Japanese Ice Crawler vs Cascade Rock Crawler
Side-by-side species comparison
| Attribute | Japanese Ice Crawler | Cascade Rock Crawler |
|---|---|---|
| Scientific Name | Galloisiana nipponensis | Grylloblatta sculleni |
| Order | Grylloblattodea | Grylloblattodea |
| Family | Grylloblattidae | Grylloblattidae |
| Size | 20-25 mm | 15-22 mm body length |
| Habitat | Mountains | Caves |
| Diet | Detritivores | Omnivores |
| Regions | Asia | Oregon, Cascade Range |
| Conservation | Vulnerable | Near Threatened |
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.
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.
Cascade Rock Crawler
A rare, eyeless rock crawler found in lava tube caves in the Cascade Range. It is adapted to permanent darkness and cold temperatures.
Did You Know?
It was discovered in a lava tube cave and has greatly reduced eyes.