Common throughout the Solitary Islands Marine Park. Found in waters around Australia, including Tasmania. Recorded from South Africa, Madagascar, Marshall and Gilbert Islands and Indo - West Pacific region generally.
Frequents both shallow and deep reefs, has been recorded out in the open as well as under rocks. Depth to at least 1450 m.
Only a single species of this Genus known from shallow Australian waters. Pattern and colouration may vary widely, reds and browns predominate. Disc diameter 35 mm, arm length up to 140 mm.
Neville Coleman, Sea Stars. Echinoderms of the Asia/Indo-Pacific. Neville Coleman's Underwater Geographic Pty Ltd, 2007. p67.
Atlas of Living Australia website at https://bie.ala.org.au/search?q=ophiomyxa+australis. Accessed 11/10/2018.