PORT PHILLIP BAY


Sea Urchin 

Amblypneustes pachistus Clark, 1912

View scientific description and taxonomy

Scientific Details

See below for information.

Taxonomy

Phylum:
Echinodermata
Class:
Echinoidea
Order:
Temnopleuroida
Family:
Temnopleuridae
Genus:
Amblypneustes
Species:
pachistus

General Description

The test is almost spherical in shape and usually coloured pale greenish with dark green spines. Occasionally the spines are whitish and the test colour can be darker and more patterned. Spines may grow to a length of 5 mm. Test diameter up to 6 cm.

Biology

This common species of sea urchin is variably coloured and has caused much confusion with other species in its genus group as well as the genus Holopneustes.

Habitat

Amongst algae, in shallow waters of bays, to depth of 70 m.

Reefs

Coastal shores

Distribution guide

New Zealand and southern Australia.

Species Group

Sea urchins

Depth

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

Water Column

On or near sea floor

Max Size

6 cm

Diet

Omnivore

Harmful

Spines can puncture skin. Venom status unknown.

Commercial Species

No

Global Dispersal

Recorded in Australia

Species Code

MoV 3845

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, Amblypneustes pachistus, in Taxonomic Toolkit for marine life of Port Phillip Bay, Museum Victoria, accessed 23 Nov 2017, http://portphillipmarinelife.net.au:8098/species/7727

Text: creative commons cc by licence