| Habitat: Coastal rocky reefs to 35m |
| Distribution: Along the NSW coast and parts of Victoria |
| Maximum Size: Test diameter to 100mm, spines to 75mm |
| Notes: The dominant sea urchin in NSW coastal waters. |
| Image Location: Bonny Reef, off Bonny Hills |
| Image ID Number: P2170020 in folder AC |
| Reference: Edgar page: 360 |
