D. dunnei Lemche, 1976.
Hydroid prey Kirchenpaueria pinnata. 1: polyp colony with scale. 2: magnified hydrothecae. 3: magnified gonothecae. Stem is white. Plate LXV, modified, Hincks (1868).
The body of D. dunnei is heavily mottled with red pigment. No subepidermal red or brown pigment in mesial face of cerata (4). Four concentric rings of rounded tubercles and partial fifth at base (5), can have up to six or seven. Each tubercle has a dark red to black apical spheroid and a few white granules (6). The cerata have numerous irregular dark red to black spots on the surface (7). Menai Strait, Wales. 2017. Leg. © P. Brazier, det. B. Picton.