod cleanup crew helps manage waste and mold in the consistently damp enclosure this species needs.
  • At the top of the humidity range, ventilation placement is what separates a working bin from a sour one. Put vents low on two opposite walls so air crosses the substrate surface while the moss and lower layers hold the water. The cleanup crew helps with waste, but it cannot fix anaerobic substrate; only airflow does that.
  • Ventilation and ambient humidity pull hardest against each other at this end of the range, and the resolution is the same: carry the moisture in deep substrate and sphagnum rather than in still air, then ventilate freely.
  • Judge by squeeze and smell rather than by gauge. Lower substrate clumps like a wrung-out sponge, releases no free water even at 80 to 90%, and smells like forest floor. Sour or ammonia at this humidity means act now rather than at the next substrate change.
  • Keep a shallow water dish packed with pebbles so the waterline sits below the rim, and mist into the moss and under the dead wood rather than over the surface. That maintains the damp microclimate the animals and the isopods both use while the open surface stays free to breathe.
Feeding, Growth & Maintenance
  • Feeding: decaying leaf litter and dead wood as the staple, with fruits, vegetables, and jelly-type supplements offered occasionally; cuttlebone always present for calcium.
  • Molting: happens in a sealed underground chamber. Leave a still, buried animal alone and keep that substrate zone from drying out.
Possible Origin / Range
  • Likely native range: Cameroon, West-Central Africa (historically also recorded from Zanzibar).
  • Habitat translation: Humid rainforest floor litter: deep, damp leaf-and-wood substrate at high tropical humidity.
Advanced Keeper Details
  • Documented as easy to reproduce in captivity relative to other giant African millipedes: a reasonable starter-colony candidate once established.
  • 'Tri-color' isn't a standardized retail brand name for this species: verify the banding pattern against invoice photos before finalizing product copy.
  • Sources: the full Big Z APA 7 reference list lives at References.