Japanese Ice Crawler vs Chinese Rock Crawler

Side-by-side species comparison

Attribute Japanese Ice Crawler Chinese Rock Crawler
Scientific Name Galloisiana nipponensis Galloisiana sinensis
Order Grylloblattodea Grylloblattodea
Family Grylloblattidae Grylloblattidae
Size 20-25 mm 15-25 mm
Habitat Mountains Mountains
Diet Detritivores Detritivores
Regions Asia East Asia, China
Conservation Vulnerable Data Deficient

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.

Chinese Rock Crawler

A rare ice crawler found in mountainous regions of China. It is wingless and nocturnal, emerging only in cold conditions to forage on the surface.

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Did You Know?

Rock crawlers can take five to seven years to reach maturity due to the cold temperatures slowing their metabolism.