7th Leg

Breeding

Armadillidium pallasii - Croatian Giant Isopod

Armadillidium pallasii - Croatian Giant Isopod

Large Croatian pill woodlouse with impressive size for a ball-roller. Mediterranean care, beginner-friendly.

$15.99

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Types: Live Inverts › Isopods › Armadillidium sp.

Species: Armadillidium pallasii
Common Name: Croatian Giant Isopod or Pallas's Pill Woodlouse
Type: Isopod

Keeping
Dificulty Level:
Beginner
Purpose: Bioactive; large showy pill bug
Origin: Croatia, Balkans
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: Mediterranean; 64-72 °F (18-22 °C)
Humidity Requirements: 65-75% 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: 0.55-0.71 in (14-18 mm)
Breed Rate: Moderate
Breeding Season: Year-round indoors
Brood Size: 20–60 mancae per brood

Information
Details: Croatian Giant Pill Bug
Armadillidium pallasii

One of the larger Armadillidium species in trade.
Impressive size with classic pill bug behavior.
Great for keepers who want a bigger ball-roller.
Tidbit: Among the larger Armadillidium species in the hobby.

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