Species guide

Silverfish

Nuisance, not harmful

Lepisma saccharinum

Silverfish
Photo: adam1420 · CC BY

What does Silverfish look like?

A small, wingless, silver-grey insect with a teardrop (carrot) shape, three long bristles at the tail, and a wriggling, fish-like motion. Nocturnal and found in damp, dark spots.

Is Silverfish dangerous?

Harmless to people — it doesn't bite or carry disease. It can damage paper, books, wallpaper paste and starchy fabrics.

What should I do about Silverfish?

Lower humidity, fix leaks, and declutter paper and cardboard where they feed and hide.

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