Aeolidiella oliviae
MacFarland, 1966

Family: Aeolidiidae


Known  from sothern California to Baja California, Mexico


Locality: Redondo Beach, 21 metres, California, USA, Pacific Ocean, 14 July 2007, wreck. Length: 12 mm. Photographer: Jim Lyle.

Body translucent with a cream colouration on the back, sometimes with an orange blotch on the head and another over the pericardium. The cerata and rhinophores are orange with a white or whitish tips. According to MacFarland, the most striking feature are the rhinophores "attracting attention in the tide pools by their brilliancy". The oral tentacles are long, and their outer half is opaque white. The anterior edge of the foot is also opaque white and extends out on each side as tentacular foot corners.

This species feeds on sea anemones and grows to about 20 mm in length.

Authorship details
Rudman, W.B., 2007 (July 20) Aeolidiella oliviae MacFarland, 1966. [In] Sea Slug Forum. Australian Museum, Sydney. Available from