CR

Mesonoemacheilus herrei

Declining

Overview

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

Mesonoemacheilus herrei faces severe threats from habitat degradation in its restricted range within the Western Ghats of India. Dam construction and water diversions have altered natural flow regimes in the streams where this loach occurs. Agricultural runoff and domestic pollution have degraded water quality in remaining habitat patches. The species' extremely limited distribution makes it particularly vulnerable to localized environmental changes.

Threat summary

Habitat

This freshwater loach inhabits clear, fast-flowing streams and rivers in the Western Ghats mountain range of southern India. It typically occurs in rocky substrates with good water flow and high dissolved oxygen levels.

FRESHWATER· major

Conservation measures underway

Site/area protection

Frequently asked questions

Why is Mesonoemacheilus herrei classified as Critically Endangered?
Mesonoemacheilus herrei is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Mesonoemacheilus herrei faces severe threats from habitat degradation in its restricted range within the Western Ghats of India. Dam construction and water diversions have altered natural flow regimes in the streams where this loach occurs. Agricultural runoff and domestic pollution have degraded water quality in remaining habitat patches. The species' extremely limited distribution makes it particularly vulnerable to localized environmental changes.
Where does Mesonoemacheilus herrei live?
Mesonoemacheilus herrei occurs in India. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Mesonoemacheilus herrei?
The main threats to Mesonoemacheilus herrei are 1.1, 7.2, ai-1, and ai-2. The full IUCN-classified threat record for this species is detailed on the species page.

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