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

Found in dark, damp, and cool environments such as basements, attics, kitchens, and bathrooms. They often hide in cracks and crevices.

Diet & Feeding

Consumes carbohydrates, specifically sugars and starches. Common food sources include book bindings, adhesive, paper, photos, and some synthetic fabrics.

Behavior Patterns

Nocturnal and move with a characteristic quick, fish-like wiggling motion. They have a long lifespan (2-8 years) and can survive for weeks without food or water.

Risks & Benefits

They do not bite humans or transmit diseases but are considered household pests because they can damage books, wallpaper, and clothing. They also serve as a food source for other predatory insects.

Identified on: 1/3/2026