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Silverfish are generally harmless to humans but are undesirable in the home as a result of their physical appearance, especially if they are active in large numbers.

Silverfish are about a half inch long with bristles at their rear of their bodies and two antennae on their heads. They get their name due to the shiny silver scales that appear on their bodies. It is common to find silverfish in the following locations:

  • Roof voids
  • Basements
  • Bathrooms
  • Cracks in walls

Silverfish particularly like damp locations that are cool, so it is common to find them around sinks, and even in drains themselves.

There are a number of ways that silverfish get into the household environment. Including on old books or clothes, furniture, and food.

Preventing and Treating Silverfish Infestation

Silverfish infestations can be prevented using the following steps:

  • Frequent vacuuming – silverfish eggs can be removed with regular vacuuming, even if you do not know that they are present.  Vacuuming also helps you pick up any crumbs and food debris that these insects feed off of.
  • Reduce standing water in the home – leaky pipes and faucets can create standing water that is tempting to silverfish. By fixing these issues, the environment becomes less ideal for them to live.
  • Clean behind large appliances – under and behind small appliances are great hiding spots for silverfish. Ensure that you clean around them regularly in order to eliminate any populations that are beginning to form.

In addition to taking the above steps, you can use a pest control specialist to set traps or use products designed to eliminate the population of silverfish.