VU

Yunnanilus niger

Unknown

Overview

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

Yunnanilus niger faces severe pressure from water pollution and habitat degradation in its limited range within the Pearl River basin. Agricultural runoff, industrial discharge, and urban development have significantly altered water quality in the streams and rivers this species depends on. Dam construction and water extraction for irrigation have further modified natural flow regimes, reducing suitable habitat availability.

Threat summary

Habitat

This freshwater fish inhabits clear, fast-flowing streams and tributaries within the Pearl River drainage system in southern China. It prefers rocky substrates with good water quality and adequate dissolved oxygen levels typical of upland stream environments.

FRESHWATER· major

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Frequently asked questions

Why is Yunnanilus niger classified as Vulnerable?
Yunnanilus niger 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. Yunnanilus niger faces severe pressure from water pollution and habitat degradation in its limited range within the Pearl River basin. Agricultural runoff, industrial discharge, and urban development have significantly altered water quality in the streams and rivers this species depends on. Dam construction and water extraction for irrigation have further modified natural flow regimes, reducing suitable habitat availability.
Where does Yunnanilus niger live?
Yunnanilus niger occurs in China. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Yunnanilus niger?
The main threats to Yunnanilus niger 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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