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Underwater view of red beadlet anemone, Mediterranean sea, Corsica, France
Dendronephthya Soft Coral and Orange Cup Coral Tubastraea coccinea dominate the scenery at this colorful rock overhang. But there are Feather Star Fishes, Sponges and Colonial Ascidians too and a lot of Anthias and Damselfishes inbetween. \nIn the background there are Wrasses, Breams, Parrotfishes, Surgeonfishes and Butterflyfishes, a high biodiversity.\nTubastraea coccinea, a large-polyp stony coral, is not a reef building species. The coral extends beautiful translucent tentacles at night and in daytime on sunprotected areas of the reef like on this rock overhang. Tubastraea coccinea does not contain zooxanthellae in its tissues as many tropical corals do, allowing it to grow in complete darkness as long as it can capture enough food. \nTriton Bay, Westpapua, Indonesia 3°57'58.68 S 134°9'6.27 E at 9m depth
Orange cup coral,Tubastraea coccinea,belongs to a group of corals known as large-polyp stony corals
Sea life Salp and Orange Gorgonian coral from scuba diver point of view
Deep water mushroom soft coral, Heteropolypus ritteri is a genus of soft corals in the family.  Monterey Bay, California. Alcyoniidae.
Close view of sea anemone in Oregon Coast Aquarium's \
macro coral red soft
Green tree coral (Tubastrea micranthus) in the marine protected area of Aliwal Shoal on the east coast of South Africa.
Close up showing the intricate detail of coral in the Red Sea, Egypt
Sun Coral Tubastraea faulkneri is a large polyp stony coral from the family Dendrophyliidae. The species occurs all over the tropical Indo-Pacific Ocean in a wide depth range of 3-225 meters, often in greater densities on vertical walls and caves. \nThese corals are slow growers and they do not contribute to coral reef development. Unlike many tropical corals, they are azooxanthellate or non-photosynthetic, meaning that they do not live in symbiosis with zooxanthellae in their tissues, allowing them to grow in complete darkness as long as they can capture enough food, usually plankton. \nThey extend their translucent tentacles like these specimen during the late evening and the night, while during the day the tentacles are completely withdrawn. \nTriton Bay, West Papua Province, Indonesia, 3°54'2.454 S 134°6'23.7 E at 14m depth
A brightly colored Cup coral colony, Tubastrea sp., grows in Raja Ampat, Indonesia. This equatorial area is known as the heart of the Coral Triangle due to its incredible marine biodiversity.
Mushroom leather coral,  Coral reef  soft coral Scuba diving  Underwater Sea life  \ncorals propagated
Red coral Coralium rubrum
Munida quadrispina is a species of squat lobster. The claws, chelipeds, are exceptionally long. There are small spines on the chelipeds. Monterey Bay, California.
An underwater image of a yellow sponge
Underwater photography of tropical reef  species in Papua New Guinea
Lampreys are primitive fish devoid of jaw and parasitic habits. In the mouth, it is disc-shaped and functions as a suction cup.
Knotted Fan Coral Melithaea ochracea occurs in the tropical Indo-West Pacific in a depth range from 3-18m. The main skeletal stalk and branches of  this Gorgonian Sea Fan are jointed, with swellings at the larger joints. The internodes are composed of hard, calcareous material while the joints are flexible and made of a horny material. These specimen of white Polyps are retracted, as they are feeding by night. \nBatu Kapal is a rock shaped like a boat. Batu Kapal means Ship Rock in Bahasa Indonesia.\nBatu Kapal, Banda Sea, Indonesia, 4°29'11.6368 S 129°55'50.9311 E at 12m
Stony coral Hood coral or Smooth cauliflower coral, pistillate coral (Stylophora pistillata) undersea, Red Sea, Egypt, Sharm El Sheikh, Nabq Bay
A red sea fan grows just beneath the surface of the water and below the canopy of a mangrove forest.
underwater  photo
Colorful and stunning Caribbean marine life with the Great Star Coral (Montastrea Cavernosa) in Cayman Brac - Cayman Islands
An underwater image of cloud sponges (Aphrocallistes vastus)
Sea life  Yellow soft coral from scuba diver point of view
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.
A white color Feather-duster worm or giant fanworm (Sabellastarte longa) underwater
Sea Pen, Cavernularia obesa, Coral Reef, Lembeh, North Sulawesi, Indonesia, Asia
Orange Cup Coral Tubastraea coccinea occurs in tropical and subtropical Western Atlantic and Indo-Pacific in a depth range from 1-37m. This large-polyp stony coral is not a reef building species. The coral extends beautiful translucent tentacles at night. Tubastraea coccinea does not contain zooxanthellae in its tissues as many tropical corals do, allowing it to grow in complete darkness as long as it can capture enough food.\nThis large colony has fully open polyps during the day, \nbecause they are on the side facing away from the sun under a ledge. \nTriton Bay, Kaimana Regency, West Papua Province, Indonesia\n3°54'50.604 S 134°6'0.828 E at 6m depth
Orange cup coral
Flowery polyps of mushroom soft coral, Heteropolypus ritteri, in aptly named coral color. Native to eastern Pacific Ocean and grown in saltwater aquariums.
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