Flabellina pedata (Montagu, 1815)
Author & date of last revision: Ian Smith on 7 August 2012
Coryphella pedata (Montagu, 1815); Eolis landsburgi Alder & Hancock, 1846;
Body (excluding appendages)
Up to 48mm long. Purple  or amethyst/violet , slightly translucent. Sexually mature and pale blobs of ovotestis visible  at 16mm length. No surface markings.
May conceal parts of body, but mostly exposed. Arranged in groups on each side of the body. Translucent purple or amethyst revealing carmine digestive gland . Distal band of white surface pigment.
Wrinkled. Purple or amethyst with white surface pigment distally .
Purple or amethyst oral tentacles with white surface pigment distally .
Sickle blade shaped grey propodial tentacles .Sole translucent white medially, with wide peripheries tinted purple or amethyst. Anterior tinted grey.
No other British species of aeolid has a violet or purple body.
Ecology and behaviour
LWS rocky shores and offshore. On or near its prey; Eudendrium (sp. uncertain) (EML) and possibly some other hydroids. Hermaphrodite. Thin white spiral of spawn among Eudendrium. Veliger larvae drift as plankton for about two weeks before settling on the sea floor and transforming into the adult form. Breeds May to September.