Zoila venusta episema fma sorrentensis - (Schilder, 1963)
Australia. WA. off Perth. N side of Rottnest island. Dived on grey sponges in caves at 15-20m. June 2016.
F++ / 58mm
slightly irregular shape. Very high dark grey margin on one side. Good, dark colour. A tiny line under the callus, that's probably responsible for its slightly awry shape.