ENEndangered

grote piraat

Pirata piscatorius

Pirata piscatorius, commonly known as the grote piraat or large pirate spider, is a semi-aquatic wolf spider distinguished by its robust build and distinctive pale longitudinal stripes running along its dark cephalothorax and abdomen. This species plays a crucial ecological role as both predator and prey in wetland ecosystems, hunting small invertebrates along water margins while serving as food for birds and larger arthropods.

23

Countries

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Lycosidae

Genus

Pirata

grote piraat belongs to the family Lycosidae, order Araneae, within the Arachnida class.

02Description

Species Profile

Pirata piscatorius, commonly known as the grote piraat or large pirate spider, is a semi-aquatic wolf spider distinguished by its robust build and distinctive pale longitudinal stripes running along its dark cephalothorax and abdomen. This species plays a crucial ecological role as both predator and prey in wetland ecosystems, hunting small invertebrates along water margins while serving as food for birds and larger arthropods.

Pirata piscatorius faces severe population declines primarily due to habitat loss from wetland drainage and agricultural conversion of its specialized aquatic environments. Water pollution and hydrological changes from human activities further degrade the quality of remaining suitable habitats.

Key Facts

IUCN StatusEndangered (EN)
GroupArachnids
03Habitat

Habitat & Distribution

This species inhabits the margins of slow-moving streams, pond edges, and marshy areas where vegetation meets open water, particularly favoring areas with emergent sedges and rushes. It requires stable moisture levels and clean water with minimal pollution, often found in reed beds and wet meadows adjacent to permanent water bodies.

04Threats

Threats

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IUCN Red List: Endangered

Pirata piscatorius faces severe population declines primarily due to habitat loss from wetland drainage and agricultural conversion of its specialized aquatic environments. Water pollution and hydrological changes from human activities further degrade the quality of remaining suitable habitats.

Agricultural intensification

HighOngoing

Wetland drainage and conversion

HighOngoing

Climate change impacts on water bodies

MediumOngoing

Hydrological alterations

MediumOngoing

Water pollution

MediumOngoing
Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). grote piraat (Pirata piscatorius). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/grote-piraat

Full citation guide & data usage terms