Luidia australiae - (J.24708) aboral surface Click to enlarge image
Luidia australiae - (J.24708) aboral surface Image: R.Springthorpe
© Australian Museum

Fast Facts

  • Classification
  • Size Range
    Width to 400 mm


One of the largest species in the Sydney region, characterised by seven flexible arms that may reach 200 mm in length, tapering to a point, and that are fringed by small, fine spines. Small, granular, square or polygonal plates cover the aboral surface which ranges from pale to dark colours and may be mottled, including yellow, grey, green and black.Tube feet ending in a rounded knob rather than a sucker


Temperate inshore and continental shelf areas from Moreton Bay, Qld, south to Tasmania and west to Dongara, WA; Lord Howe Island. Depth range 0-110 m.

Australian Museum registration database records for the Sydney region:

20-30.5 kms off Long Reef; Port Hacking (Gunnamatta Bay). Depth range 146 m.


Sheltered areas including seagrass, sand, silt. May bury in sediment.

Taxonomic information - synonyms and type material:

Luidia australiae Döderlein,1920: 266.
Type data: holotype (whereabouts undetermined).
Type locality: Cockburn Sound, WA.

Links for further information:

Atlas of Living Australia

World Register of Marine Species

Additional references:

Clark (1946); Edgar (1997).