Giant Nicoletiid vs Ozark Cave Silverfish

Side-by-side species comparison

Attribute Giant Nicoletiid Ozark Cave Silverfish
Scientific Name Texoreddellia aquilonaris Speleonycta ozarkensis
Order Zygentoma Zygentoma
Family Nicoletiidae Nicoletiidae
Size 15-25 mm 8-12 mm
Habitat Caves Caves
Diet Detritivores Fungus Feeders
Regions North America, Texas United States
Conservation Vulnerable Vulnerable

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.

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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.

Ozark Cave Silverfish

A blind cave-adapted silverfish found in caves of the Ozark Highlands. It is completely white and eyeless.

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Did You Know?

It is the only known species of its genus, endemic to Ozark caves.