Japanese Ice Crawler vs Siamese Stag Beetle

Side-by-side species comparison

Attribute Japanese Ice Crawler Siamese Stag Beetle
Scientific Name Galloisiana nipponensis Hexarthrius parryi
Order Grylloblattodea Coleoptera
Family Grylloblattidae Lucanidae
Size 20-25 mm 45-90 mm
Habitat Mountains Mountains
Diet Detritivores Sap Feeders
Regions Asia Thailand, Malaysia, Indonesia, India
Conservation Vulnerable Not Evaluated

Japanese Ice Crawler

A nocturnal wingless insect found at high elevations in Japan. One of the most primitive living insects, often called a living fossil from the Permian period.

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Did You Know?

Ice crawlers are considered living fossils — their order dates back to the Permian period, 250 million years ago, before the dinosaurs evolved.

Siamese Stag Beetle

A large stag beetle with impressive curved mandibles and a dark brown to black body. Males use their oversized jaws in territorial combat.

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Did You Know?

Males can lift opponents twice their own weight with their massive mandibles during fights.