Giant Nicoletiid vs Gray Silverfish
Side-by-side species comparison
| Attribute | Giant Nicoletiid | Gray Silverfish |
|---|---|---|
| Scientific Name | Texoreddellia aquilonaris | Ctenolepisma longicaudatum |
| Order | Zygentoma | Zygentoma |
| Family | Nicoletiidae | Lepismatidae |
| Size | 15-25 mm | 10-15 mm |
| Habitat | Caves | Underground |
| Diet | Detritivores | Omnivores |
| Regions | North America, Texas | Europe |
| Conservation | Vulnerable | Least Concern |
Giant Nicoletiid
A cave-dwelling, blind silverfish relative found in Texas caves. It is completely unpigmented and white, with elongated appendages adapted to cave life.
Did You Know?
Cave-adapted silverfish like this species represent some of the most ancient lineages of living insects still inhabiting their ancestral habitat type.
Gray Silverfish
An invasive silverfish species spreading rapidly through northern Europe. It is larger and more uniformly gray than the common silverfish.
Did You Know?
It has become a major household pest in Scandinavia since the 2000s.