7th Leg

Breeding

Cristarmadillidium muricatum - Pineapple Spiky

Cristarmadillidium muricatum - Pineapple Spiky

East Asian pill bug with a noticeably spiny texture. Collector species for humid subtropical bins.

$59.99

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Types: Live Inverts › Isopods › Other Species

Species: Cristarmadillidium muricatum
Morph Name: Pineapple Spiky
Common Name: Spiny pill woodlouse
Type: Isopod

Keeping
Dificulty Level:
Intermediate
Purpose: Collector bioactive species
Origin: East Asia (Japan, Taiwan region)
Enclosure: Ventilated plastic bin or glass terrarium with 2–4 in (5–10 cm) moist substrate of peat, leaf litter, and cork bark flats.
Climate: Subtropical; 64-72 °F (18-22 °C)
Humidity Requirements: 70-80% RH
Hydration: Half spray 1–2× weekly on one side; light corner pour as needed. Pair with a hydration station as a sidekick—it wicks moisture into the substrate and adds consistent humidity support for up to 2 weeks in setups that need it. Stations do not replace all spraying, but they help maintain stable moisture between mistings.
Diet: Decaying leaf litter, rotten hardwood, and vegetables. Offer Muscle Meal 2–3× weekly for breeding, Garden Graze 1–2× weekly, Fungal Feast weekly on wood, and Calci-YUM with feedings or as a constant dish.

Reproduction
Adult Size: 0.39-0.55 in (10-14 mm)
Breed Rate: Moderate
Breeding Season: Year-round humid culture
Brood Size: 15–35 mancae per brood

Information
Details: Spiny Pill Woodlouse
Cristarmadillidium muricatum

East Asian pill bug with a noticeably spiny texture.
Collector species for keepers who want something different.
Humid subtropical setup with leaf litter and bark.
Tidbit: Distinct spiny appearance compared to smooth Armadillidium.

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Customer reviews

  • ★★★★★

    I recently picked up some pineapple isopods from Seventh Leg at the Birch Run Reptile Show, and I couldn’t be happier with the experience. The isopods are healthy, active, and look fantastic—clearly well cared for. On top of that, the customer service was excellent. They were friendly, knowledgeable, and took the time to answer my questions and make sure I felt confident about my purchase. Overall, a great experience, and I’d definitely buy from them again. The slate food bowl they offer is also a really nice touch—well-made and perfect for keeping things clean and organized.

    By: Matt Langley

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