Flattened with seven to nine (usually eight), distinct, short arms (less than width of central disc), with acutely rounded webbed divisions between each arm. Aboral surface with minute scale-like apprearance, colour variable, including purple, green, white, yellow, orange, red, brown and grey.
Temperate inshore areas from Currumbin, Qld south to Tasmania and west to Albany, WA. Depth range 0-3 m.
Australian Museum registration database records for the Sydney region:
Mona Vale; Long Reef; Manly (Shelly Beach); Port Jackson (Balmoral; Green Point); Tamarama (Mackenzie’s Bay); Coogee; Maroubra; Botany Bay. Depth range not recorded but occurs intertidally.
Rock pools, sheltered reefs, mid intertidal.
Taxonomic information - synonyms and type material:
Asterias calcar Lamarck, 1816: 557.
Type data: type status and whereabouts unknown.
Type locality: Australian seas (Dartnall, 1971).
Links for further information:
Clark (1946); Dartnall (1971); Edgar (1997); O’Loughlin & Roy (2004).