Nudibranch on coral, Papua New Guinea, Pacific

algae animal markings animal themes animals in the wild aquatic bumpy color image detail dorsum extreme close up gastropod horizontal indo pacific ocean invertebrate kimbe bay living organism magnification marine biology mollusk natural patterns nature new britain no people nudibranch one animal opisthobranch orange outdoors papua new guinea photography phyllidia ocellata phyllidiidae reef science sea sea life sea slugs species spotted tropical climate tubercle underwater vibrant vitu islands warty sea slugs white wildlife yellow zoology