Besides being a nuisance in your home, silverfish has destructive feeding habits. They can cause extensive problems by damaging valuable books, photographs, paintings, plaster and other household items containing starch or cellulose. This nocturnal and discreet pest which can cause an infestation to go unnoticed for a long period of time until substantial damages have been done. Silverfish can also survive in most environments, but thrive in conditions of high humidity and can often be found in dark, damp areas such as kitchens, bathrooms, basements and attics. In small numbers, silverfish bugs do not really cause a problem but a large infestation can lead to a serious issue for your business.