Possibly seasonally common in the Solitary Islands Marine Park. Known from the Indo-Pacific region generally, on the east coast of Australia south to at least Coffs Harbour.
Specimen pictured photographed in a rockpool. Known to tolerate silty conditions.
Colour variable, especially specimens from the northern Indo-Pacific region where the background colour may be quite pale. Characterised by numerous black spots with diffuse white borders. Believed to feed on sponges. Grows to at least 50 mm.
Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.164.
Australian Museum, Sea Slug Forum. http://www.seaslugforum.net/find/dendgutt. Accessed 24/07/18.