Silverfish

Scientific Name: Lepisma saccharinum

Order & Family: Order: Zygentoma; Family: Lepismatidae

Size: 12–19 mm (0.5–0.75 inches) in length

Silverfish

Natural Habitat

Damp, dark, and cool environments such as basements, attics, kitchens, and bathrooms; they are commonly found in proximity to paper, adhesives, and textiles.

Diet & Feeding

Consumes matter containing polysaccharides, such as starches and dextrin in adhesives. This includes book bindings, photos, sugar, hair, dandruff, and organic debris.

Behavior Patterns

Nocturnal and fast-moving pests that avoid light. They undergo a simple metamorphosis (egg, nymph, adult) and are known for their longevity, often living 2 to 8 years.

Risks & Benefits

They do not bite or transmit diseases to humans but are considered a household pest. They can cause significant damage to books, wallpaper, and clothing. In ecosystems, they contribute to the decomposition of organic matter.

Identified on: 1/4/2026