Dark brown-red pigment on lower part of mesial face of ceras (1). Blackish-red spheroid (2) in tubercles.
Dense white granules in distal half of rhinophore (3).
Rim of rhinophore sheath most dilated at anterior (4).
Cerata re-growing to replace lost ones (5).
Anal papilla (6).
Specimen was found on Hydrallmania falcata, the hydroid prey of D. hydrallmaniae.