differences.
Silverfish Firebrat
Silvery-gray color Brownish or mottled gray
Prefers cool, damp areas (bathrooms, basements) Prefers warm areas (attics, near furnaces)
Long, slender antennae Shorter, more robust antennae
Slow to moderate speed Faster, more heat-tolerant
Both are harmless but destructive. The control methods are similar.
Frequently Asked Questions
Are silverfish harmful to my pets?
No. They don’t bite or carry diseases that affect animals. Your cat or dog might eat one, but it won’t hurt them.
Do silverfish bite humans?
No. They have no interest in biting people. They eat starches and cellulose, not blood.
Can silverfish climb walls?
Yes, they have tiny claws on their feet and can climb vertical surfaces—including walls and ceilings. But they prefer staying close to the floor.
Are silverfish a sign of a dirty house?
Not necessarily. They’re attracted to moisture and food sources, which can exist in any home. Clean homes can still
