Picture details
Genus Prostheceraeus
Species moseleyi
Authority Lang, 1884
Family Euryleptidae
Order Polycladida
Location Asturias, North of Spain
Length about 25 mm (estimated)
PHOTO © Copyright Ricardo Roberto Gernandez, Spain
Comments P. moseleyi is attacking a couple of Clavelina lepadiformis, a quite common tunicate that obviously it is feeding on.