Slate Pencil Urchin
Eucidaris thouarsii
- Group: Urchin
- Typical depth: 0–150 m
- Max size: 15 cm
Stout blunt spines like rounded pencils ring this urchin, wedged between and beneath rocks from the shallows to roughly 135 metres. Its test spans about 15 centimetres across, and the thick spines protect it where surge would snap finer ones.
Taxonomy: Animalia › Echinodermata › Echinoidea › Cidaroida › Cidaridae › Eucidaris
Species data via the World Register of Marine Species (WoRMS), AphiaID 513266.
FAQ
- How deep does the Slate Pencil Urchin live?
- The Slate Pencil Urchin (Eucidaris thouarsii) is typically found at 0–150 m.
- How big does the Slate Pencil Urchin get?
- The Slate Pencil Urchin grows to about 15 cm.