Silverfish prefer to spend their days in quiet, dark conditions. Outside, they prefer the undersides of rocks or the moist, rotting environment of poorly stacked firewood piles. Leaf litter, decomposing plants, and thick vegetation can also provide a welcome environment with plenty of shade and moisture.
Inside, silverfish prefer to infest the darkest and dampest parts of your home, Kitchens, bathrooms, and laundry rooms are some of the most suspect areas, although showers, bathtubs, and attics can also house high populations. Be sure to investigate your basement or crawl space for the signs and symptoms of a silverfish infestation.