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Oniscus asellus - Skirted isopod

Oniscus asellus - Skirted isopod

Flat-backed European sowbug that cannot roll into a ball. Classic temperate bioactive cleanup species.

$9.99

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Types: Live Inverts › Isopods › Other Species

Species: Oniscus asellus
Common Name: Skirted isopod or Smooth Isopod
Type: Isopod

Keeping
Dificulty Level:
Beginner
Purpose: Bioactive, reptile vivarium cleanup
Origin: Europe; introduced widely
Enclosure: Ventilated plastic bin or glass terrarium with 2–4 in (5–10 cm) moist substrate of peat, leaf litter, and cork bark flats. Temperate species — slightly cooler end of range.
Climate: Temperate; 61-68 °F (16-20 °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: 0.39-0.63 in (10-16 mm)
Breed Rate: Fast
Breeding Season: Year-round
Brood Size: 30–100 mancae per brood

Information
Details: Smooth Isopod / European Sowbug
Oniscus asellus

Flat-backed European woodlouse — cannot roll into a ball.
Classic temperate bioactive for reptile vivariums.
Prolific, inexpensive, and field-tested in the hobby.
Tidbit: Cannot roll into a ball; flatter profile than Armadillidium.

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