Not common in the Solitary Islands Marine Park. Known from eastern Australia, Moreton Island in Queensland south to Ulladulla in southern New South Wales, and including Norfolk and Lord Howe Islands.
Prefers deeper water, offshore reefs. Depth from 15 to 77 m.
Five long plain red-brown arms, with yellow papulae. One of the rarer large seastars, grows to about 140 - 150 mm.
Graham J. Edgar. Australian Marine Life, 2nd Edition, 2008. Reed New Holland Publishers. pp.395-6.
Neville Coleman, Sea Stars. Echinoderms of the Asia/Indo-Pacific. Neville Coleman's Underwater Geographic Pty Ltd, 2007. p.23.