Head on view showing cerata on an aeolid nudibranch, Pteraeolidia ianthina, in Komodo National Park, Indonesia.

aeolidida aeolidiidae facelinidae indo pacific ocean indonesia komodo island lesser sunda islands pteraeolidia ianthina southeast asia aeolid nudibranch animal animal themes animals in the wild aquatic biodiversity cerata close up color image day front view gastropod invertebrate marine biology mollusk nature no people nudibranch one animal opisthobranch outdoors photography rhinophore sea sea life sea slugs selective focus tropical climate undersea underwater vertical wildlife zoology