Distribution: Uncommon in the Solitary Islands Marine Park. Reported from Hawaii and the Philippines, probable distribution throughout the Indo-Pacific. In Australia also recorded from Brunswick River region in northern New South Wales and Lord Howe Island.

Ecological Notes: Habitat intertidal to shallow subtidal rocky reef, sometimes under rocks. Feeds on encrusting sponge Leucetta sp.

Additional Notes: Colour may vary according to the colour of the sponge food source. Rarely encountered due to its cryptic colouration and small size, growing only to around 5mm in length.

References: Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.89.

Matt J. Nimbs, Stephen D.A. Smith, An Illustrated Inventory of the Sea Slugs of New South Wales, Australia (Gastropoda: Heterobranchia). The Royal Society of Victoria, 128, 44-113, 2016 10.1071/RS16011. CSIRO Publishing. p.63.