VU

rietmarpissa

Marpissa radiata

Unknown

Overview

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

Marpissa radiata faces significant pressure from habitat degradation in its specialized coastal dune and sandy grassland environments. Urban development and recreational activities along coastlines have fragmented and destroyed much of its preferred habitat. Climate change-induced sea level rise and increased storm intensity threaten the stability of coastal dune systems where this jumping spider establishes its territories.

Threat summary

Habitat

Marpissa radiata inhabits coastal dune systems, sandy grasslands, and open heathland areas with sparse vegetation. This jumping spider prefers sun-exposed sandy substrates with scattered low shrubs and grasses that provide hunting grounds and shelter.

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Frequently asked questions

Why is rietmarpissa classified as Vulnerable?
rietmarpissa is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Marpissa radiata faces significant pressure from habitat degradation in its specialized coastal dune and sandy grassland environments. Urban development and recreational activities along coastlines have fragmented and destroyed much of its preferred habitat. Climate change-induced sea level rise and increased storm intensity threaten the stability of coastal dune systems where this jumping spider establishes its territories.
Where does rietmarpissa live?
rietmarpissa occurs in Austria, Belarus, Belgium, Croatia, Czechia, and Denmark (plus 16 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to rietmarpissa?
The main threats to rietmarpissa 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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