Silverfish (Nymph)

Scientific Name: Lepisma saccharinum

Order & Family: Order: Zygentoma; Family: Lepismatidae

Size: Nymphs are very small, while adults range from 12 mm to 19 mm in length.

Silverfish (Nymph)

Natural Habitat

Humid, dark environments such as basements, bathrooms, and kitchens; often found near starch sources.

Diet & Feeding

Scavengers that consume carbohydrates, particularly starches and dextrins in glue, book bindings, plaster, and photos.

Behavior Patterns

Nocturnal and highly agile; they undergo ametabolous development where nymphs look like miniature versions of adults.

Risks & Benefits

A nuisance pest that can damage household goods like books and wallpaper; they pose no direct health risk to humans.

Identified on: 1/12/2026