31 Goniodoris castanea

31 Goniodoris castanea

G. castanea and a spiral ribbon of its spawn attached by its edge to the ascidian prey.
Left: gills are thickset basally so the tripinnate structure is often only discernible distally.
Sublittoral, Oosterschelde, Nederland. © R. Groeneveld ( www.diverosa.com/ ).