Silverfish commonly inhabit homes in dark sheltered areas. Silverfish grow up to 20 mm in length and are a silvery-grey in colour. Native species tend to feed on vegetable matter and are active during the night. Silverfish that are considered as pest species are known to feed in homes mainly on paper and fabric products, though some species have a wider diet and are omnivorous. Most species found in homes live in dark, undisturbed areas such as in cupboards, wardrobes and bookshelves.

Life Cycle 
Most silverfish reproduce sexually with the male depositing a sperm packet on the substrate, which is picked up by the female. Depending on the species the female may lay eggs only when she moults or she may lay eggs singularly throughout her whole life. The young develop over a series of moults and may take up to 3 months to reach maturity. Silverfish will continue to moult throughout their lives and individuals may live for up to 4 years. The nymphs of silverfish resemble adults but are generally smaller in size.

Feeding
Most native species of silverfish are nocturnal herbivores feeding on a variety of vegetable matter. The best-known domestic species of silverfish that are common in most houses feed predominantly on paper products and fabric found around the home. Some species are omnivores.