Silverfish usually measure between ½ to ¾ of an inch in length and their body is teardrop in shape with their entire body is covered in silver scales. Silverfish require humidity to survive since they can live up to a year without food.
Silverfish are elusive and can be very difficult to deal with on your own. Some simple steps that one can take in an effort to prevent these pests include routine vacuuming, cleaning bathroom/kitchen sinks frequently, adding a dehumidifier may help as well.
If you have tried this and still have problems with silverfish, contact Houseman Pest Services.