| Aspect: | An elongated oval made up of an array of eight slightly overlapping shell plates surrounded by a grey/white and black coloured girdle. This flexible carapace protects the creeping animal's body. Thanks to its mantle, the animal can develop a solid grip on rocks. |
| Population: | Common. |
| Notable feature: | Curls up into a ball for protection if attacked. |
| Environment: | Usually found on shore rocks close to the interdidal line. They feed on algae and vegetals. |
| Behaviour: | - |
