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Common Woodlouse

HomeLand InvertebratesCommon Woodlouse

Common Woodlouse

Oniscus asellus

Sometimes showing faint yellowish or whitish patches on its back, this woodlouse feeds on decaying organic matter, helping recycle nutrients in the soil. On Lihou, you may find them sheltering under stones or organic matter. Despite their crustacean heritage, these land invertebrates thrive as “recyclers” of plant debris in damp corners.

  • Habitat: Damp, cool places such as under bark, leaf litter, stones, and in compost heaps.
  • When to See: Year-round
  • Length: 10–16 mm