Okenia atkinsonorum
Underwater Photography of the nudibranch Okenia atkinsonorum by New Zealand Photojournalist and Underwater Photographer Richard Robinson
Order: Nudibranchia
Suborder: Doridina
Superfamily: Anadoridoidea
Family: Goniodorididae
Distribution: Poor Knights Islands
Occurrence: Uncommon in NZ
Size: 12mm
Food: Bryozoans