Silverfish

Natural Habitat

Thrives in dark, damp, and humid environments typically found within buildings, such as bathrooms, basements, attics, and kitchens.

Diet & Feeding

Consumes carbohydrates such as sugars and starches. Common food sources include paper, book bindings, wallpaper paste, clothing (cotton, linen, silk), and dry foods like cereal.

Behavior Patterns

Nocturnal and elusive, they move quickly in a fish-like swimming motion. They are primitive wingless insects that undergo simple metamorphosis and can live for several years.

Risks & Benefits

Generally harmless to humans (they do not bite or spread disease) but are considered household pests because they can damage property like books, wallpaper, and clothing. They can trigger allergies in some people.

Identified on: 2/15/2026