Millipede Amazing Facts — The Ancient Creature With More Legs Than Any Animal on Earth

The millipede holds a record that no other animal on Earth can match — the greatest number of legs of any creature ever documented. Yet despite their somewhat alarming appearance, millipedes are entirely harmless to humans, gentle in nature and ecologically vital to the health of forests and soils worldwide. Here are the most amazing millipede facts!

Did you know? The record-holding millipede, Eumillipes persephone, discovered in Australia in 2021, has 1,306 legs — making it the first true "millipede" (meaning thousand legs) ever found, as all previously known species had fewer than 750!

🦵 More Legs Than Any Animal on Earth

For most of history, no millipede had actually been found with 1,000 or more legs despite their name suggesting otherwise. The word millipede comes from Latin meaning "thousand feet," yet all previously studied species fell well short of this count. That changed in 2021 when scientists discovered Eumillipes persephone living nearly 60 metres underground in Western Australia, with a staggering 1,306 legs on its 330 body segments. This tiny, thread-like creature, measuring just under a centimetre wide, finally made the millipede's name accurate.

🌿 Nature's Recyclers

Millipedes are among the most important decomposers in forest ecosystems worldwide. They feed almost exclusively on decaying plant matter — dead leaves, rotting wood and decomposing vegetation — breaking this material into smaller fragments that bacteria and fungi can then process into nutrient-rich soil. Without millipedes performing this vital shredding role, leaf litter would accumulate far more slowly, significantly slowing the nutrient cycling that healthy forests depend on. A single square metre of healthy forest floor can contain dozens of millipedes actively working as nature's recycling team.

🛡️ Chemical Self-Defence

While millipedes cannot bite or sting, many species protect themselves through a remarkable chemical defence system. When threatened, they coil tightly into a protective spiral and release toxic or irritating chemicals through small pores along the sides of their bodies. These defensive secretions include hydrogen cyanide in some species, quinones in others, and various alkaloids depending on the species. Some tropical millipede species produce chemicals toxic enough to kill small animals, and indigenous peoples in certain regions have historically used millipede secretions to tip hunting darts or treat skin conditions.

🦶 Legs That Move in Coordinated Waves

Despite having hundreds of legs, millipedes move in a remarkably graceful and coordinated manner. Their legs move in sequential waves passing from front to back along each side of the body, creating a rippling motion that allows smooth, steady forward movement through leaf litter and soil. This wave-based locomotion, studied extensively by engineers, has inspired the design of multi-legged robots capable of navigating complex terrain. Each pair of legs is slightly offset from the pair in front, ensuring the millipede's movement remains smooth and efficient even when navigating obstacles.

🌍 Ancient Survivors of 400 Million Years

Fossil evidence shows millipede-like creatures existed over 400 million years ago, making millipedes one of the oldest land animal lineages still surviving today. Ancient millipede relatives were among the very first animals to colonise land from the sea, and some prehistoric species grew to extraordinary sizes — fossil evidence from Scotland shows millipede relatives reaching over 2.5 metres in length during the Carboniferous period, making them the largest land invertebrates that ever lived.

🥚 Careful Parents

Many millipede species display surprisingly devoted parental behaviour. Females construct carefully crafted nests from soil and their own faeces, depositing their eggs inside and then coiling protectively around the clutch throughout the incubation period. Some species remain with their eggs for weeks, using their body to shield them from drying out and from predators. When the young hatch, they emerge with only a few body segments and legs, gradually adding more with each moult throughout their lives — a growth pattern unique in the animal kingdom.

Amazing final fact: A giant millipede species from East Africa called Archispirostreptus gigas is widely kept as an exotic pet, reaching lengths of up to 33 centimetres. Despite its intimidating appearance, it is completely harmless, moves slowly and feeds only on fruit and vegetables — one of the gentler giants of the invertebrate world.

Ancient, ecologically vital and holding the world record for legs, the millipede is one of nature's most underappreciated success stories. 🐛

All content written originally by Geeta Singh. 

Sources & Further Reading:  Wikipedia (en.wikipedia.org), National Geographic, Scientific Reports Journal.