Silverfish

Scientific Name: Lepisma saccharinum

Order & Family: Order: Zygentoma; Family: Lepismatidae

Size: 12 to 19 mm (0.5 to 0.75 inches)

Silverfish

Natural Habitat

Dark, damp environments with high humidity like attics, basements, bathrooms, and under sinks

Diet & Feeding

Carbohydrates such as sugar and starches found in paper, glue, clothing, oat, flour, and dead insects

Behavior Patterns

Nocturnal, fast-moving, wingless insects that move in a fish-like wiggling motion

Risks & Benefits

They do not bite humans or carry diseases but are household pests that can damage books, wallpaper, fabrics, and dry food goods

Identified on: 2/21/2026