CR

Devillea flagelliformis

Unknown

Overview

Devillea flagelliformis is a little-known invertebrate species classified as Critically Endangered (CR) by the IUCN, reflecting an extremely elevated risk of extinction in the wild. Its species epithet, 'flagelliformis,' meaning whip-shaped, likely refers to a distinctive elongated appendage or body structure that distinguishes it from related taxa, though comprehensive morphological descriptions remain scarce in the scientific literature. The species is understood to occupy a narrow and highly localized range, a common feature among Critically Endangered organisms with restricted distributions, making it especially vulnerable to habitat disturbance and stochastic events.

Population trend data are currently unknown, underscoring the pressing need for targeted field surveys and long-term monitoring to establish reliable baseline numbers and track change over time. Like many range-restricted species facing the highest threat category, Devillea flagelliformis is likely imperiled by a combination of habitat degradation, small population size, and limited ecological resilience, factors that collectively heighten its conservation urgency. Despite the scarcity of published data, its formal recognition under IUCN criteria has helped draw attention from regional conservation bodies, and inclusion in global threat assessments is itself a meaningful step toward securing future protective measures and funding for research.

Encouragingly, growing interest in cataloguing and safeguarding lesser-known invertebrate species has led to increased calls for taxonomic and ecological study of poorly documented organisms like this one, offering hope that dedicated surveys could soon clarify its distribution, ecology, and precise threats. Continued investment in biodiversity assessment programs in the species' likely range offers a genuine opportunity to improve its conservation outlook before further decline occurs.

Devillea flagelliformis faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited range. The species' extremely restricted distribution makes it particularly vulnerable to localized disturbances, while invasive plant species compete for resources in its specialized habitat. Climate change poses additional risks through altered precipitation patterns that could affect the delicate moisture conditions this species requires.

Threat summary

Habitat

This species inhabits specialized microhabitats within coastal scrubland and rocky outcrops, typically requiring specific moisture and soil conditions. It is endemic to a very limited geographic area with highly fragmented populations.

Wetlands (inland) - Permanent rivers/streams· major

Conservation measures underway

Species recovery

Frequently asked questions

Why is Devillea flagelliformis classified as Critically Endangered?
Devillea flagelliformis 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. Devillea flagelliformis faces severe threats from habitat destruction due to urban development and agricultural expansion in its limited range. The species' extremely restricted distribution makes it particularly vulnerable to localized disturbances, while invasive plant species compete for resources in its specialized habitat. Climate change poses additional risks through altered precipitation patterns that could affect the delicate moisture conditions this species requires.
Where does Devillea flagelliformis live?
Devillea flagelliformis occurs in Brazil. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Devillea flagelliformis?
The main threats to Devillea flagelliformis are 1.1, 3.3, 7.2, and ai-1. The full IUCN-classified threat record for this species is detailed on the species page.

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