VU

Stygobromus emarginatus

Unknown

Overview

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

Stygobromus emarginatus faces primary threats from groundwater contamination and aquifer depletion due to agricultural runoff and urban development in its limited range. The species' obligate dependence on pristine groundwater systems makes it extremely vulnerable to pollution from pesticides, fertilizers, and industrial chemicals that can persist in aquifers for decades. Climate change poses additional risks through altered precipitation patterns that could affect groundwater recharge rates and water table levels critical for the species' survival.

Threat summary

Habitat

This obligate groundwater amphipod inhabits pristine aquifers and underground water systems in limestone karst regions. The species requires stable, unpolluted groundwater with consistent temperature and chemical composition, typically found in deep cave systems and subterranean streams.

FRESHWATER· major

Frequently asked questions

Why is Stygobromus emarginatus classified as Vulnerable?
Stygobromus emarginatus 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. Stygobromus emarginatus faces primary threats from groundwater contamination and aquifer depletion due to agricultural runoff and urban development in its limited range. The species' obligate dependence on pristine groundwater systems makes it extremely vulnerable to pollution from pesticides, fertilizers, and industrial chemicals that can persist in aquifers for decades. Climate change poses additional risks through altered precipitation patterns that could affect groundwater recharge rates and water table levels critical for the species' survival.
Where does Stygobromus emarginatus live?
Stygobromus emarginatus 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 Stygobromus emarginatus?
The main threats to Stygobromus emarginatus 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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