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Cyrtandra nukuhivensis

Declining

Overview

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

Cyrtandra nukuhivensis faces severe pressure from invasive plant species that outcompete native vegetation and alter forest composition on Nuku Hiva. Habitat degradation from feral ungulates, particularly pigs and goats, damages the understory vegetation where this endemic shrub grows. The species' extremely limited range on a single island makes it highly vulnerable to stochastic events and ongoing environmental changes.

Threat summary

Habitat

This endemic shrub inhabits the humid montane forests of Nuku Hiva in the Marquesas Islands, typically growing in the understory of native forest remnants at elevations between 800-1200 meters. It requires the cool, moist conditions found in cloud forest environments with high humidity and consistent moisture.

Frequently asked questions

Why is Cyrtandra nukuhivensis classified as Endangered?
Cyrtandra nukuhivensis is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Cyrtandra nukuhivensis faces severe pressure from invasive plant species that outcompete native vegetation and alter forest composition on Nuku Hiva. Habitat degradation from feral ungulates, particularly pigs and goats, damages the understory vegetation where this endemic shrub grows. The species' extremely limited range on a single island makes it highly vulnerable to stochastic events and ongoing environmental changes.
Where does Cyrtandra nukuhivensis live?
Cyrtandra nukuhivensis 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 Cyrtandra nukuhivensis?
The main threats to Cyrtandra nukuhivensis 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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