Silverfish belong to the order of Thysanura. They are commonly known as silverfish, fire bug, sow other names. We group here several species such as: Lepisma Saccharina, silvery gray. Others are brown or dark gray.
They are omnivorous and prefer starch and cellulose. They are often found in our homes, at temperatures from 21-29 º C,with humidity from 70-100%. They are based on small cracks (for example at the base of toilets), kitchens or inside books.
Normally, it is not a very numerous plague in number, appearing two to three specimens from time to time, dispersely but regularly.