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Shiro Utsuri Isopod

Shiro Utsuri Isopod

Shiro Utsuri Isopods are an undescribed species from Taiwan, prized for their striking look: a translucent white body marked with bold black spots. No two individuals share quite the same pattern, since the amount of spotting varies widely from one isopod to the next, giving the species real visual variety to appreciate. Adults stay compact at around 15-20mm, and unlike many isopods that stay hidden, they tend to stay out in the open, making them easy to observe. Even when rolled into a ball, their pattern remains visible, so they stay interesting to watch at every moment. They're hardy and settle into a new enclosure quickly. Classed as intermediate-level, they reward keepers who have the basics down with a stable isopod to keep.

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Shiro Utsuri Isopod key facts

Care level
Intermediate
Lifespan
2-3 years
Size
15-20mm
Temperature
22〜26℃
Diet
Leaf litter and decaying wood as the base, with a little carrot or courgette and some protein each week, plus permanent cuttlebone or crushed shell
Temperature & Humidity
22-26C. Being subtropical it may need supplementary heat in winter. Dampen one end well and leave the far end drier.
Enclosure
5-8cm of living substrate: flake soil topped with leaf litter and decaying wood, with cork bark for cover. Keep cross-ventilation running.
Diet & Feeding
Keep leaf litter and rotten wood available and add a little carrot or courgette and some protein weekly. Cuttlebone or crushed shell stays in permanently.
Temperament & Venom
Harmless and placid, conglobating when startled. Kept in groups and happy alongside springtails and other isopods.
Notes
It likes humidity but must never be waterlogged. Note that sellers list it under either Nesodillo or Cubaris.
TraitsPill isopodUndescribed speciesTaiwanBlack and white

About Shiro Utsuri Isopod

Shiro Utsuri Isopod guide: an undescribed Taiwanese species with translucent white bodies marked in variable black spots, growing to 15-20mm as adults. Hardy and quick to settle in, here are this intermediate-level isopod's traits, care points, and FAQs.

7 things to know before welcoming a Shiro Utsuri Isopod

  1. 1Pattern varies by individual

    The amount of black spotting on the white base varies widely from one isopod to another, so no two look exactly alike. Part of the fun is comparing heavily spotted individuals against more lightly marked ones.

  2. 2Pattern shows even when rolled up

    When startled, they roll into a ball like other isopods, but the black spotting stays clearly visible even in that position. That means you don't lose sight of their pattern even when they're being cautious.

  3. 3Tends to stay out in the open

    Unlike many isopod species that hide under substrate or bark, Shiro Utsuri Isopods tend to stay visible. That makes day-to-day observation easier than with more secretive species.

  4. 4Rated intermediate difficulty

    Basic humidity and ventilation care is similar to other isopods, but keeping their coloring and pattern stable calls for more experience-based environment management. They suit keepers who already have some isopod-keeping experience.

  5. 5Adults stay compact at 15-20mm

    Even as adults, they stay a compact 15-20mm in length. That size makes it practical to keep several together in a smaller enclosure.

  6. 6Hardy and settles in quickly

    They tend to adapt to a new enclosure relatively quickly and are generally hardy. That said, sudden drying out or excess moisture should still be avoided.

  7. 7Lifespan is around 2-3 years

    Their typical lifespan is around 2 to 3 years. That gives you time to enjoy watching their pattern and growth develop over the long term.

Frequently asked questions about Shiro Utsuri Isopod

Q.What kind of isopod is the Shiro Utsuri?
A.It's an undescribed species from Taiwan, known for its translucent white body marked with black spots. How much spotting each individual has varies a lot, so there's plenty of pattern variation to enjoy.
Q.Is this isopod suitable for beginners?
A.It's rated as intermediate-level. If you already have some basic isopod-keeping experience, it's manageable thanks to being hardy and quick to settle in.
Q.How big do they get?
A.Adults stay a compact 15-20mm in length.
Q.What's their lifespan?
A.Their typical lifespan is around 2 to 3 years.
Q.Are there any legal restrictions?
A.They are not subject to CITES.

Learn more about Shiro Utsuri Isopod in the encyclopedia

View Shiro Utsuri Isopod encyclopedia entry →

Care difficulty, lifespan, size and diet — all basics covered.

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