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, dark, and cool environments such as basements, bathrooms, kitchens, and attics. They are frequently found in areas with high humidity.

Diet & Feeding

Consumes matter containing polysaccharides such as starches and dextrin in adhesives. This includes paper, book bindings, wallpaper paste, cereal, and natural fibers like silk or cotton.

Behavior Patterns

Nocturnal and highly mobile insects characterized by a 'fish-like' swimming movement. They have a long lifespan (2-8 years) and undergo ametabolous metamorphosis (gradual development).

Risks & Benefits

They do not bite humans or spread disease, but they are considered a nuisance pest because they can damage personal property like books, photos, and clothing. They serve as a food source for other beneficial predatory insects like spiders.

Identified on: 2/6/2026