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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)
Gloom 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 \
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
A blue dorid nudibranch crawls over a reef in search for food.  Shot in the cold water of California's Channel Islands.
Colorful sea cucumber-like corals.
Macro underwater photography in Anilao in the Philippines
Underwater photography of tropical reef  species in Papua New Guinea
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)
BLACKSPOT NUDIBRANCH
Goniobranchus kuniei is a species of  sea slug, a dorid nudibranch, in the family Chromodorididae. Goniobranchus kuniei has a splash of dark spots turning to pale blue on a golden mantle. There is a double border to the mantle of purple and blue. The length of this seaslug can be up to 40 mm.
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
under sea photo
Celestial doris (Felimare orsinii) a nudibranch of the Mediterranean Sea
Eye level with Anna's Nudibranch (Chromodoris annae). Photographed in Lembeh Strait, Indonesia.
Gabriela's Tambja, Dorid Nudibranch
A Nembrotha chamberlaini viewed from an artistic angle. It is a very colorful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae
Abstract. Sea life Nudibranch Underwater beauty Scuba diver point of view
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.
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
flabellina nudibranch underwater macrophography in Ambon indonesia
Illuminated Blue striped nudibranch on coral reef against a dark background
Gabriela's Tambja, Dorid Nudibranch
Two Mexichromis katalexis Nudibranchs. Ambon, Indonesia
Sea life, close up, macro   Beautiful Purple - hot pink and  yellow   Nudibranch. Underwater beauty Scuba diver point of view. Underwater photo. Underwater scene Underwater photography. Photographed with Nikonos V, 35mm lens Macro 1:1 (real size 24x36mm) on Fujichrome Velvia 50
Beautiful nudibranch making its way across healthy coral reef
Chromodoris annae occurs in the tropical Indo-West Pacific from Malaysia to Marshall Islands in a depth range from shallow to 30m. \nLike all the Chromodorididae family members Chromodoris annae is a spongivore. The maximum length of Chromodoris annae is reported differently across various sources from 2 to 9cm. The variation in reported sizes can be due to individual growth differences, regional populations, or measurement methods. A total length of 5 to 6cm is likely for this specimen encountered in the Lembeh Strait, Indonesia. \n1°29'2.448 N 125°14'23.55 E at 18m depth
A couple of sea slugs - Trapania scurra (feeding on entoprocts). Underwater macro world of Tulamben, Bali, Indonesia.
Fethiye, Turkey
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