VU

Hydroporus obscurus

Unknown

Overview

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

Hydroporus obscurus faces significant pressure from habitat degradation of its specialized aquatic environments. The species is particularly vulnerable to water pollution from agricultural runoff and urban development, which alters the chemical composition of the small water bodies it depends on. Climate change poses an additional threat through altered precipitation patterns that can cause temporary pools and shallow wetlands to dry out more frequently or remain dry for extended periods.

Threat summary

Habitat

This diving beetle inhabits small, shallow freshwater bodies including temporary pools, pond margins, and slow-flowing streams with abundant aquatic vegetation. The species shows a preference for waters with moderate organic content and requires stable water levels during its breeding season.

Other threatened species in Dytiscidae

CR

Hydroporus longulus

Unknown
Graptodytes granularisCR

Graptodytes granularis

Unknown
CR

Porhydrus lineatus

Unknown
VU

lesser spangled diving beetle

Graphoderus cinereus

Unknown

Threatened in Åland Islands

Scarce BlackneckCR

Scarce Blackneck

Lygephila craccae

Unknown
EN

Dolichopus notatus

Unknown
Haplodrassus cognatusCR

Haplodrassus cognatus

Unknown
Yellow-breasted BuntingCR

Yellow-breasted Bunting

Emberiza aureola

Declining

Frequently asked questions

Why is Hydroporus obscurus classified as Vulnerable?
Hydroporus obscurus 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. Hydroporus obscurus faces significant pressure from habitat degradation of its specialized aquatic environments. The species is particularly vulnerable to water pollution from agricultural runoff and urban development, which alters the chemical composition of the small water bodies it depends on. Climate change poses an additional threat through altered precipitation patterns that can cause temporary pools and shallow wetlands to dry out more frequently or remain dry for extended periods.
Where does Hydroporus obscurus live?
Hydroporus obscurus occurs in Åland Islands, Austria, Belgium, Canada, Czechia, and Denmark (plus 19 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 Hydroporus obscurus?
The main threats to Hydroporus obscurus 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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