VU

Hemimyzon taitungensis

Unknown

Overview

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

Hemimyzon taitungensis faces severe pressure from habitat degradation in Taiwan's eastern river systems, where agricultural runoff and urban development have altered water quality and flow patterns. Dam construction and river channelization have fragmented populations and reduced suitable spawning habitat. The species' restricted range in the Taitung region makes it particularly vulnerable to localized environmental changes and extreme weather events.

Threat summary

Habitat

This freshwater fish inhabits fast-flowing streams and rivers in the mountainous regions of eastern Taiwan, particularly in the Taitung area. It prefers clear, well-oxygenated waters with rocky substrates and moderate to strong currents typical of upland river systems.

FRESHWATER· major

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Frequently asked questions

Why is Hemimyzon taitungensis classified as Vulnerable?
Hemimyzon taitungensis 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. Hemimyzon taitungensis faces severe pressure from habitat degradation in Taiwan's eastern river systems, where agricultural runoff and urban development have altered water quality and flow patterns. Dam construction and river channelization have fragmented populations and reduced suitable spawning habitat. The species' restricted range in the Taitung region makes it particularly vulnerable to localized environmental changes and extreme weather events.
Where does Hemimyzon taitungensis live?
Hemimyzon taitungensis occurs in Taiwan. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Hemimyzon taitungensis?
The main threats to Hemimyzon taitungensis 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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