VU

Must hiinatrull

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

Other threatened species in Nemacheilidae

VU

Pindus stone loach

Oxynoemacheilus pindus

Unknown

Threatened in China

Calidris ferrugineaVU

Calidris ferruginea

Declining
VU

Scaphophyllum speciosum

Unknown
VU

Nephrotoma lundbecki

Unknown
CR

Camellia fascicularis

Declining

Frequently asked questions

Why is Must hiinatrull classified as Vulnerable?
Must hiinatrull 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 Must hiinatrull live?
Must hiinatrull 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 Must hiinatrull?
The main threats to Must hiinatrull 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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