Arbacia lixula (black sea urchin)
Arbacia lixula (black sea urchin)
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Habitat: | Hard soil |
| Occurrence: | Mediterranean and Near Atlantic, Great Britain, Ireland In shallow water from 1 to 15 metres |
| Size: | 6 cm in diameter, spines up to 3 cm long |
| Appearance: | Brown to purple or black |
| Behaviour: | Hemispherical shape with flattened mouth area Many, sharp, smooth spines |
