Canary Islands Cave Silverfish vs Washburn's Rock Crawler

Side-by-side species comparison

Attribute Canary Islands Cave Silverfish Washburn's Rock Crawler
Scientific Name Coletinia majorensis Grylloblatta washingtonensis
Order Zygentoma Grylloblattodea
Family Nicoletiidae Grylloblattidae
Size 6-10 mm 15-25 mm
Habitat Caves Caves
Diet Fungus Feeders Detritivores
Regions Spain Pacific Northwest, United States
Conservation Vulnerable Near Threatened

Canary Islands Cave Silverfish

A cave-adapted silverfish from Fuerteventura in the Canary Islands. It lives in lava tubes and volcanic caves.

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Did You Know?

Males of this species have distinctive asymmetric antennae.

Washburn's Rock Crawler

A pale, eyeless ice crawler found in the Cascade Range. It forages at night on snow surfaces in near-freezing temperatures.

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Did You Know?

Their eggs can take up to five years to hatch in the cold conditions where they live.