Edible Urchin

Picture of Edible Urchin

Description of the Edible Urchin

The Edible Urchin also known as the European Edible Sea Urchin is shaped like a ball and as its name suggests can be eaten! Its Latin name 'Esculentus' translates to edible and the roe of this species of sea urchin is harvested and eaten. It has spines instead of tentacles unlike other species of sea anemone. The scale worm (Adyte assimilis) and the Copepod crustacean (Pseudoanthessius liber) have a Commensalism relationship with the edible sea urchin and live in its scales.

Picture of a Edible Urchin

Edible Urchin

Facts - Information - Video - Picture

Popular Name: Edible Urchin
Species: Echinus esculentus

Profile of the Edible Urchin
This Profile contains interesting facts and information about the Edible Urchin species.

  • Size: Up to 10cm

  • Diet / Feeding: Algae, Worms, Barnacles

  • Habitat: Attaches itself to the sea bed, rocks and seaweed

  • Range: Depth of up to 40m, coastline of Western Europe

Scientific Classification of the Edible Urchin
Definition: Scientific classification, or biological classification, is how biologists group and categorize species of organisms with shared physical characteristics. Scientific classification belongs to the science of taxonomy.

  • Species: Echinus esculentus

  • Popular Name: Edible Urchin

  • Kingdom: Animalia

  • Phylum: Echinodermata

  • Class: Echinoidea

  • Order: Echinoida

  • Family: Echinidae

Interesting Information about Sea Anemones
Sea Anemones are named after the Anemone flower. They are a predatory animal that releases a toxin to paralyse its prey. The prey is then moved into the anemones gastro vascular cavity. The poison secreted by a sea anemone affects fish and crustaceans. The Clown Fish or Anemonefish however has a mutually symbiotic relationship with the sea anemone, they are not affected by its poison and live among its tentacles, indeed laying their eggs on the anemone itself. The clownfish uses the sea anemone as a form of defence from larger predators.

Sea Anemones - Anatomy - Edible Urchin
The sea anemone has just one external opening. This single opening acts as both a mouth and an anus. All waste and undigested material is excreted through this opening. A sea anemone has no sense organs, its nervous system is very primitive but it does have nerves and muscles. The anemone doesn't have a skeleton, it keeps itself stable by closing its mouth enabling it to stay rigid.


Sea Anemones - Movement - Edible Urchin
Can a sea anemone move? Although sea anemones usually remain static, they can use their pedal disc to move slowly flexing their body or using their tentacles to swim slowly to another location. They can attach themselves to a rock, the sea bed or the shell of a crustacean, a hermit crab for example. A sea anemone will only move location if they are attacked by a predator or the conditions of the water are unsuitable.


Interesting Facts and Information about Edible Urchin

Edible Urchin

  • Interesting Information about Edible Urchin

  • Facts about Fish Species - Can an Edible Urchin move?

  • How does the Edible Urchin catch its prey?

  • Facts about Fish Species - Does the Edible Urchin have a skeleton?

  • Species: Echinus esculentus

Fish Species

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