General Description

Similar to Holopneustes inflatus, but the test is thicker and more stronger, with more tubercles on each plate. The colour of the test is usually dull brown/grey or dark brown (Port Phillip). It grows to a larger size than H. inflatus. Test diameter up to 8 cm.

Biology

This species is common in intertidal areas and in shallow waters.

Habitat

Prefers environments with kelp.

Reefs

Coastal shores

Distribution guide

Southern Australia.

Species Group

Sea urchins

Depth

Shore (0-1 m)
Shallow (1-30 m)

Water Column

On or near sea floor

Max Size

8 cm

Diet

Omnivore

Harmful

Spines can puncture skin. Venom status unknown.

Commercial Species

No

Global Dispersal

Native to Australia

Identify

• Sea Urchins

Conservation Status

• DSE Advisory List : Not listed
• EPBC Act 1999 : Not listed
• IUCN Red List : Not listed