Polycera sp. 2.
Order: NUDIBRANCHIA
Suborder: DORIDINA
Family: Polyceridae
Subfamily: Polycerinae
PHOTO
Kerama Is, near Okinawa, Japan, 3-8m. 4.5 to 5mm long, June 1999. PHOTO: Atsushi Ono.
See Atsushi Ono's message below.