EN

Cystacanthus affinis

Unknown

Overview

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

Cystacanthus affinis faces severe pressure from deforestation and agricultural expansion throughout its limited range in Southeast Asian tropical forests. The species' specialized habitat requirements make it particularly vulnerable to forest fragmentation, as it depends on specific microhabitat conditions within primary forest ecosystems. Mining activities and infrastructure development have further reduced available habitat, while climate change threatens to alter the moisture and temperature regimes essential for this species' survival.

Threat summary

Habitat

Cystacanthus affinis inhabits primary tropical rainforests in Southeast Asia, typically found in areas with high humidity and stable temperature conditions. The species requires specific microhabitat features within undisturbed forest ecosystems, including particular soil conditions and forest canopy structure.

Other threatened species in ACANTHACEAE

VU

Justicia orbicularis

Declining
EN

Isoglossa congesta

Unknown
Brachystephanus kupeensisCR

Brachystephanus kupeensis

Declining
VU

Whitfieldia preussii

Declining

Frequently asked questions

Why is Cystacanthus affinis classified as Endangered?
Cystacanthus affinis 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. Cystacanthus affinis faces severe pressure from deforestation and agricultural expansion throughout its limited range in Southeast Asian tropical forests. The species' specialized habitat requirements make it particularly vulnerable to forest fragmentation, as it depends on specific microhabitat conditions within primary forest ecosystems. Mining activities and infrastructure development have further reduced available habitat, while climate change threatens to alter the moisture and temperature regimes essential for this species' survival.
Where does Cystacanthus affinis live?
Cystacanthus affinis 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 Cystacanthus affinis?
The main threats to Cystacanthus affinis 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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