Smaller Najas
CR

Smaller Najas

Najas minor

UnknownLCEULCEU

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Najas_minor

Overview

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

Smaller Najas faces severe threats from habitat degradation and loss of suitable aquatic environments due to water pollution, eutrophication, and human development pressures. The species' specialized requirements for clean, shallow freshwater systems make it particularly vulnerable to water quality changes and habitat fragmentation.

Threat summary

Habitat

Smaller Najas inhabits shallow freshwater environments including ponds, lakes, slow-moving streams, and temporary pools with muddy or sandy substrates. The species typically occurs in nutrient-poor to moderately nutrient-rich waters at depths of 0.5 to 3 meters.

FRESHWATER· major

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Frequently asked questions

Why is Smaller Najas classified as Critically Endangered?
Smaller Najas 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. Smaller Najas faces severe threats from habitat degradation and loss of suitable aquatic environments due to water pollution, eutrophication, and human development pressures. The species' specialized requirements for clean, shallow freshwater systems make it particularly vulnerable to water quality changes and habitat fragmentation.
Where does Smaller Najas live?
Smaller Najas occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Smaller Najas?
The main threats to Smaller Najas 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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