Definition & Meaning of "silverfish"

What is a "silverfish"?

A silverfish is a small wingless insect characterized by its silvery-gray color and slender, elongated body. It is primarily nocturnal and tends to dwell in dark, damp environments. Silverfish are known for their preference for consuming starchy materials like paper, books, clothing, and wallpaper glue. They are considered household pests due to their potential damage to these items. Despite their name, silverfish are not fish but belong to the insect order Thysanura.