The answer to 'what do silverfish look like' is that silverfish are small, wingless insects with distinctive elongated, flattened bodies and three long appendages at the end of their abdomens. They are typically silver or gray in color, hence their name, and can grow up to 1 inch long. Silverfish have a distinctive teardrop-shaped body and move in a quick, darting motion. They have two long antennae on their heads and three long, thin appendages that resemble tails at the end of their bodies.
Silverfish are nocturnal and prefer damp, dark environments like basements, bathrooms, and kitchens. They feed on carbohydrates, proteins, and starches, and can be found in cereals, books, wallpaper, and other household items. Silverfish are generally harmless to humans, but their presence can indicate a larger infestation issue that may require professional pest control services.