VU

Elimia varians

Declining

Overview

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

Elimia varians faces significant pressure from habitat degradation in its freshwater stream environments, particularly from sedimentation and pollution runoff that affects water quality. Dam construction and water diversions have altered natural flow regimes in many watersheds where this species occurs. Additionally, invasive species competition and collection pressure from shell enthusiasts have contributed to population declines in accessible locations.

Threat summary

Habitat

Elimia varians inhabits clean, flowing freshwater streams and rivers with rocky or gravel substrates in the southeastern United States. This aquatic gastropod requires well-oxygenated water with stable flow conditions and is typically found in riffles and shallow areas with moderate current.

Wetlands (inland) - Permanent rivers/streams· major

Conservation measures underway

Species recovery

Other threatened species in PLEUROCERIDAE

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Io fluvialis

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Lithasia duttoniana

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Lithasia salebrosa

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Pleurocera curta

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Lepiota echinella

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Paddlefish

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Carcharhinus brachyurus

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Lyophyllum deliberatum

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Frequently asked questions

Why is Elimia varians classified as Vulnerable?
Elimia varians 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. Elimia varians faces significant pressure from habitat degradation in its freshwater stream environments, particularly from sedimentation and pollution runoff that affects water quality. Dam construction and water diversions have altered natural flow regimes in many watersheds where this species occurs. Additionally, invasive species competition and collection pressure from shell enthusiasts have contributed to population declines in accessible locations.
Where does Elimia varians live?
Elimia varians occurs in United States. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Elimia varians?
The main threats to Elimia varians 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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