How to Handle a Giant Millipede (Gentle Giant, Brittle Shell)

Giant African millipedes are often called the gentle giants of the invertebrate world, and that reputation is earned. This is a docile, slow-moving, completely non-aggressive animal, one of the safest invertebrates for a keeper of any experience level to handle. The risk here runs in a direction you might not expect.

A Completely Different Kind of Animal From the Predatory Invertebrates

The tarantula, emperor scorpion, and praying mantis are all predators, and their defenses reflect that: bites, stings, urticating hairs. The giant millipede is a detritivore, eating decaying plant matter, and it can't bite or sting you at all. Its only defense is curling into a tight spiral and secreting a chemical fluid that smells unpleasant and can mildly irritate skin, eyes, or mucous membranes, and may leave a temporary yellowish-brown stain. Always wash your hands after handling, and keep that fluid away from your eyes and mouth.

The Bigger Risk: Falls, Not Bites

This is the detail that matters most. A giant millipede has a heavy body and a genuinely brittle exoskeleton, and a fall from even a modest height, higher than the animal's own body length, onto a hard surface can crack the shell and prove fatal. Handle over a soft surface close to the ground, support the full body, and never grab from above, let the millipede walk onto your hand instead.

Never Handle During or Right After a Molt

A molting millipede has a soft, vulnerable exoskeleton. Leave it completely undisturbed during this period, and if you see your millipede burrow into the substrate and stay there, resist the urge to dig it up to check on it, this is very often normal molting behavior, not a problem.

Signs It Is Stressed by You

The curl is the sign, and the secretion is the sign you missed. Tree of Life Exotic Pet Medical Center's care sheet lists both under defense: a millipede may curl into a spiral or secrete a brown or yellow fluid containing mild irritants, benzoquinones, and its advice is to avoid touching the eyes or mouth after handling and to wash hands thoroughly. Chicago Exotics adds that the secretions contain cyanide and other compounds that can cause mild skin irritation in someone sensitive.

• Curling into a spiral when your hand arrives. Stop there. A curled millipede is not in danger from you, but it has decided you might be, and the next step is the fluid. Hands still, wait, and let it uncurl and walk on its own.
• Fluid on your skin. You went past the curl. Wash at once, keep it away from the eyes and mouth, and end the session.
• A millipede that will not come up. Refusing to move is not on either source's list of stress signs, and the likeliest reason it is not moving is the molt above: Tree of Life says millipedes molt underground, that buried millipedes must not be disturbed, and that a molt may take several weeks. A buried millipede is not stressed by you yet. Digging it up is how it becomes so.

Tree of Life also lists overcrowding as a source of stress. A group that is always curled may need more room, not less handling.

First-Timer Mistakes

• Dropping the animal, by far the most common and most serious handling risk with this species.
• Handling during a molt.
• Digging up a burrowed millipede out of curiosity rather than recognizing it as likely molting behavior.

The Honest Comparison to Other Invertebrates

If you're weighing a first invertebrate pet, the giant millipede is arguably the safest to handle, no venom, no bite, no sting, just a mild-smelling secretion as its worst-case defense. The tradeoff is fragility instead of danger, this animal needs to be handled carefully specifically to protect it, not you.

How this species measures up against three other exotic pets is in Jackson's Chameleon, Canary, Giant Millipede & Corydoras Catfish compared.

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Sources & Further Reading