Fauna
Invertebrate

European Edible Urchin

Echinus esculentus

Also known as Common Sea Urchin, Edible Sea Urchin, European Sea Urchin

European edible sea urchins are large, globose marine invertebrates easily recognized by their pinkish-red to purple shells covered in short, blunt, white-tipped spines. They graze on kelp forests and encrusting organisms using a specialized five-jawed mouth apparatus known as Aristotle's lantern. These slow-moving echinoderms play a vital role in structuring temperate rocky reef ecosystems by preventing algae from overgrowing the seafloor.

MarineSpinyBenthic
European Edible Urchin reference
(c) Wiljam Eklund, some rights reserved (CC BY) · cc-by
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Near ThreatenedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNear ThreatenedRed List categories, explained →
Key facts
Diet & preyLaminaria digitata, Bryozoans, Encrusting Algae
Predators
  • European Lobster
  • Common Starfish
  • Anarhichas lupus
ThreatsOverharvesting for human consumption, habitat degradation, and climate change
HabitatsTemperate rocky reefs, kelp forests, and gravelly seabeds
Life spanUp to 10 to 15 years
Classification
  1. FamilyEchinidae
  2. SpeciesEchinus esculentus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Sharp spines can easily puncture skin; handle with thick gloves or avoid touching.
What to notice
Look for large, spherical pinkish-red shells covered in dense, short, white-tipped spines on rocky subtidal reefs.
Support conservation
Avoid harvesting wild individuals and minimize disturbance to the surrounding kelp forest habitat.
Responsible observation
  • Look for Grazing Scars: Search for cleared, circular patches on kelp fronds and rocky surfaces where they have fed.
  • Handle with Care: Avoid picking them up bare-handed as the sharp spines can easily break off in skin.
  • Observe Tube Feet: Watch closely in clear water to see their translucent tube feet extending between the spines.
Related species
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