Nudibranch (Platydoris cruenta). Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken in Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Possibly: Pleurobranchus sp.) - laying an egg ribbon. Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken in Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris reticulata). Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken in the Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Hoplodoris estrelyado). Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken in Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Hoplodoris estrelyado). Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken in Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Hoplodoris estrelyado). Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken in Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Mexichromis multituberculata), laying an egg-ribbon. Found throughout the Indo-West Pacific. Photo taken at Tulamben, Bali, Indonesia. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Melibe sp.). This bizarre looking nudibranch resembles a mass of algae, reaching more than 200 mm in length when mature. Found throughout the Indo-West Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Melibe sp.). This bizarre looking nudibranch resembles a mass of algae, reaching more than 200 mm in length when mature. Found throughout the Indo-West Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.). Also known as Sea Slug. Found throughout Indonesia and Philippines. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.). Also known as Sea Slug. Found throughout Indonesia and Philippines. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.). Also known as Sea Slug. Found throughout Indonesia and Philippines. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.). Also known as Sea Slug. Found throughout Indonesia and Philippines. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Phyllodesmium sp.). Also known as Sea Slug. Found throughout Indonesia and Philippines. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris albopunctata). Also known as Sea Slug. Found throughout the Indo-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris magnifica). Also known as Sea Slug. Found throughout the West-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Halgerda batangas). Also known as Sea Slug. Found in the Philippines and Indonesia to Qld, Australia, PNG & Fiji. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Halgerda batangas). Also known as Sea Slug. Found in the Philippines and Indonesia to Qld, Australia, PNG & Fiji. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Phyllidiella granulata). Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Ribbon egg clusters of the Spanish Dancer Nudibranch (Hexabranchus sanguineus). Found throughout the Indo-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Side-gilled Slug (Euselenops luniceps). Found throughout the Indo-West Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris willani). Also known as Sea Slug. Found throughout the West-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Hypselodoris bollandi), laying an egg cluster. Also known as Sea Slug. Found throughout the West-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris kunei). Also known as Sea Slug. Found throughout the West-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris kunei). Also known as Sea Slug. Found throughout the West-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris annae). Also known as Sea Slug. Found throughout the West-Pacific. Photo taken off Anilao, Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Melibe viridis), juvenile. Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Notodoris minor). Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Melibe viridis), juvenile. Also known as Sea Slug. Found throughout the Indo-West Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Ardeadoris egretta). Also known as Sea Slug. Found throughout the West Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch, or Sea Slug (Risbecia tryoni), with Commensal Shrimp (Periclimenes imperator). Found throughout the Indo Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch, or Sea Slug (Risbecia tryoni), with Commensal Shrimp (Periclimenes imperator). Found throughout the Indo Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch, or Sea Slug (Risbecia tryoni), with Commensal Shrimp (Periclimenes imperator). Found throughout the Indo Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch, or Sea Slug (Risbecia tryoni), with Commensal Shrimp (Periclimenes imperator). Found throughout the Indo Pacific. Photo taken at Milne Bay, Papua New Guinea. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Ceratosoma amoenum). Also known as Sea Slug. Found throughout New Zealand, Southern and Eastern Australia. © Gary Bell / OceanwideImages.com
Nudibranch or Sea Slug (Polycera hedgpethi), mating pair. Found on sheltered coastal reefs throughout the Indo-Pacific and Atlantic Oceans. Photo taken in Port Phillip Bay, Victoria, Australia. © Gary Bell / OceanwideImages.com
Nudibranch or Sea Slug (Phyllodesmium serratum). Found throughout the Indo-Pacific. Feeds on soft corals. Photo was taken in Port Phillip Bay, Victoria, Australia. © Gary Bell / OceanwideImages.com
Tambja Nudibranch (Tambja verconis). Found throughout southern WA to central NSW, including Tas, Australia. Also New Zealand. Photo taken in Port Phillip Bay, Mornington Peninsula, Vic, Australia. © Gary Bell / OceanwideImages.com
Tambja Nudibranch (Tambja verconis). Found throughout southern WA to central NSW, including Tas, Australia. Also New Zealand. Photo taken in Port Phillip Bay, Mornington Peninsula, Vic, Australia. © Gary Bell / OceanwideImages.com
Tambja Nudibranch (Tambja verconis). Found throughout southern WA to central NSW, including Tas, Australia. Also New Zealand. Photo taken in Port Phillip Bay, Mornington Peninsula, Vic, Australia. © Gary Bell / OceanwideImages.com
Tambja Nudibranch (Tambja verconis). Found throughout southern WA to central NSW, including Tas, Australia. Also New Zealand. Photo taken in Port Phillip Bay, Mornington Peninsula, Vic, Australia. © Gary Bell / OceanwideImages.com
Tambja Nudibranch (Tambja verconis). Found throughout southern WA to central NSW, including Tas, Australia. Also New Zealand. Photo taken in Port Phillip Bay, Mornington Peninsula, Vic, Australia. © Gary Bell / OceanwideImages.com
Nudibranch (Verconia verconis), living and feeding on Sea Sponge (Aplysilla rosea), which it closely mimics. Found in sheltered and moderately exposed reefs throughout southern Australia. Photo taken at York Peninsula, South Australia, Australia. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris annae), preparing to mate. Also known as Sea Slug. Found throughout the West Pacific, including Philippines, Indonesia and Papua New Guinea. Photo taken in the Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris annae), preparing to mate. Also known as Sea Slug. Found throughout the West Pacific, including Philippines, Indonesia and Papua New Guinea. Photo taken in the Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris annae), preparing to mate. Also known as Sea Slug. Found throughout the West Pacific, including Philippines, Indonesia and Papua New Guinea. Photo taken in the Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris annae), preparing to mate. Also known as Sea Slug. Found throughout the West Pacific, including Philippines, Indonesia and Papua New Guinea. Photo taken in the Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
Nudibranch (Chromodoris annae), preparing to mate. Also known as Sea Slug. Found throughout the West Pacific, including Philippines, Indonesia and Papua New Guinea. Photo taken in the Philippines. Within the Coral Triangle. © Gary Bell / OceanwideImages.com
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