VU

Calocarides coronatus

Local name: krönt grävkräfta

Unknown

Overview

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

The krönt grävkräfta faces significant pressure from habitat degradation in its specialized burrow systems within coastal and estuarine sediments. Water quality deterioration from agricultural runoff and urban development disrupts the delicate chemical balance required for its survival. Climate change-induced sea level rise and altered precipitation patterns threaten to flood or desiccate its shallow burrow networks, while coastal development continues to fragment remaining suitable habitat.

Threat summary

Habitat

This species inhabits soft sediments in coastal and estuarine environments, constructing complex burrow systems in muddy substrates. It requires specific salinity levels and sediment composition found in shallow marine and brackish water zones.

MARINE· major

Other threatened species in Axiidae

VU

Calocaris macandreae

Unknown

Threatened in Denmark

Calidris ferrugineaVU

Calidris ferruginea

Declining
Anthophore estivaleCR

Anthophore estivale

Anthophora aestivalis

Unknown
Chrysotus cupreusCR

Chrysotus cupreus

Unknown
VU

narulukkokiiluri

Syntormon filiger

Unknown

Frequently asked questions

Why is krönt grävkräfta classified as Vulnerable?
krönt 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 krönt grävkräfta faces significant pressure from habitat degradation in its specialized burrow systems within coastal and estuarine sediments. Water quality deterioration from agricultural runoff and urban development disrupts the delicate chemical balance required for its survival. Climate change-induced sea level rise and altered precipitation patterns threaten to flood or desiccate its shallow burrow networks, while coastal development continues to fragment remaining suitable habitat.
Where does krönt grävkräfta live?
krönt grävkräfta occurs in Denmark, Ireland, Norway, Portugal, Spain, and Sweden (plus 1 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 krönt grävkräfta?
The main threats to krönt 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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