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, cool environments with high humidity like basements, bathrooms, and kitchens; often found in books, upholstery, and behind wallpaper.

Diet & Feeding

Starch and sugar-rich materials, including paper, book bindings, wallpaper paste, cereal, and natural fibers like silk and cotton.

Behavior Patterns

Nocturnal, fast-moving, and avoids light. They undergo hemimetabolous metamorphosis (gradual change) and are known for their fish-like swimming movements when running.

Risks & Benefits

While they do not bite or spread disease, they are considered pests because they can damage property such as books, clothing, and food stores. They serve as a food source for spiders and centipedes.

Identified on: 1/10/2026