Centipede
Can deliver a painful bite and hunts prey far smaller than you — and poses essentially no serious medical risk to healthy adults
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Overview
Centipedes trigger a visceral response — speed, many legs, sudden appearances. The largest species can deliver bites that cause real pain. For healthy adults, this is the extent of the danger. Centipedes are important predators of household pests and are tolerated indoors in many cultures precisely for this reason.
Friendly fact
House centipedes do active pest control work every night — eating spiders, cockroaches, termites, silverfish, and bed bugs with equal enthusiasm. One of nature's most alarming-looking guests is also one of the most useful.
Fascinating facts
- 1
Centipedes are not insects — they're myriapods, a separate arthropod class more closely related to millipedes than to insects.
- 2
A centipede can never have exactly 100 legs — they always have an odd number of leg pairs, making a perfect 100 anatomically impossible.
- 3
Giant centipedes (Scolopendra gigantea) reach 30cm and have been documented killing mice, frogs, and small bats. Despite this, serious medical cases in healthy adults are extremely rare.
- 4
Centipede venom is injected through modified front legs (forcipules), not through mouthparts — the 'bite' is technically a pincer action near the head.
- 5
House centipedes eat cockroaches, termites, silverfish, spiders, and bed bugs — they're one of the most effective pest controllers that can live in a home.
Myth vs. Reality
Myth
Centipedes are medically dangerous.
Reality
Giant centipede bites cause significant pain and local swelling but systemic reactions requiring hospital treatment are rare in healthy adults. Deaths are essentially unrecorded.
Myth
Centipedes have exactly 100 legs.
Reality
Centipedes always have an odd number of leg pairs — they can never have exactly 100 legs. Most common house centipedes have 30.