Pink Dorid Nudibranch (Chromodoris bullocki). Also known as Sea Slug. Bali, Indonesia © Gary Bell / OceanwideImages.com
Spanish Dancer Nudibranch (Hexabranchus sanguineus) in swimming mode. Also known as Sea Slug. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris kuiteri) - pair on Sponge. Also known as Sea Slugs. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha rutilans). Also known as Sea Slug. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Nudibranch (Hypselodoris bennetti) - mating pair. Also known as Sea Slug. Found in Eastern Australia, especially around Sydney. Photo taken at Nelson Bay. © Gary Bell / OceanwideImages.com
Pink Dorid Nudibranch (Chromodoris bullocki). Also known as Sea Slug. Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha kubaryana). Also known as Sea Slug. Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris coi). Also known as Sea Slug. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Many-petalled Nudibranch (Cyerce nigricans) on sea grass. Also known as Sea Slug. Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Blue Dragon (Glaucus atlanticus), also known as Sea Swallow, Blue Angel and Blue Glaucus, feeding on the stinging tentacles of a Drifting Siphonophore, Blue Button Jellyfish (Porpita porpita). Coffs Harbour, New South Wales, Australia. Eastern Australia © Gary Bell / OceanwideImages.com
Nudibranch (Ceratosoma amoenum). Also known as Sea Slug. Found throughout New Zealand, Southern and Eastern Australia. © Gary Bell / OceanwideImages.com
Spanish Dancer Nudibranch (Hexabranchus sanguineus) - swimming in mid water. Found throughout the Indo-Pacific. Photo taken at Lord Howe Island, New South Wales, Australia © Gary Bell / OceanwideImages.com
Spanish Dancer Nudibranch (Hexabranchus sanguineus) - swimming in mid water. Found throughout the Indo-Pacific. Photo taken at Lord Howe Island, New South Wales, Australia © Gary Bell / OceanwideImages.com
Nudibranch (Ceratosoma brevicaudatum) - on a sea sponge. Found from Houtman Abrolhos, WA, to Cape Byron, NSW, including Tas, Australia © Gary Bell / OceanwideImages.com
Flabellina Nudibranch (Flabellina poenicia). Nelson Bay, New South Wales, Australia © Gary Bell / OceanwideImages.com
Electric Swallowtail (Chelidonura varians). A type of Sea Slug found throughout the Indo-Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Ribbon egg clusters of the nudibranch Spanish Dancer Nudibranch (Hexabranchus sanguineus). Found throughout the Indo-Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Blue Dragon (Glaucus atlanticus), also known as Sea Swallow, Blue Angel and Blue Glaucus, feeding on the stinging tentacles of a Drifting Siphonophore, Blue Button Jellyfish (Porpita porpita). Photo taken at Coffs Harbour, New South Wales, Australia © Gary Bell / OceanwideImages.com
Pink Dorid Nudibranch (Chromodoris bullocki). Found throughout the Indo-Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Pink Dorid Nudibranch (Chromodoris bullocki) - pair. Found throughout the Indo-Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Pink Dorid Nudibranch (Chromodoris bullocki). Found throughout the Indo-Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Melibe fimbriata). This large bizarre looking nudibranch resembles a mass of algae, reaching more than 200 mm in length. Found throughout the Indo-Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia. Known as part of the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Flabellina exoptata) on a Sea Tunicate (Rhopalaea sp.). Found throughtout Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium crypticum). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris kuiteri) - pair on Sponge. Found in South-West Pacific, including Australia and Coral Sea. Photo taken on Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium kabiranum). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Many-petalled Nudibranch (Cyerce nigricans). Found throughout the Indo-West Pacific. Photo taken at the Solitary Islands, Coffs Harbour, New South Wales, Australia © Gary Bell / OceanwideImages.com
Sacoglossan (Elysia ornata). Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris willani). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Hypselodoris purpureomaculosa). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Glossodoris cincta). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Halgerda batangas). Found throughout Indo-Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Flabellina exoptata). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Phyllidia ocellata). Found throughout Indo-West Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris sp.). Found throughout Indo-West Pacific. Photo taken Lord Howe Island, New South Wales, Australia © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris fidelis). Found throughout Indo-Pacific. Photo taken Lembeh Strait, Sulawesi, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris coi). Found throughout Indo-West Pacific. Photo taken Great Barrier Reef, Queensland, Australia © Gary Bell / OceanwideImages.com
Nudibranch (Favorinus tsuruganus). Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Mexichromis multituberculata). Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha kubaryana) on a Sea Tunicate. Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.) on a gorgonian coral. Also known as Seafan Slug. Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha cristata). Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha kubaryana). Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha kubaryana). Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha cristata). Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
Nudibranch (Nembrotha kubaryana) - mating pair. Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia © Gary Bell / OceanwideImages.com
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