Madagascan Pill Millipede vs Giant Pill Millipede

Side-by-side species comparison

Attribute Madagascan Pill Millipede Giant Pill Millipede
Scientific Name Zoosphaerium neptunus Zephronia siamensis
Order Sphaerotheriida Sphaerotheriida
Family Arthrosphaeridae Zephroniidae
Size 40-60 mm when curled 30-50 mm diameter when rolled
Habitat Forests Caves
Diet Wood Feeders Wood Feeders
Regions Madagascar Southeast Asia (Thailand, Malaysia, Vietnam, Laos, Cambodia)
Conservation Not Evaluated Least Concern

Madagascan Pill Millipede

A giant pill millipede endemic to Madagascar that can roll into a perfect ball. It is one of the largest pill millipedes in the world.

💡

Did You Know?

Males produce sounds by stridulation to attract females during courtship.

Giant Pill Millipede

A large pill millipede that can roll into a perfect sphere the size of a golf ball when threatened. The body is dark brown to black with smooth, overlapping plates.

💡

Did You Know?

When rolled into a ball, the armor plates lock together so tightly that most predators cannot pry them apart.