Wood Grain

Wood grain isopods are tiny terrestrial crustaceans best known by their more casual names—woodlice, pill bugs, or roly-polies. Despite looking like insects, they’re actually closer relatives of crabs and shrimp.

They have oval, flattened bodies made up of overlapping armored plates that resemble the texture of wood grain—hence the name. Their coloring usually ranges from gray to brown, sometimes with subtle mottling that helps them blend into soil, bark, and decaying leaves. Most species grow to about ¼–¾ of an inch long.

Wood grain isopods thrive in cool, damp environments. You’ll find them under logs, stones, leaf litter, or rotting wood, where moisture is high and sunlight is low. They breathe through specialized gill-like structures, which is why they dry out quickly if exposed.

 

Care Info

• Create a moisture gradient

  • One side damp

  • One side drier

• Mist lightly as needed—don’t flood it

• If the enclosure smells sour or swampy, it’s too wet

Wood-grain Porcellio like it slightly drier than dwarf species, but still humid overall.

 

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