Can this isopod roll into a ball?

No — unlike many isopods, the Spatulatus Isopod cannot curl into a ball for defense. When startled, it retreats into crevices or hiding spots instead, so it's important to provide plenty of shelter in the enclosure.

Is this species suitable for beginners?

It's generally considered suited to intermediate keepers rather than complete beginners. As long as you can maintain a dry, well-ventilated setup, it's manageable even for those with limited experience.

Can multiple individuals be kept together?

Yes, thanks to its calm temperament, the Spatulatus Isopod does well in group housing within the same enclosure. Keeping several together lets you observe their natural colony behavior.

How large does it grow?

Adults reach about 15–20mm in length. Its flat, broad body shape means it stays manageable even in a compact enclosure.

Is this species subject to CITES?

The Spatulatus Isopod is not subject to CITES.

Spatulatus Isopod

The Spatulatus Isopod is a flat, broad-bodied woodlouse native to the dry rocky terrain of southern Europe. Its slate-gray to pale blue-gray body is marked with a dark dorsal stripe and lighter edging, giving it a subtle but striking pattern. Unlike many isopods, it cannot roll into a ball for defense, so it relies on hiding rather than curling up, and it thrives in dry, well-ventilated setups. Considered a good match for intermediate keepers, this isopod rewards patient observers with its calm demeanor and understated movement, making it a favorite among invertebrate enthusiasts.

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Spatulatus Isopod key facts

Care level: Intermediate
Lifespan: 2-3 years
Size: 15-20mm
Temperature: 20〜26℃
Diet: Leaf litter and rotten wood as staples, with cuttlebone for calcium and fish flake or dried shrimp for protein
Temperature & Humidity: 20-26C. Keep the enclosure mostly dry with one damp corner to form a gradient, and ventilate strongly.
Enclosure: Layer bark and flat stones so there are tight gaps to slide under. It climbs, so an angled branch helps. Mix leaf litter and rotten wood into the substrate.
Diet & Feeding: Keep leaf litter and rotten wood available, offer fish flake or dried shrimp regularly, and never let the cuttlebone run out.
Temperament & Venom: Harmless to people. Fast-moving but not nervous, active day and night, and kept in groups.
Notes: It cannot conglobate, so cover matters. Short rations of protein or calcium bring on cannibalism, and it does badly in damp, stagnant air.

TraitsWoodlousePorcellioMediterraneanDry setup

About Spatulatus Isopod

Spatulatus Isopod: a flat, wide-bodied species from southern Europe's dry rocky habitats, slate-gray with a dark dorsal stripe, unable to roll into a ball. Suited to intermediate keepers.

7 things to know before welcoming a Spatulatus Isopod

1Prefers a Dry Habitat
The Spatulatus Isopod comes from the dry rocky terrain of southern Europe and doesn't do well in excess moisture. Keep the substrate on the dry side and the enclosure well ventilated. Too much humidity can lead to health problems.
2Cannot Roll Into a Ball
Unlike many isopods, the Spatulatus cannot curl into a ball for defense when threatened. Instead, it relies on gaps and crevices to hide, and it tends to dart quickly into shelter when startled.
3Provide Plenty of Hiding Spots
Since it can't roll up for protection, having places to hide — under flat stones, bark, or driftwood — gives this isopod peace of mind. Too few hiding spots can cause stress, so include several throughout the enclosure. Its flat body lets it squeeze into narrow crevices.
4Keep the Enclosure Ventilated
As a species adapted to dry, rocky habitats, this isopod doesn't thrive in a stuffy, sealed enclosure. Use mesh panels or vents to prevent humidity buildup, aiming for a setup where the surface stays dry while a bit of moisture remains deeper in the substrate.
5Calm and Colony-Friendly
Like most isopods, the Spatulatus is docile and rarely shows aggression toward other individuals. It can be kept in groups within the same enclosure, and watching a colony move together is part of the appeal.
6Handle Molting Gently
As a crustacean, this isopod molts repeatedly as it grows. Right after molting its exoskeleton is soft and vulnerable, so avoid disturbing it during this period.
7Set Up the Enclosure First
Prepare dry substrate and hiding spots before your isopod arrives so it can settle in right away. Adults reach only about 15–20mm, so a large enclosure isn't necessary. Having everything ready in advance reduces stress from the move.

Frequently asked questions about Spatulatus Isopod

Q.Can this isopod roll into a ball?: A.No — unlike many isopods, the Spatulatus Isopod cannot curl into a ball for defense. When startled, it retreats into crevices or hiding spots instead, so it's important to provide plenty of shelter in the enclosure.
Q.Is this species suitable for beginners?: A.It's generally considered suited to intermediate keepers rather than complete beginners. As long as you can maintain a dry, well-ventilated setup, it's manageable even for those with limited experience.
Q.Can multiple individuals be kept together?: A.Yes, thanks to its calm temperament, the Spatulatus Isopod does well in group housing within the same enclosure. Keeping several together lets you observe their natural colony behavior.
Q.How large does it grow?: A.Adults reach about 15–20mm in length. Its flat, broad body shape means it stays manageable even in a compact enclosure.
Q.Is this species subject to CITES?: A.The Spatulatus Isopod is not subject to CITES.