Discodorididae: Paradoris dubia (Bergh, 1904) (‘doubtful sea-lemon’)

Synonym(s): dubia Bergh, 1904 egena Bergh, 1904 marmorata Basedow & Hedley, 1905 nivosus Burn, 1958 leuca Miller, 1995.
Typical body-length 35 mm. Lives subtidally and offshore on sponges, on which it feeds. Native. Occurs in southeastern and southwestern Australia (NSW, TAS, VIC, SA and WA); also New Zealand.