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Silverfish and related clues

Compare tapered insects, tail filaments, and moisture context. Keep the original finding location and date with each photograph. The guides below explain useful comparisons and when to request qualified help.

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Silverfish with long antennae, tapered body, and three tail filaments
From the guide: Silverfish in a house: body shape, eggs, and cluesPhoto: Aiwok. Web-sized reference image. The three tail appendages are visible. Related household species can look similar. · CC BY-SA 3.0
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THE RELEVANT EVIDENCE

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Silverfish in a house: body shape, eggs, and clues

Compare silverfish and firebrats and learn why an intact insect is more useful than suspected eggs.

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FROM THE JOURNAL

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01Prevention and storageBugs in cardboard boxes: inspect the item and its contents separatelyA practical record for an insect found in stored or incoming boxes, without assuming what it feeds on.02Prevention and storagePantry pest prevention: make stored food easier to checkUse package labels, storage dates, and a simple shelf map to make future pantry evidence easier to interpret.03Room checklistsSmall bugs in a bathroom: record moisture and movementNarrow a bathroom insect finding using body features and conditions instead of assuming every insect came from a drain.