CR

Hasarius mahensis

Unknown

Overview

Hasarius mahensis is a species of jumping spider. The species is endemic to Mahé Island of Seychelles.

Hasarius mahensis faces severe threats from habitat destruction due to urban development and agricultural expansion on Mahé Island in the Seychelles. The species' extremely limited range makes it particularly vulnerable to any habitat modification, while introduced predators and competitors may further impact the remaining populations. Climate change poses additional risks through altered precipitation patterns and increased storm intensity affecting the island's fragile ecosystems.

Threat summary

Habitat

This critically endangered jumping spider is endemic to Mahé Island in the Seychelles, where it inhabits native vegetation and forest edges. The species appears to be restricted to specific microhabitats within the island's remaining natural areas.

Forest· majorForest - Subtropical/tropical mangrove vegetation· major

Other threatened species in SALTICIDAE

EN

Gauteng Heliophanus Jumping Spider

Heliophanus africanus

Unknown
VU

Carrhotus bellus

Unknown
EN

Microbianor golovatchi

Unknown
EN

Pseudicius seychellensis

Unknown

Threatened in Seychelles

EN

Acropora mossambica

Declining
EN

Imperturbatia violescens

Stable
EN

Aldabra Fody

Foudia aldabrana

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CR

Ariadna ustulata

Declining

Frequently asked questions

Why is Hasarius mahensis classified as Critically Endangered?
Hasarius mahensis 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. Hasarius mahensis faces severe threats from habitat destruction due to urban development and agricultural expansion on Mahé Island in the Seychelles. The species' extremely limited range makes it particularly vulnerable to any habitat modification, while introduced predators and competitors may further impact the remaining populations. Climate change poses additional risks through altered precipitation patterns and increased storm intensity affecting the island's fragile ecosystems.
Where does Hasarius mahensis live?
Hasarius mahensis occurs in Seychelles. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Hasarius mahensis?
The main threats to Hasarius mahensis are 11.1, 11.4, 7.3, and 9.3.4. The full IUCN-classified threat record for this species is detailed on the species page.

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