Alabama Cave Silverfish vs Hawaiian Cave Spider

Side-by-side species comparison

Attribute Alabama Cave Silverfish Hawaiian Cave Spider
Scientific Name Speleonycta sp. nov. Alabama Adelocosa anops
Order Zygentoma Araneae
Family Nicoletiidae Lycosidae
Size 8-12 mm 15-20 mm body length
Habitat Caves Caves
Diet Fungus Feeders Omnivores
Regions United States Hawaii
Conservation Data Deficient Endangered

Alabama Cave Silverfish

A recently described cave silverfish from northern Alabama caves. It is completely blind and unpigmented, representing a new genus.

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Did You Know?

It was described in 2024, showing that new cave species are still being found in well-explored regions.

Hawaiian Cave Spider

A completely eyeless wolf spider found only in lava tube caves on Kauai. It is the first known blind wolf spider ever discovered.

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Did You Know?

It navigates in total darkness using vibration-sensing hairs on its legs instead of eyes.