VU

Elimia nassula

Unknown

Overview

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

Elimia nassula faces significant threats from water pollution and sedimentation in its freshwater habitats, particularly from agricultural runoff and urban development. Dam construction and water diversions have altered natural flow regimes, disrupting the species' reproductive cycles and habitat quality. Invasive species competition and collection pressure for the aquarium trade have further contributed to population declines across its limited range.

Threat summary

Habitat

Elimia nassula inhabits freshwater streams and rivers with rocky or sandy substrates, typically in areas with moderate to fast-flowing water. The species requires clean, well-oxygenated water and is often found attached to rocks, logs, or aquatic vegetation in shallow to moderate depths.

FRESHWATER· major

Frequently asked questions

Why is Elimia nassula classified as Vulnerable?
Elimia nassula 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 nassula faces significant threats from water pollution and sedimentation in its freshwater habitats, particularly from agricultural runoff and urban development. Dam construction and water diversions have altered natural flow regimes, disrupting the species' reproductive cycles and habitat quality. Invasive species competition and collection pressure for the aquarium trade have further contributed to population declines across its limited range.
Where does Elimia nassula live?
Elimia nassula 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 nassula?
The main threats to Elimia nassula 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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