Silverfish are a common pest species throughout Australia and prefer to eat items with a high starch content: cotton fabrics, silk, paper, glues, starch in book binding, some synthetic fabrics but they usually avoid woollens.
Silverfish are fairly harmless, but these silvery grey-blue, serpentine creatures aren't pleasant to have around the house. They feed on books, dead skin cells, and other starchy materials and thrive in dark, wet spaces.
You can get rid of silverfish by trapping them, repelling them, killing them with insecticides, or making your home less hospitable.