SKU: 8391509346

Armadillidium Nasatum Dalmatian Isopods

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Description

Armadillidium Nasatum Dalmatian IsopodsArmadillidium nasatum 'Dalmatian' is a charming and distinctive European isopod that combines two genuinely appealing features: the bold spotted "Dalmatian" pattern and the species' famous elongated "nose." A. nasatum is commonly known as the Long nosed or Nosy Pill Woodlouse for its prominent forward projecting snout (a distinctive scutellum), which sets it apart from almost every other Armadillidium. The Dalmatian morph adds scattered dark spots and

Armadillidium nasatum 'Dalmatian' is a charming and distinctive European isopod that combines two genuinely appealing features: the bold spotted "Dalmatian" pattern and the species' famous elongated "nose." A. nasatum is commonly known as the Long-nosed or Nosy Pill Woodlouse for its prominent forward-projecting snout (a distinctive scutellum), which sets it apart from almost every other Armadillidium. The Dalmatian morph adds scattered dark spots and patches — usually black, sometimes brown — over a pale grey-cream base, often with the species' characteristic light banding, creating a genuinely eye-catching, dappled look. For keepers who want a hardy, easy isopod with real character and a distinctive spotted pattern, the nasatum Dalmatian is a delight.

What makes the nasatum Dalmatian particularly worth keeping is the combination of that distinctive appearance with genuinely easy, forgiving, beginner-friendly care. They're hardy, prolific, and quick to establish — and notably cool-tolerant, even suitable for outdoor or unheated setups, which makes them especially well-suited to UK keeping. They're true pill bugs, conglobating into a tight ball when disturbed, and share the reliable, accessible husbandry that makes Armadillidium the most beginner-friendly isopods in the hobby. They sit alongside easy, colourful Armadillidium like the Zebra, Magic Potion, and T+ Albino.

They're a European species — found across Western and Southern Europe, and well-naturalised in Britain — which makes them genuinely hardy and adaptable in UK conditions, tolerating cooler temperatures that many tropical isopods can't. As a temperate species they prefer moderate humidity with a gradient and good ventilation, and they're notably forgiving of a wide range of conditions.

Quick Care Summary

  • Scientific Name: Armadillidium nasatum 'Dalmatian'
  • Common Names: Nosy Pill Woodlouse, Long-nosed Pill Woodlouse, Dalmatian Nasatum
  • Family: Armadillidiidae
  • Origin: Western and Southern Europe (naturalised in Britain)
  • Adult Size: Approximately 12–16 mm — medium-sized Armadillidium
  • Lifespan: 2–3 years typical
  • Difficulty: Easy — hardy, prolific, beginner-friendly
  • Temperature: 15–28°C (cool-tolerant; suitable for unheated/outdoor setups)
  • Humidity: Moderate (45–80% tolerated) with a moisture gradient — adaptable
  • Ventilation: Medium — good airflow important
  • Conglobation: Yes — rolls into a tight defensive ball
  • Behaviour: Active anytime, mostly night-active; calm and peaceful
  • Breeding: Prolific and easy — quick to establish a self-sustaining colony

What Makes Nasatum Dalmatian Isopods Special

Several factors make the nasatum Dalmatian a genuinely appealing isopod:

The distinctive "nose." The standout structural feature of A. nasatum is its prominent, forward-projecting snout (scutellum) — the reason it's called the Long-nosed or Nosy Pill Woodlouse. It's a genuinely unusual and characterful feature that distinguishes it from virtually every other Armadillidium, and a real talking point.

The bold Dalmatian spotting. The Dalmatian morph scatters dark spots and patches — usually black, occasionally brown — over a pale grey-cream base, often with the species' characteristic light banding. The dappled pattern varies between individuals, giving a colony genuine visual interest and that eye-catching "Dalmatian" look.

Genuinely easy and prolific. They're hardy, adaptable, and quick to establish, breeding readily to build a self-sustaining colony. This makes them ideal for beginners, satisfying for keepers who enjoy watching colony growth, and dependable as a bioactive cleanup crew.

Cool-tolerant and UK-friendly. As a European species naturalised in Britain, the nasatum Dalmatian tolerates cooler temperatures far better than tropical isopods — even suitable for outdoor or unheated enclosures. This makes them genuinely easy and reliable to keep in UK homes without supplemental heating.

Adaptable and forgiving. They tolerate a notably wide range of humidity (45–80%) and conditions, making them one of the more forgiving isopods for newcomers still finding their feet with husbandry.

Conglobation. Like all Armadillidium, they roll into a tight defensive ball when disturbed — the classic roly-poly behaviour, here on a characterful long-nosed, spotted isopod.

How Nasatum Dalmatian Compares to Other Armadillidium

If you're choosing between easy, distinctive Armadillidium, here's how the nasatum Dalmatian fits in:

  • vs Zebra (A. maculatum): Both are hardy, beginner-friendly patterned Armadillidium (and confusingly, Zebras are sometimes also called "Dalmatian"). Zebras show bold black-and-white stripes; the nasatum Dalmatian shows scattered spots plus its distinctive nose. Different species, different patterns — both easy and rewarding.
  • vs Magic Potion (A. vulgare): Both are easy, colourful Armadillidium morphs. Magic Potion shows pale semi-transparent tones with yellow markings; the nasatum Dalmatian is spotted with its long nose. Both beginner-friendly — choose based on whether the pale potion look or the spotted long-nosed look appeals.
  • vs T+ Albino (A. vulgare): Both are easy, hardy Armadillidium morphs. The T+ Albino glows warm orange-gold; the nasatum Dalmatian is dark-spotted on pale with its distinctive nose. Different looks from the easy Armadillidium range.
  • vs Yellow Spanish Granulatum (A. granulatum): Granulatum are larger, bumpy, and yellow-spotted; the nasatum Dalmatian is smooth, black-spotted, and long-nosed. Both hardy Mediterranean/European species with similar care — different textures and patterns.

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

Setting Up the Enclosure

A 10–15 litre plastic container or terrarium suits a starter colony — these are sociable isopods that don't need vast space, and they grow well in groups. Plastic tubs with clip-lock lids hold appropriate humidity while allowing the ventilation Armadillidium need. The 3L Braplast tub works for smaller starter colonies, with larger housing as the prolific population grows.

For ventilation, drill holes on opposite sides of the container for cross-ventilation. Medium ventilation suits them — enough airflow to prevent stagnant, overly-humid conditions while maintaining the moist zone of a gradient. Provide plenty of hiding spots with cork bark, leaf litter, and bark pieces. Keep the enclosure out of direct sunlight. As a cool-tolerant species, they don't need a warm spot — a normal room (or even a cool one) suits them. Browse our accessories collection for appropriate enclosures, vents, and other essentials.

Substrate

Build a straightforward substrate appropriate for this hardy European species:

  • Organic topsoil base (pesticide-free) as the foundation
  • Sphagnum peat moss mixed throughout for moisture retention
  • Crushed limestone, oyster shell, or eggshells distributed throughout for calcium
  • Flake soil mixed in for added nutrition
  • Pieces of rotting white wood incorporated throughout (genuinely favoured)
  • Forest moss for humidity and grazing

Substrate depth: 5–8 cm for burrowing — they appreciate enough depth for moulting and security.

Top layer: Generous hardwood leaf litter — magnolia leaves and oak leaves work particularly well for long-lasting cover and food. Add cork bark, rotting white wood, and forest moss, plus a sphagnum moss patch on one side to create the moist zone of the gradient (around ⅓ of the enclosure moist).

Humidity and Temperature

Maintain a moisture gradient — keep around ⅓ of the enclosure moist with forest moss, rotting white wood, and damp leaf litter, while the rest stays drier. A. nasatum are notably adaptable, tolerating a wide humidity range (45–80%), so a gradient lets the colony self-regulate comfortably. Good ventilation prevents stagnation.

As one PostPods customer noted about following the website's care guidance, getting moisture right is the key to keeping isopods successfully — even with a forgiving species, a proper gradient beats a uniformly wet enclosure. When in doubt, provide the gradient and let them choose.

Temperature should be 15–28°C — and notably, the nasatum Dalmatian is cool-tolerant, comfortable at cooler room temperatures and even suitable for outdoor or unheated setups. This makes it genuinely easy to keep in most UK homes without supplemental heating. It tolerates warmth within range too, but avoid sustained extremes.

Diet

Nasatum Dalmatian isopods are unfussy detritivores that enjoy a slightly higher-protein diet than some:

  • Primary diet (always available): Hardwood leaf litter (oak, beech), decaying rotting white wood, forest moss, lichen, dried plant matter
  • Vegetables (1–2x weekly): Carrot, courgette, sweet potato, greens. Replace within 24–48 hours.
  • Fruit (occasionally): Apple, banana — small amounts
  • Protein (at least 2x weekly): Fish flakes, dried shrimp, dried daphnia. They genuinely enjoy a slightly higher-protein diet, which supports their prolific breeding. They'll also consume shed invertebrate and reptile moults. Browse our accessories collection for the full range of protein supplements.
  • Calcium (essential — always available): Cuttlefish bone, crushed limestone, oyster shell, eggshells. Essential for healthy moulting — provide multiple sources distributed throughout.

Feeding approach: Maintain a base of leaf litter and rotting white wood, supplementing with vegetables, occasional fruit, regular protein, and a constant calcium source. Remove uneaten fresh foods within 24–48 hours to prevent mould.

Breeding

Nasatum Dalmatian isopods are prolific and easy breeders, quick to establish a self-sustaining colony — one of their genuine appeals.

Breeding basics:

  • They reproduce sexually — males and females mate, and females carry fertilised eggs in a marsupium (brood pouch)
  • Live mancae emerge as fully-formed miniature versions of adults
  • They establish quickly and build colonies readily
  • The Dalmatian spotting develops as juveniles mature; a pure colony breeds the morph reliably (you may occasionally see brown-spotted individuals alongside the black-spotted)

For breeding success:

  • Stable temperatures within range (18–24°C is ideal, though they tolerate cooler)
  • A proper moisture gradient (⅓ moist)
  • Adequate calcium for breeding females
  • Regular protein supplementation (they breed especially well with good protein)
  • Plenty of cover and rotting white wood

As a prolific, easy breeder, the nasatum Dalmatian rewards keepers with quick, steady colony growth — genuinely satisfying, and forgiving of the occasional beginner mistake.

Pair With Springtails

Add a thriving springtail culture to any nasatum Dalmatian setup. Springtails handle mould and microbial growth at a scale isopods can't manage — particularly useful around protein foods and in the moist zone of the moisture gradient. They coexist peacefully with the nasatum Dalmatian and form a helpful cleanup partnership.

Who Should Buy Nasatum Dalmatian Isopods?

Ideal for:

  • Beginners wanting an easy, hardy, characterful first isopod
  • Keepers who love the distinctive "nose" and bold spotted pattern
  • Cooler homes, unheated rooms, or outdoor setups (they're cool-tolerant)
  • Bioactive setup builders wanting a hardy, prolific cleanup crew
  • Collectors building an easy or distinctive Armadillidium collection
  • Anyone wanting a reliable, fast-establishing self-sustaining colony

Not ideal for:

  • Keepers wanting large, bold display isopods (these are medium-sized)
  • High-humidity tropical setups (they prefer a moderate gradient)
  • Heavily-planted bioactive setups where plant-nibbling is a concern (Armadillidium enjoy plants)
  • Anyone wanting non-rolling fast surface species (these are rolling pill bugs)

Realistic Expectations

The nose and spots are the appeal. Set expectations toward the distinctive long-nosed profile and the dappled Dalmatian spotting rather than bright colour — that characterful combination is precisely what makes them special. Spotting varies between individuals and develops as they mature.

They're genuinely easy and forgiving. As a hardy, adaptable European species, the nasatum Dalmatian tolerates a wide range of conditions and won't punish minor husbandry mistakes — one of the best characterful first isopods.

They're cool-tolerant. Unlike warmth-loving tropical species, they're happy at cooler room temperatures and even in unheated or outdoor setups — genuinely well-suited to UK homes.

They can't be kept bone dry, but tolerate a wide range. While adaptable across 45–80% humidity, they still need a moist zone in their gradient — provide the damp retreat and good ventilation.

Expect prolific, quick breeding. As an easy, fast-establishing breeder, colonies build steadily and reliably — genuinely satisfying, and quick to become a self-sustaining cleanup crew or display colony.

Building Your Setup

A complete nasatum Dalmatian setup needs basic substrate components, abundant calcium-rich materials, generous leaf litter and bark, rotting white wood, and regular protein. Browse our accessories collection for everything you need — enclosures, ventilation, leaf litter, calcium (cuttlebone, limestone, oyster shell), and protein supplements.

Browse the full Armadillidium collection for more species and morphs, or read our blog post on caring for Armadillidium isopods for detailed guidance on this hardy, rewarding genus.

Shipping Notes
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Unless you have a very strange out of proportioned body, this will probably work out great for you! Even if you are a little heavy on bottom or up top---you can probably upsize and get a good fit. I was amazed after purchasing two of these suits, one in black with a peak lapel for my husband, and a grey shawl collar for my son---they are plenty long in the pants and my boys are a little above average height at 6' and 6' 1". The material is great and they are absolutely fine and include a bow tie and pocket square as well. Unless you are James Bond and are gonna wear this suit on the regular, I think it will be perfect for most men for several occasions, weddings, prom, or any super special occasion or event where you need to look great. I will say that even my son at 6' 1" needed the pants shortened, and I am glad because I feared they would be too short. For some reason, my husband's were perfect on the pant length. I am glad that I bought these and took the chance. I paired them with patent black shoes that I also found on Amazon, and my boys looked fantastic! For reference my husband is a 38 waist and 32 length pant and a 46 reg jacket, muscular build and I ordered him the XL slim fit, when he normally wears a L. My son is a 32 waist and 33 length pant and 38 reg jacket, with a very slim muscular build. I ordered him the slim fit Medium, and he typically wears a M. These sleeves are supposed to be a little bit "short" so that the cuff of your shirt is clearly visible, fyi. Both fit and no returns, but my son's vest was a little large on him. My son is super fit, lean, and my husband has a (gorgeous) 😉 dad bod with a dad belly but not a pot belly. His vest was perfect. The vests are adjustable in the back. Be aware that the pants do not have the satin stripe down the side if that is what you are looking for. My boys have tuxedos with the striped pants as well and they were from a department store and are wonderful, BUT out of the bag? for this price? and one minor adjustment on the pants?... I am still amazed these worked out so well! I almost feel sorry for the suckers who pay too much, because you don't need to! Lastly, they were both folded compactly and nicely in packages that had not been previously opened. They needed a minor steam but were not incredibly wrinkled. They shipped quickly and were slim fit but not a SUPER ridiculous slim fit. The fabric weight is on the thinner side on the pants, but still all a go and wins for us. Who knew? Tuxedos from Amazon! Yes!
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My husband wore this 3-piece suit to a Mardi Gras ball and it was absolutely perfect. The fit was true to size, and the vest really elevated the overall look. The material felt high quality for the price—comfortable, breathable, and not stiff at all, even after hours of wearing it. He received multiple compliments throughout the night, and the suit photographed beautifully under ballroom lighting. It arrived well packaged and needed minimal steaming before wearing. Overall, we were very impressed with the style, quality, and value. We would definitely purchase again for future formal events.
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