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Hey there,

Have you ever turned on the bathroom light at night and seen a little silver thing teleport into the baseboard?

Not a roach. Not a centipede. Not your imagination.

That’s a silverfish. One of the oldest “housemates” in the book (and yes, they literally like books).

Silverfish are nocturnal, fast, and deeply committed to humid real estate. They don’t bite. They don’t sting. But they do nibble.

What they’re eating (and why you should care)
Silverfish love carbohydrates: starches and sugars. They can feed on:

  • paper + book bindings (glues, pastes)

  • wallpaper paste

  • fabrics like linen/silk

  • pantry crumbs + unopened packages

  • even dead insects ()

And here’s the wild fact: silverfish (and their cousins, firebrats) have enzymes that help digest cellulose. So to them, your cardboard storage bin isn’t storage. It’s dinner.

Why they show up now

Silverfish thrive in:

  • bathrooms

  • basements

  • laundry rooms

  • kitchens

  • anywhere damp + dark + cluttered ()

They’re not a “dirty house” bug. They’re a “humidity and hiding spots” bug.

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Bug Wisdom

  • The things that thrive in the dark are usually fed by what we avoid looking at.

  • Moisture is comfort… until it becomes an invitation.

  • If your environment is sticky, your nervous system usually is too.

A lot of people normalize living in “low-grade damp.” But chronic damp environments often track with chronic “low-grade symptoms” too—stuffy noses, headaches, restless sleep. Not because silverfish are attacking you… but because air quality and moisture quietly run the show.

If you’ve been seeing silverfish and noticing peeling wallpaper, musty smells, or a bathroom that never quite dries, your house is giving you a clue. Are you listening?

—Gabi & Bea

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