Silverfish

Scientific Name: Lepisma saccharina

Order & Family: Zygentoma / Lepismatidae

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

Silverfish

Natural Habitat

Typically found in moist, humid areas of homes such as bathrooms, basements, and kitchens, often hiding in cracks, crevices, or under objects.

Diet & Feeding

They feed on carbohydrates like sugars and starches. This includes paper, glue, book bindings, photos, sugar, hair, and dandruff.

Behavior Patterns

Silverfish are nocturnal and move quickly. They are known for their fish-like wriggling motion. They do not fly but run rapidly to hide from light.

Risks & Benefits

They do not bite or sting humans and carry no known diseases, so they are not a direct health risk. However, they are considered pests because they can damage property like books, wallpaper, carpet, and clothing.

Identified on: 2/23/2026