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 places with high humidity, such as basements, bathrooms, kitchens, and attics.

Diet & Feeding

Polysaccharides, especially starches and dextrin found in adhesives, paper, book bindings, wallpaper, and clothing. They also consume sugar, flour, and organic debris.

Behavior Patterns

Nocturnal and fast-moving insects that avoid light. They undergo simple metamorphosis (egg, nymph, adult) and are known for their fish-like wiggling motion when running.

Risks & Benefits

They do not bite or transmit diseases to humans but are considered household pests as they can damage books, photos, and textiles. In ecosystems, they provide a benefit by breaking down organic matter.

Identified on: 4/2/2026