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 like bathrooms, basements, attics, and kitchens; often found near plumbing or under floorboards.

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 highly agile; they are known for their fish-like wiggling motion and ability to run quickly to avoid light or predators.

Risks & Benefits

Generally harmless to humans but considered a pest due to their ability to damage household goods like books, wallpapers, and clothing. They do not transmit diseases.

Identified on: 6/26/2026