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Sharm El Sheikh, Egypt
A female scuba diver looking at a large Palmate sea fan (Leptogoria palma) with a colony of Tubular hydroids (Tubularia warreni) growing on it underwater
Plate LPS Coral
Waigeo island, Raja Ampat, West Papoua, Indonesia
Red Sea Fan in Kume Island.
Clownfish sheltering in an anemone while snorkelling a coral reef
Diploria is a monotypic genus of massive reef building stony corals in the family Mussidae. Diploria labyrinthiformis, commonly known as grooved brain coral
Balanophyllia elegans, the orange coral or orange cup coral, is a species of solitary cup coral, a stony coral in the family Dendrophylliidae. An azooxanthellate species, it does not contain symbiotic dinoflagellates in its tissues. Monterey Bay, California.
Detail of Red Coral
Sea life  Orange  coral from scuba diver point of view
Red Sea migrant sea urchins on Turkey's Aegean coast
Sea urchin shells of various colours
sea bottom with fish and algae as a background
Underwater nature background of healthy coral garden reef ecosystem in natural sun light. Great Barrier Reef, Queensland, Australia.
Organic texture of Red Sea Fan or Gorgonia coral (Annella mollis)
Anthopleura xanthogrammica, or the giant green anemone, is a species of intertidal sea anemone of the family Actiniidae. Other  names for this anemone include green surf anemone, giant green sea anemone, green anemone, giant tidepool anemone, anemone, and rough anemone.  Salt Point State Park, California.
Aerial view Great Barrier Reef from sky out of air plane in Australia
Scuba diving. Beautiful sea life. Underwater scene  at coral reef (  Prickly alcyonarian, finger coral,  Fire sponge ) . School of red sea fish ( scalefin anthias ). Pseudanthias squamipinnis .
Caribbean coral reef off the coast of the island of Roatan, Honduras
Image of the stunning gorgonian sea fan and the butterflyfish at the Big Drop Off (Ngemelis Wall) in Palau, Micronesia
Corals in the form of tentacles on a reef.
Yellow Feather star ( Crinoid ) - Sea lily on Maldives
Sea snail prickly spotted drupe or whitetoothed drupe (Drupa ricinus) undersea, Red Sea, Egypt, Sharm El Sheikh, Nabq Bay
Diadem sea urchin (Astropyga pulvinata) in the sea of Cortez (Mexico)
Coral bleaching occurs when corals expel their symbiotic algae, known as zooxanthellae, due to stress caused by factors such as high water temperatures, pollution, or ocean acidification. This leads to the corals losing their vibrant colors and becoming pale or white. Without the zooxanthellae, the corals are more vulnerable to disease and may ultimately die. Coral bleaching is a major concern for coral reefs around the world, as it can have a devastating impact on the entire marine ecosystem that relies on these important structures.
The color of Gorgonian Seafan Annella mollis varies and ranges from cream-colored to pink and orange. The close-meshed skeleton of the species in the family Subergorgiidae consists of fused sclerites and gorgonin, so it is extraordinarily flexible and thus perfectly adapted to strong currents. This white specimen, unusual for that region, is bleached. A lot of small fishes, mainly Anthias and Damselfishes are there. Palau, Micronesia, 6°59'10.52 N 134°13'7.34 E at 32m depth
red coral
A school of fish plays in the coral maze.
Underwater photo of Purple Sea Urchin in natural habitat the sea with yellow coral in background. Blue sea
Salad Coral.  Sea life  Macro, close up. Soft Coral reef  Underwater photo Scuba Diver Point of View Red sea
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