VU

Calocaris macandreae

Local name: vanlig grävkräfta

Unknown

Overview

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

The vanlig grävkräfta faces significant pressure from bottom trawling and dredging activities that destroy its delicate burrow systems in soft sediments. Climate change-induced warming of North Atlantic waters threatens to shift the species' preferred temperature range northward, potentially reducing suitable habitat. Pollution from agricultural runoff and industrial activities degrades water quality in coastal areas where this burrowing crustacean maintains its complex tunnel networks.

Threat summary

Habitat

This species inhabits soft muddy and sandy sediments on the continental shelf and upper slope, typically at depths of 20-800 meters in the North Atlantic. It constructs elaborate Y-shaped burrow systems in fine sediments where it filter-feeds and reproduces.

MARINE· major

Other threatened species in Axiidae

VU

Calocarides coronatus

Unknown

Threatened in Angola

Calidris ferrugineaVU

Calidris ferruginea

Declining
EN

Syzygium kuneneense

Unknown
VU

Barleria deserticola

Stable
VU

Barleria namba

Unknown

Frequently asked questions

Why is vanlig grävkräfta classified as Vulnerable?
vanlig grävkräfta 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. The vanlig grävkräfta faces significant pressure from bottom trawling and dredging activities that destroy its delicate burrow systems in soft sediments. Climate change-induced warming of North Atlantic waters threatens to shift the species' preferred temperature range northward, potentially reducing suitable habitat. Pollution from agricultural runoff and industrial activities degrades water quality in coastal areas where this burrowing crustacean maintains its complex tunnel networks.
Where does vanlig grävkräfta live?
vanlig grävkräfta occurs in Angola, Belgium, Denmark, France, Germany, and Greece (plus 13 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 vanlig grävkräfta?
The main threats to vanlig grävkräfta 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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