Arminidae: Dermatobranchus rubidus (Gould, 1852) (‘beautiful sea-slug’)
Synonym(s): rubidus Gould, 1852.
Typical body-length 30 mm. Lives subtidally on rocks. Native. Occurs in southeastern Australia (TAS and VIC); also New Zealand and elsewhere in the southwest Pacific Ocean.
Order: Cladobranchia – Euarminida