Common in Solitary Islands Marine Park. Distributed throughout the Indo-Pacific region. In Australia found throughout tropical northern regions of Australia, the Gulf of Carpentaria, the Great Barrier Reef in Queensland south to southern New South Wales.
Benthic deposit feeder, usually buried in sand during daylight hours. Depth to at least 60 m.
Possibly common in sandy substrate but rarely seen as it remains buried during daylight hours. Colour may vary from pale to cream with brown markings. Specimen in photograph about 80 mm long.
Neville Coleman, Sea Stars. Echinoderms of the Asia/Indo-Pacific. Neville Coleman's Underwater Geographic Pty Ltd, 2007. p.97.
Atlas of Living Australia website at https://bie.ala.org.au/search?q=maretia+planulata. Accessed 11/10/2018.