Distribution: Common throughout the Solitary Islands Marine Park. Endemic to Australia. Distributed around southern Australia from Shark Bay to southern Queensland and around Tasmania.

Ecological Notes: Prefers shallow sheltered waters where it feeds on a variety of sponges and bryozoans. Depth to 160 m.

Additional Notes: Various shades of dark to light red with white netted appearance, slightly longer arm length and raised dorsal plates in southern Western Australian specimens. Grows to about 110 mm.

References: Neville Coleman, Sea Stars. Echinoderms of the Asia/Indo-Pacific. Neville Coleman’s Underwater Geographic Pty Ltd, 2007. pp.25-6.

Atlas of Living Australia website at https://bie.ala.org.au/search?q=pentagonaster+dubeni. Accessed 12/10/2018.