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Spirobranchus giganteus, commonly known as Christmas tree worms, are tube-building polychaete worms belonging to the family Serpulidae
The island of Oahu, in the state of Hawaii, from old camera film in 1987.
PG Island, Oriental Mindoro Province, Philippines - Close-up of marine life
Waigeo island, Raja Ampat, West Papoua, Indonesia
Spirobranchus giganteus in a coral reef of the Red Sea
Sea life Underwater sea star - starfish Scuba diver point of view
Sea life
Small puddle filled with water after high tide with some marine life: mussels, sea urchins, fry, etc.
Christmas Tree Work off the coast of the island of Bonaire
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
Christmas tree worm on coral reef
Christmas Tree Worm, Spirobranchus giganteus on closeup of coral with polyps visible.
Light-colored Christmas Tree Worms (Spirobranchus Giganteus) of the coast of Aruba.
Sea life worm Spiral tube worm Underwater beauty  Aquatic organism   Close up, macro photo. Scuba diver point of view
Christmas tree worm on coral block has opened completely
Underwater photography of tropical reef  species in Papua New Guinea
Sea corals at low tide close-up.
Colonial Ascidian Didemnum psammatodes is native to Northern Australia and other tropical and subtropical regions in the Indo-West Pacific in a depth range from 1-15m. \nThe species is introduced to the Atlantic where it was first recorded in Guadeloupe in 1980-1981. Since then it has been reported in several areas, probably transported to the Atlantic through shipping and hull fouling.\nThe scattered large exhalant openings are distinctive for that species. As a filter feeder, Didemnum psammatodes is not eating but just overgrowing the coral. \nTriton Bay, West Papua Province, Indonesia, \n3°54'3.384 S 134°6'26.448 E at 16m depth
In the depths of the water, bright orange corals stand out against the rocky background. Their intricate, textured surfaces add vibrant pops of color, creating a mesmerizing underwater landscape filled with natural beauty and marine life.
Stichodactyla mertensii'', commonly known as Mertens' carpet sea anemone, is a species of sea anemones in the family Stichodactylidae. It is regarded as the largest sea anemone with a diameter of over 1 m , the next largest being ''Heteractis magnifica'' which has longer tentacles.
Black leather sponge (Sarcotragus spinosulus) extreme close-up undersea, Aegean Sea, Greece, Halkidiki
Sea life Salp and Orange Gorgonian coral from scuba diver point of view
Cushion Starfish on a coral wall off the coast of Musandam in Oman
Coral Polyps
Exposed Coral During Low Tide
Jorunna funebris or Ringed Dorid or Polka-dot Nudibranch Jorunna funebris occurs in the tropical and temperate Indo-Pacific. Jorunna funebris is a species of sea slug, a dorid nudibranch, a shell-less marine opisthobranch gastropod mollusk in the family Dorididae. \nAdult Jorunna funebris can vary from 15 mm to over 70 mm long, with an average length of 35 mm. The species feeds on the blue Haliclona Sponge, other observations about feeding preference identified other sponges like blue Euplacella cf. australis, blue Xestospongia sp. and Oceanapia sp., uses undigested food remains as a chemical defence. They are sequested into the jorumycin cyctotoxin, being found in the mucus of the Nudibranch. It follows this logic: I am very conspicuous and cannot escape. If you don't eat me, we'll BOTH live longer!\nTriton Bay, Kaimana Regency, Indonesia, \n3°51'48.03 S 133°55'48.96 E at 4m depth by night
Underwater World
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.
Spirobranchus giganteus, commonly known as Christmas tree worms, are tube-building polychaete worms belonging to the family Serpulidae
Sea life  Yellow soft coral symbiotic relationship with sponge Aquatic organism Close up, macro photo. Scuba diver point of view
Free Images: "bestof:Porites astreoides y Spirobranchus giganteus.jpg es Colonia de Porites astreoides con Spirobranchus giganteus en el Santuario Nacional Marino de Flower Garden"
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