Urchin
Edible sea urchin
Echinus esculentus
Britain's largest urchin, a reddish-pink to purple dome up to 16cm across, covered in short even spines with a five-part radial pattern showing through. Grazes algae off rock and kelp stipes with a mouth on its underside; edible, and once commercially harvested.
Usually seen at
8-50 m (median 18 m)
Size
Medium (10–50 cm)
Habitat
Rocky crevice, Kelp
Behaviour
On bottom
Where it's seen
Occurrence records around the UK & north-east Atlantic (OBIS). The ringed marker is the PEBL filming site.
Reference photos
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