Silverfish

Damp, cool, and dark locations such as basements, bathrooms, attics, and kitchens; often found near paper and adhesive products.

Degenerate organic matter, specifically carbohydrates such as sugars and starches (found in book bindings, carpet, clothing, coffee, dandruff, glue, paper, and photos).

Nocturnal and fast-moving; known for their "fish-like" swimming motion. They undergo hemimetabolous metamorphosis (egg, nymph, adult) and can live for several years.

Generally harmless to humans as they do not bite or spread disease; however, they are considered household pests because they can cause significant damage to books, wallpaper, and fabric.