VU

Shasta Salamander

Hydromantes shastae

Unknown

Overview

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

The Shasta Salamander faces significant threats from climate change, which is altering the cool, moist microhabitats essential for its survival in limestone caves and rock crevices. Forest management practices and potential quarrying activities in its limited range pose additional risks to cave systems and surrounding forest habitats. The species' extremely restricted distribution in the Shasta-Trinity region makes entire populations vulnerable to single catastrophic events or localized habitat degradation.

Threat summary

Habitat

The Shasta Salamander inhabits limestone caves, rock crevices, and talus slopes in mixed coniferous forests of the Shasta-Trinity region of northern California. It requires cool, humid microenvironments with stable temperatures and moisture levels, typically found in underground refugia and beneath surface rocks in forested areas between 400-1,200 meters elevation.

Frequently asked questions

Why is Shasta Salamander classified as Vulnerable?
Shasta Salamander is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Shasta Salamander faces significant threats from climate change, which is altering the cool, moist microhabitats essential for its survival in limestone caves and rock crevices. Forest management practices and potential quarrying activities in its limited range pose additional risks to cave systems and surrounding forest habitats. The species' extremely restricted distribution in the Shasta-Trinity region makes entire populations vulnerable to single catastrophic events or localized habitat degradation.
Where does Shasta Salamander live?
Shasta Salamander 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 Shasta Salamander?
The main threats to Shasta Salamander 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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