Flattened, translucent cerata, broadest at base.
1: slight white freckling, whitish beige digestive gland and apical opaque white cnidosac clearly visible. Length 19 mm. Outer Hebrides, Scotland. April 2018. Leg. S. Taylor.
2: intense white freckling conceals cnidosacs and much of pinkish brown digestive gland. Length 70 mm. Outer Hebrides, Scotland. April 2018. Leg. S. Taylor.
3: transparent with faint whitish freckling, reddish pink digestive gland very clearly visible. From specimen like that in image 10. In pool with Actinia equina, south Devon, England. April 2021. © C. Bryan.