Micrarionta opuntia
Overview
A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.
Micrarionta opuntia faces significant pressure from urban development and agricultural expansion across its limited range in southern California. The species' dependence on specific microhabitat conditions makes it particularly vulnerable to habitat fragmentation, as small population patches become isolated and unable to maintain genetic diversity. Invasive plant species alter the native shrubland communities that this snail requires, while climate change threatens to shift precipitation patterns critical for its reproductive cycles.
Habitat
This terrestrial gastropod inhabits coastal sage scrub and chaparral communities in southern California, typically found among native shrubs and cacti including prickly pear (Opuntia species). The species requires specific moisture conditions and shelter provided by dense vegetation cover in these Mediterranean-climate ecosystems.
Other threatened species in HELMINTHOGLYPTIDAE
Threatened in United States
Frequently asked questions
Why is Micrarionta opuntia classified as Vulnerable?
Where does Micrarionta opuntia live?
What are the main threats to Micrarionta opuntia?
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