Silverfish

Scientific Name: Lepisma saccharinum

Order & Family: Order Zygentoma, Family Lepismatidae

Size: 13–25 mm (0.5–1 inch) in length.

Silverfish

Natural Habitat

Damp, dark, and cool areas with high humidity, such as basements, attics, bathrooms, and kitchens.

Diet & Feeding

Starchy substances and items containing polysaccharides including book bindings, wallpaper paste, paper, carpet, clothing, and dead insects.

Behavior Patterns

Nocturnal and move with a characteristic fish-like swimming motion. They undergo ametabolous metamorphosis (no major larval stage) and can live for several years.

Risks & Benefits

They do not bite or transmit disease; however, they are considered pests due to their potential to damage household items like books, photos, and textiles. In ecosystems, they act as decomposers.

Identified on: 3/24/2026