Flattened pentagonal shape with five short arms (less than width of central disc), with obtusely rounded webbed divisions between each arm. Aboral surface colour variable, brown to blue-green, with patches of red.
Inshore temperate to subantarctic areas including Norfolk and Lord Howe Islands, from Currumbin, Qld south to Tasmania and west to Spencer Gulf, SA; South Africa; Amsterdam and St Paul Islands. Littoral.
Australian Museum registration database records for the Sydney region:
Pittwater (Towlers Bay); Long Reef; Manly (Fairy Bower; Shelley Beach); Port Jackson (Spit Bridge; Chowder Bay; Watsons Bay; Shell Cove; Shark Island; Fairlight); Coogee. Depth range 0-2 m.
Taxonomic information - synonyms and type material:
Asterias exigua Lamarck, 1816: 554.
Type data: neotype TM H508.
Type locality: False Bay, South Africa.
Asterina krausii Gray, 1840: 289.
Type data: syntypes BMNH 1840 11.25.1, BMNH 18220.127.116.11.
Type locality: Cape of Good Hope, South Africa.