Thordisa albomacula has an irregularly notum with variably papillae. The colour varies from cream to violet-brown.
This species have a short white band from the gills to the rhinophores.
Juvenile have a smoother body and may have marginal white spots.
Thordisa albomacula can be found in shallow water (1,50 m) in rocky habitats, and inseldom in Halimeda kanaloana beds at about 6 m.
The colour of the egg masses range from orange to pink.
Biota > Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterobranchia (Subclass) > Opisthobranchia (Infraclass) > Nudibranchia (Order) > Euctenidiacea (Suborder) > Doridacea (Infraorder) > Doridoidea (Superfamily) > Discodorididae (Family) > Thordisa (Genus) > Thordisa albomacula (Species)