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KNOW YOUR PESTS / KNOWLEDGE CENTER

SILVERFISH

Silverfish are small, wingless insects with a tapered body. They are found in damp, dark and sheltered areas. To reduce their numbers, first check sources of moisture and hiding places.

Last updated: 7 October 2026

VIEW SOLUTIONS
Silverfish: scientific editorial illustration; natural anatomical study
SILVERFISH
Stylised anatomical study
01

IDENTIFYING SILVERFISH

How to identify it
Slender body with silvery scales; two long antennae and three tail appendages.
Where it is found
Bathrooms, under sinks, basements and sheltered cracks.
Behaviour
Active at night; hides during the day.
Solution type
Moisture control and surface treatment suited to the target pest.

WHY IT MATTERS FOR YOUR HEALTH

Silverfish do not bite people and are not known to be significant disease carriers. The main problem is that, under suitable conditions, they can damage paper products and some dry foods; seeing a single insect does not indicate a serious health hazard.

Their wingless body, long antennae and three slender tail appendages are distinctive features. They move quickly, so you may see them only briefly. Finding one in a bathroom is not enough for a definite identification.

They can establish themselves where moisture and hiding places are available. Glue in book bindings, starchy materials and some dry foods may provide food. Surface damage or irregular marks on paper should also be checked.

Why does moisture matter?

Leaks, condensation and inadequate ventilation can create a suitable habitat. Addressing the source of moisture is important for a lasting solution.

Can a build-up of cardboard be a problem?

Piles of cardboard and paper can provide hiding places. Reduce these accumulations, especially in damp storage areas; keep valuable books in dry conditions.

02

HOW TO PROTECT YOURSELF

  1. 01

    Fix water leaks and condensation; improve ventilation in bathrooms and storage areas.

  2. 02

    Check around pipes and in cracks to reduce hiding places.

  3. 03

    Reduce unnecessary accumulations of cardboard and paper; protect books from moisture.

  4. 04

    Store dry foods in sealed containers; clear crumbs from cupboards and floors.

03

CHOOSE THE RIGHT PRODUCT

  1. 01

    Confirm the target pest

    Check that the product label explicitly lists silverfish as a target. The general term “pests” does not mean the product is suitable for them.

  2. 02

    Check the application area

    For this target pest, use only the surfaces specified on the label. Do not treat people, animals, food or textiles that come into direct contact with skin as application areas.

  3. 03

    Read the directions for use on the label

    Compare the directions specific to the target pest and any stated duration of action. Do not apply one product's instructions to another or assume unverified durations.

  4. 04

    Check the authorisation details

    Especially when buying online, check the back label for the biocidal product authorisation number, authorisation date, active ingredient and directions for use.

04

SUITABLE PRODUCTS

Choose a silverfish control solution according to the target and application area.

Compare pest control products across our brands, grouped by solution type. Find the options that suit your needs.

01

SURFACE TREATMENT

Application to surfaces where the target pest is present.

05

FREQUENTLY ASKED QUESTIONS

Is the silvery insect in the bathroom a silverfish?

A silvery, wingless body and three tail appendages suggest a silverfish. Colour and location alone do not provide a definite identification.

Are silverfish harmful to people?

They do not bite people and are not known to be significant disease vectors. The damage they can cause to paper products and some dry foods is the main concern.

Why do silverfish appear?

Damp, dark hiding places and accessible food sources can help them establish themselves. First check for leaks and moisture problems.

Do they damage books and food?

They may feed on book bindings, adhesives, starchy paper products and some dry foods. Keep storage areas dry and clean.

Which product is shown for silverfish?

Killing Max Spray is listed for this pest on surfaces specified on the label. Do not apply it indiscriminately to food, books or items that come into contact with people.