Silverfish

Scientific Name: Lepisma saccharinum

Order & Family: Order: Zygentoma, Family: Lepismatidae

Size: 13–25 mm (0.5–1.0 inch)

Silverfish

Natural Habitat

Moist, humid, and dark areas such as basements, attics, kitchens, and bathrooms. They are often found in cracks and crevices near food sources.

Diet & Feeding

Starchy substances and polysaccharides, including paper, book bindings, wallpaper paste, cereal, flour, sugar, and dried meat.

Behavior Patterns

Nocturnal and extremely fast-moving. They undergo ametabolic development (no metamorphosis), meaning they look like smaller versions of adults throughout their lives. They are known for their fish-like wiggling motion when running.

Risks & Benefits

They are considered household pests as they can damage books, photos, and clothing. They do not bite humans or transmit diseases, but they can be a nuisance and may trigger allergies in some people due to their shed scales and droppings.

Identified on: 12/28/2025