PORT PHILLIP BAY


Sea Urchin 

Holopneustes porosissimus Agassiz, 1846

View scientific description and taxonomy

Scientific Details

See below for information.

Taxonomy

Phylum:
Echinodermata
Class:
Echinoidea
Order:
Temnopleuroida
Family:
Temnopleuridae
Genus:
Holopneustes
Species:
porosissimus

General Description

This spherical sea urchin has bright red tipped spines. The colour of the test is green-grey and the surface is densely covered with secondary tubercles with the poriferous zones haphazardly distributed. It is distinguished from the other species in its genus group by having ambulacra wider than the interambulacra. Test diameter up to 8 cm.

Biology

This spherical sea urchin is the largest species in its genus group. It is common in shallow waters.

Habitat

Amongst kelp, to depth of 6 m.

Reefs

Coastal shores

Distribution guide

Southern Australia, excluding Tasmania.

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

Species Code

MoV 3428

Identify

Conservation Status

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

Author

article author Miskelly, A.

Ashley Miskelly is a Consultant with expertise in echinoid taxonomy

citation

Cite this page as:
Miskelly, A., 2011, Sea Urchin, Holopneustes porosissimus, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 17 Aug 2017, http://portphillipmarinelife.net.au:8098/species/6596

Text: creative commons cc by licence