Savigny's Long-Spine Sea Urchin
Diadema savignyi
- Group: Urchin
- Typical depth: 0–70 m
- Max size: 25 cm
- For divers: safe
Savigny's long spine sea urchin carries needle thin black spines that can span 25 centimetres tip to tip, gathering in large aggregations in disturbed shallow water. It grazes algae by night and often shelters a tiny commensal shrimp among its spines.
Taxonomy: Animalia › Echinodermata › Echinoidea › Diadematoida › Diadematidae › Diadema
Species data via the World Register of Marine Species (WoRMS), AphiaID 213375.
FAQ
- How deep does the Savigny's Long-Spine Sea Urchin live?
- The Savigny's Long-Spine Sea Urchin (Diadema savignyi) is typically found at 0–70 m.
- Is the Savigny's Long-Spine Sea Urchin dangerous to divers?
- The Savigny's Long-Spine Sea Urchin is harmless to divers.
- How big does the Savigny's Long-Spine Sea Urchin get?
- The Savigny's Long-Spine Sea Urchin grows to about 25 cm.