Pallasii 'Corfu' Isopods (Armadillidium pallasii) for Sale UK

Armadillidium pallasii 'Corfu' — Pallas's Pill Woodlouse — is one of the most rewarding larger Armadillidium available in the UK hobby. A robust Greek species from the island of Corfu (Kerkyra), it's prized for its substantial size, attractive marbled colouration, and genuinely hardy, beginner-friendly nature. Adults reach up to around 24 mm, making them one of the larger Armadillidium you can keep — properly observable display animals with real presence. The common Corfu form displays a rich deep-brown body overlaid with lighter mottled, marbled patterning, giving them a handsome, naturalistic appearance that blends beautifully against substrate and leaf litter.

What makes the Corfu locale particularly worth keeping is the combination: impressive size and attractive marbling paired with genuinely easy, forgiving care. They're hardy, tolerant of a wide temperature range, and famously prolific — breeding all year round under good conditions. This makes them an excellent choice for beginners, a reliable workhorse cleanup crew for bioactive setups, and a productive species for keepers who want to see steady colony growth. Their large size, calcium-rich bodies, and productivity also make them a useful food source for insectivorous lizards, if that's your aim.

The species is named after Peter Simon Pallas, the celebrated 18th-century zoologist and botanist — the epithet "pallasii" is pronounced "palace-sea-eye." The "Corfu" designation refers to this specific genetically-distinct localised population from the Greek island, which tends to be more vigorous and exhibits a wider colour range than the standard A. pallasii in the hobby. Like all Armadillidium, they're true pill woodlice — capable of conglobating (rolling into a tight defensive ball) when disturbed.

As a Greek Mediterranean species, A. pallasii does best with moderate humidity and a moisture gradient — not constant high humidity. Getting this balance right is the key husbandry point, and it's genuinely straightforward once understood.

Quick Care Summary

• Scientific Name: Armadillidium pallasii 'Corfu'
• Common Names: Pallas's Pill Woodlouse, Pallas's Pill Isopod, Corfu Pallasii, Giant Corfu
• Family: Armadillidiidae
• Origin: Corfu (Kerkyra), Greece — Mediterranean island
• Adult Size: Up to approximately 24 mm — a large Armadillidium
• Lifespan: 2–3 years typical
• Difficulty: Easy — hardy and beginner-friendly
• Temperature: 18–28°C (wide tolerance; UK room temperature works year-round)
• Humidity: 60–75% with a moisture gradient — avoid both excessive wetness and bone-dry conditions
• Ventilation: Medium to high — good airflow important
• Conglobation: Yes — rolls into a tight defensive ball (classic pillbug behaviour)
• Behaviour: Nocturnal/early-morning active, social, peaceful
• Breeding: Prolific — breeds reliably all year round under good conditions

What Makes Pallasii Corfu Isopods Special

Several factors make the Corfu locale a genuinely worthwhile Armadillidium:

Impressive size. At up to 24 mm, A. pallasii 'Corfu' is among the larger Armadillidium available — properly substantial and easy to observe. The size gives them real display presence and makes them satisfying to watch foraging, while also making them practical as a feeder option for insectivorous reptiles if needed.

Attractive marbled colouration. The common Corfu form shows a rich deep-brown body overlaid with lighter mottled, marbled patterning. The effect is handsome and naturalistic — they blend beautifully among rocks and leaf litter, and the marbling gives each individual a slightly unique appearance. As a genetically-distinct localised population, the Corfu culture also exhibits a wider colour range than standard hobby A. pallasii.

Genuinely hardy and beginner-friendly. This is one of the Corfu's biggest practical strengths. They're tough, adaptable, tolerant of a wide temperature range, and forgiving of minor husbandry variations. For newcomers wanting a larger, attractive, easy species, they're an excellent choice.

Prolific all-year breeders. A. pallasii are productive breeders that reproduce reliably throughout the year under good conditions. This makes them satisfying for keepers who want to see steady colony growth, and dependable as self-sustaining bioactive custodians.

Excellent bioactive custodians. Their hardiness, size, and productivity make them genuinely useful cleanup crew in appropriate setups. They process decaying organic matter efficiently and maintain stable populations, contributing to substrate health while looking good doing it.

Distinguished naming. Named after Peter Simon Pallas, the renowned zoologist and botanist, the species carries a genuine piece of natural-history heritage — a small but appealing detail for collectors who enjoy the stories behind their isopods.

Conglobation. Like all Armadillidium, they roll into a tight defensive ball when disturbed — the classic pillbug behaviour. Their substantial size makes this satisfying to observe, and the marbled patterning remains visible on the rolled body.

How Pallasii Corfu Compares to Other Armadillidium

If you're choosing between Greek and larger Armadillidium, here's how the Corfu fits in:

• vs Yellow Spanish (A. granulatum): Both are larger Armadillidium (granulatum reaches ~25mm). Granulatum are Spanish with granulated texture and yellow spots; Corfu Pallasii are Greek with marbled brown patterning. Both hardy and substantial — choose based on appearance and origin preference.
• vs Frontetriangulum 'Corfu': Another Corfu-origin Greek Armadillidium you can keep. Frontetriangulum have the distinctive triangular "mantis" head and painted spots; Pallasii are larger with marbled brown patterning. Both hardy Greek species — natural companions in a Corfu/Greek Armadillidium collection.
• vs Zebra Isopods (A. maculatum): Zebras are smaller with bold black-and-white striping; Pallasii Corfu are larger with marbled brown tones. Different size and pattern style — both hardy, beginner-friendly Mediterranean Armadillidium.
• vs Espanyoli 'Marbelized': Both show marbled patterning, but Espanyoli are smaller Spanish isopods with white marble veining; Pallasii Corfu are larger Greek isopods with brown marbling. Both attractive marbled species — different scale and colour palette.

Browse the full Armadillidium collection to compare all species and morphs.

Setting Up the Enclosure

Given their larger size, provide a roomy enclosure — a 10–15 litre plastic container or terrarium suits a starter colony, with larger housing as the prolific colony grows. Plastic tubs with clip-lock lids hold appropriate humidity while allowing the ventilation Mediterranean species need. The 3L Braplast tub works for smaller starter groups, though established colonies genuinely benefit from more space.

For ventilation, drill multiple holes on opposite sides of the container for cross-ventilation. Medium-to-high ventilation suits A. pallasii — enough airflow to prevent stagnation while maintaining the moist zone of a gradient. Cover holes with fine mesh to prevent escapes.

Browse our accessories collection for appropriate enclosures, vents, and other essentials.

Substrate

Build substrate appropriate for Greek Mediterranean conditions:

• Organic topsoil base (pesticide-free) as the foundation
• Sphagnum peat moss mixed throughout for moderate moisture retention
• Crushed limestone or eggshells distributed throughout for calcium availability
• Flake soil mixed in for added nutrition
• Plenty of decaying hardwood pieces (they particularly enjoy rotten wood)

Substrate depth: 5–8 cm for burrowing. A. pallasii appreciate enough depth for moulting and security given their substantial size.

Top layer: Generous hardwood leaf litter — magnolia leaves and oak leaves work particularly well for long-lasting cover. Add multiple cork bark and tree-bark pieces distributed throughout, plus a sphagnum moss patch on one side to create the moist zone of the gradient. Decaying wood is genuinely important for this species, so include plenty.

Humidity and Temperature — The Key Husbandry Point

This is the most important aspect of A. pallasii care, and it's genuinely straightforward. As a Greek Mediterranean species, they need moderate humidity (around 60–75%) with a clear moisture gradient — NOT constant high humidity, but also not bone-dry. Importantly, both excessively high humidity AND overly dry conditions can lead to moulting problems, so the gradient is what matters:

• Moist zone (about ⅓ of enclosure): Sphagnum moss and damp leaf litter on one side, lightly misted to maintain moisture. This is where moulting individuals retreat.
• Drier zone (about ⅔ of enclosure): Drier substrate with leaf litter and bark cover, allowed to dry between mistings.

The gradient lets the colony self-regulate, moving between zones as needed. Where possible, avoid spraying the animals directly — mist the substrate and moss rather than the isopods themselves. As one PostPods customer noted about following the website's care guidance for Greek isopods, proper instructions prevent the common mistake of too much moisture. Get the balance right and A. pallasii thrive and breed prolifically.

Temperature should be 18–28°C — they have a wide tolerance and UK room temperature works year-round in most homes. Their Mediterranean origins mean they handle moderate seasonal variation well. Avoid sustained extremes, but they're genuinely forgiving on temperature.

Diet

A. pallasii are unfussy detritivores with hearty appetites befitting their size, and notably benefit from slightly more protein than many species:

• Primary diet (always available): Decaying hardwood (they particularly enjoy rotten wood), hardwood leaf litter (oak, beech, magnolia), dried plant matter
• Vegetables (1–2x weekly): Carrot, courgette, sweet potato, butternut squash, cucumber. Replace within 24–48 hours.
• Fruit (occasionally): Apple, banana — small amounts
• Protein (important — at least 1–2x weekly): Fish flakes, dried daphnia, freeze-dried peas, dried shrimp. A. pallasii require slightly more protein than many other species, so don't skip this. Browse our accessories collection for the full range of protein supplements.
• Calcium (essential — always available): Cuttlefish bone, crushed limestone, oyster shell, eggshells. Multiple sources distributed throughout — essential for healthy moulting of their large exoskeleton and for prolific breeding.

Feeding approach: Maintain a base of leaf litter and decaying wood, supplementing with vegetables and protein regularly. Remove uneaten fresh foods within 24–48 hours to prevent mould in the moist zone.

Breeding

A. pallasii 'Corfu' are prolific, reliable breeders — one of their genuine strengths. They reproduce all year round under good conditions, making them productive and self-sustaining.

Breeding observations:

• Females carry developing eggs in a marsupium (brood pouch)
• Live mancae emerge as fully-formed miniature versions of adults
• Breeding continues year-round under stable conditions
• Population growth is reliable and steady
• Juveniles develop the marbled patterning as they mature

For breeding success:

• Stable temperatures within the comfort range (22–24°C optimal)
• Proper moisture gradient (60–75% humidity, avoiding extremes)
• Adequate calcium availability throughout
• Regular protein supplementation (they need more than many species)
• Plenty of decaying wood and bark cover
• Larger starter groups provide better genetic diversity and faster establishment

Colony growth: As prolific year-round breeders, A. pallasii build colonies reliably and make excellent self-sustaining bioactive custodians. The combination of hardiness, productivity, and forgiving care makes them genuinely dependable.

Pair With Springtails

Add a thriving springtail culture to any A. pallasii setup. Springtails handle mould and microbial growth at a scale isopods can't manage — particularly important around protein foods and in the moist zone of the moisture gradient. They coexist peacefully with the larger Pallasii and form an essential cleanup partnership for Mediterranean Armadillidium setups.

Who Should Buy Pallasii Corfu Isopods?

Ideal for:

• Beginners wanting a large, attractive, hardy, forgiving species
• Keepers wanting substantial, observable Armadillidium with real presence
• Bioactive setup builders wanting reliable, productive Mediterranean cleanup crew
• Collectors building Greek or Corfu-origin Armadillidium collections
• Anyone wanting prolific, year-round breeding
• Keepers needing a calcium-rich feeder option for insectivorous reptiles
• Display enthusiasts who appreciate naturalistic marbled colouration

Not ideal for:

• High-humidity tropical setups (their Mediterranean needs conflict with constant wetness)
• Bone-dry setups (excessively dry conditions cause moulting problems)
• Keepers who tend to overwater (a balanced gradient is essential)
• Anyone wanting tiny, secretive species (these are large, visible isopods)

Realistic Expectations

Newly arrived A. pallasii may take a couple of weeks to acclimate before showing full colony behaviour. As a hardy species they generally settle quickly — but allow time before expecting peak activity and breeding.

Get the humidity gradient right. The one husbandry point that genuinely matters is the moderate-humidity gradient — both too-wet and too-dry conditions can cause moulting problems. Provide a moist zone and a drier zone, mist the substrate (not the animals), and they'll thrive. This is straightforward once understood.

Marbled colouration varies between individuals. As a genetically-distinct Corfu population, they show a wider colour range than standard A. pallasii, with the marbled brown patterning varying across the colony. Colour and pattern develop with maturity.

Expect prolific, year-round breeding. Unlike some seasonal or slow species, A. pallasii breed reliably throughout the year. Within months of establishment you'll see meaningful colony growth — one of the species' genuine appeals.

They're Mediterranean, not tropical. Despite any older descriptions suggesting otherwise, A. pallasii originate from Corfu in Greece — not France, and certainly not a tropical region. They want moderate Mediterranean humidity with a gradient, not tropical wetness.

Building Your Setup

A complete A. pallasii setup needs basic substrate components, abundant calcium-rich materials, generous leaf litter and decaying wood, and protein supplements (they need more than most). Browse our accessories collection for everything you need — enclosures, ventilation, leaf litter, calcium (cuttlebone, limestone, oyster shell), and protein supplements (daphnia, fish flakes, freeze-dried peas).

Browse the full Armadillidium collection for related Greek and Mediterranean species, or read our blog post on isopod genetics, colours, and morphs for more on Armadillidium variation.