CR

Tegenaria hauseri

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Tegenaria hauseri faces severe threats from habitat destruction and fragmentation of its cave and underground environments. Human activities including quarrying, construction, and cave disturbance have significantly reduced available habitat. The species' extremely limited distribution makes it particularly vulnerable to local extinctions from even minor environmental changes.

Threat summary

Habitat

This critically endangered spider inhabits deep caves and underground cavities in limestone formations. It requires stable, humid cave environments with consistent temperatures and minimal light penetration.

Conservation measures underway

Species recovery

Other threatened species in AGELENIDAE

VU

Tegenaria annae

Unknown
EN

Tegenaria pieperi

Unknown
VU

Tegenaria ariadnae

Unknown
CR

Histopona isolata

Unknown

Frequently asked questions

Why is Tegenaria hauseri classified as Critically Endangered?
Tegenaria hauseri is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Tegenaria hauseri faces severe threats from habitat destruction and fragmentation of its cave and underground environments. Human activities including quarrying, construction, and cave disturbance have significantly reduced available habitat. The species' extremely limited distribution makes it particularly vulnerable to local extinctions from even minor environmental changes.
Where does Tegenaria hauseri live?
Tegenaria hauseri occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Tegenaria hauseri?
The main threats to Tegenaria hauseri are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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