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The Nudibranch Tryon's Hypselodoris Hypselodoris tryoni (ex. Risbecia tryoni) occurs in the tropical Indo-Pacific Ocean from Tanzania to the Society Islands and Indonesia to Japan and the Philippines, max. length 10cm. This species, like all the members of the order Nudibranchia, are simultaneous hermaphrodites with this mating behavior: Both individuals darts their penis toward each other to induce one to act as a male and the other as the female. The victorious one to penetrate the body wall is the dominant male. \nThis specimen was encountered in the Lembeh Strait, Indonesia. \n1°27'39.69 N 125°14'33.342 E at 17m depth
Gloom Nudibranch
Sea Life. Nudibranch is a member of Nudibranchia, a group of soft-bodied, marine gastropod mollusks which shed their shell after their larval stage.  Very shallow DOF. Macro (close-up)
Macro underwater photography in Anilao in the Philippines
A supermacro photo of Anna's Chromodoris, or Chromodoris annae at a tropical coral reef in the Philippines.
Flabellina affinis, underwater shot.
Philippines PG Island - Close-up of underwater creatures
Underwater photography of tropical reef  species in Papua New Guinea
Goniobranchus coi is a species of very colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
Bullock's Hypselodoris Hypselodoris bullockii occurs widespread in the tropical Indo-West Pacifix, max. length 7cm. \nThis Sea Slug or dorid nudibranch has been mistaken for at least eight other species. \n\nThis specimen was encountered in the Lembeh Strait, Indonesia\n1°27'38.166 N 125°13'34.284 E at 18m depth
flabellina nudibranch underwater macrophography in Ambon indonesia
Yellow nudibranch eggs.  Close up Abstract.  Exploring and enjoying Beautiful Sea Life macro .  Underwater scene at clear mediterranean sea.  Scuba diver point of view. Greece Europe. Underwater photography. Photographed with Nikonos V, 35mm lens Macro 1:1 (real size 24x36mm) on Fujichrome Velvia 50
under sea photo
Colorful sea cucumber-like corals.
BLACKSPOT NUDIBRANCH
A tiny nudibranch nicknamed the “sea bunny,” Jorunna parva, crawls delicately across the reef bed in Thai coastal waters. Its rabbit-like appearance, with ear-like rhinophores and a soft furry texture, makes it a favorite among macro underwater photographers. Captured in vivid detail in the warm tropical sea, showcasing rare and adorable marine life.
Gabriela's Tambja, Dorid Nudibranch
Costasiella usagi, also known as the rabbit sea slug, is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Costasiellidae. It is notable for its ability to incorporate chloroplasts from the algae it eats into its own tissues, allowing it to photosynthesize. This makes Costasiella usagi one of only a few animals known to be able to perform photosynthesis.\n\nCostasiella usagi is a small sea slug, typically measuring only a few millimeters in length. It has a translucent body with a white or cream-colored head and foot. The cerata, or \
Spanish dancer - sea slug in Red Sea near Marsa Alam by night, Egypt
Abstract. Sea life Nudibranch Underwater beauty Scuba diver point of view
Eye level with Anna's Nudibranch (Chromodoris annae). Photographed in Lembeh Strait, Indonesia.
The dorid nudibranch Goniobranchus coi (former Chromodoris coi) occurs in the tropical Western Pacific. This specimen might be 4cm long. Kri Island, Raja Ampat, West Papua, Indonesia, 0°33'18\
The Red Sea is home to a diverse array of marine life, including the striking nudibranchs, which are soft-bodied, brightly colored sea slugs. Known for their incredible array of colors and intricate patterns, nudibranchs are a favorite subject for underwater photographers and divers exploring the region’s coral reefs.\n\nNudibranchs are gastropods, but unlike snails, they lack a protective shell. Instead, they display vibrant hues ranging from brilliant oranges, pinks, and purples to electric blues and yellows. This vivid coloration often serves as a warning to predators of their toxicity or unpalatability, though some species are harmless.\n\nIn the Red Sea, nudibranchs can be found on the reefs, where they feed on sponges, algae, or other small invertebrates. Species like the Spanish dancer, known for its large size and flowing red body, and the blue dragon (Glaucus atlanticus), with its shimmering blue hues, are particularly popular with divers. These fascinating creatures are typically found in shallow waters but can also be spotted in deeper areas of the reef.\n\nThe Red Sea's clear, warm waters and healthy coral ecosystems provide an ideal environment for these colorful creatures, making it a prime location for diving and snorkeling enthusiasts eager to discover the vibrant world of nudibranchs.
Celestial doris (Felimare orsinii) a nudibranch of the Mediterranean Sea
Two vibrant Goniobranchus coi nudibranchs rest near a sea star on a coral reef. This underwater macro shot captures the striking colors and textures of marine life, showcasing the rich biodiversity of tropical reef ecosystems. Perfect for themes related to marine biology, ocean ecology, and underwater photography
Gabriela's Tambja, Dorid Nudibranch
Two Mexichromis katalexis Nudibranchs. Ambon, Indonesia
White nudibranch eggs.  Close up Abstract.  Exploring and enjoying Beautiful Sea Life macro .  Underwater scene at clear mediterranean sea.  Scuba diver point of view. Greece Europe. Underwater photography
A blue dorid nudibranch crawls over a reef in search for food.  Shot in the cold water of California's Channel Islands.
The Sea Slug Halgerda batangas occurs in the tropical western Pacific, singly or in pairs on coral and rocky reefs amongst sand and rubble areas in 5 to 30 m depth, max. length 7 cm.  \nThe species feeds on hydroids, coral, sponges and anemones.  \nThis specimen was encountered in the Lembeh Strait, Indonesia\n1°27'15.486 N 125°13'25.578 E at 21m depth
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