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Ecology. These worms are thought to be capable of living over 40 years. Some have even likened its appearance … They are popular for aquariums, though their lifespan in an artificial environment is much shorter. We have already talked about why lionfish is a dangerous fish and how sea stars move, and today we will teach you a bit about the beautiful Spirobranchus by sharing 10 facts about Christmas Tree Worms.. The jury is still out on whether or not these worms are helpful or a hindrance to their coral hosts. There’s a marine worm reminiscent of a Christmas tree, hence its common name of the Christmas tree worm. Fertilized eggs develop into larvae that live as plankton for nine to 12 days and then settle on coral, where they produce a mucus tube that develops into a calcareous tube. Ladies and gents Christmas Tree Worm. She serves as the executive director of the Blue Ocean Society for Marine Conservation. The "Christmas tree" shape shown in the image is the animal's radioles, which can be up to about 1 1/2 inches in diameter. We love learning about sea creatures we use to spot while snorkeling and hope you share our passion. The "Christmas tree" shape shown in the image is the animal's radioles, which can be up to about 1 1/2 inches in diameter. Happy Holidays: 5 Facts About Christmas Tree Worms - Dr. Carin … Jennifer Kennedy, M.S., is an environmental educator specializing in marine life. The tubes that Christmas tree worms live in can be up to about 8 inches long and are constructed of calcium carbonate.The worm produces the tube by excreting calcium carbonate that it obtains from ingesting sand grains and other particles that contain calcium. The tubes that Christmas tree worms live in can be up to about 8 inches long and are constructed of calcium carbonate.The worm produces the tube by excreting calcium carbonate that it obtains from ingesting sand grains and other particles that contain calcium. Christmas tree worms are widely distributed throughout the world's tropical oceans. Each worm has two of these “Christmas trees” to catch dinner and breathe. US First Lady Melania Trump receives the White House Christmas tree at the White House in Washington, DC, on November 23, 2020. 5. Christmas Tree Worms The Christmas tree worm, Spirobranchus giganteus, is a Christmas tree-shaped serpulid tube-dwelling worm with magnificent twin spirals of plumes used for feeding and respiration. Potential threats to the worms include habitat loss, climate change and ocean acidification, which could affect their ability to build their calcareous tubes. They come in a variety of colours, like red, orange, pink, blue, white, yellow, and brown. While they aren't harvested for food, they are popular with divers and underwater photographers and may be harvested for the aquarium trade. S. giganteus is commonly found embedded entirely in heads of massive corals, such as stony corals Porites and brain corals. Christmas tree worms appear to be selective about the coral reefs they choose, though more research on their selection process is needed. They seem to prefer certain coral species. This cone-shaped worm is one of the most widely recognized sedentary polychaete worms. The Christmas Tree Worm is a colorful marine worm with beautiful, spiraling plumes that resemble a fir tree. The rest of the worm is typically twice as long and bores into live coral. 4. By ingesting sand and other calcium-rich particles, the worm excretes calcium carbonate to form a tube in the coral. 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