Silverfish is a silver or pearl gray-colored very small insect without wings. They may suddenly appear in your house just from nowhere. Kitchens, Attics, Basements, and Bathrooms are the places where you have a higher chance to find them. They like dark damp places and lay eggs in such areas too.
Silverfish is not exactly harmful and do not bite humans but they are expert in destroying clothes, books, cloth furniture, and furnishings. If you have standing water at your home and plenty of food sources for these insects you may expect to have silverfish infestation very soon.
To avoid silverfish invade your house, you need to identify these tiny insects and take timely action.