An amazing sea creature that I don't think you've heard of part 1:
This is called a Spirobranchus giganteus, more commonly known as "Christmas-tree Worms"! They can rarely live up to the age of 30, and they tend to live in tropical coral reefs!
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Rockin’ around… the uh… what? Meet the Christmas tree worm (Spirobranchus giganteus). This “festive” marine worm lives on tropical coral reefs around the planet. Its name is derived from the spiny fir trees that are emblems of the holiday season. But at just 1.5 inches (3.8 cm) in size, you won’t find any decorations hanging from this species’ “branches.” While part of the worm is buried in the coral, its colorful appendages are used for breathing and for snatching plankton to eat. In ideal conditions, Christmas tree worms can live for up to 40 years!
Photo: John Turnbull, CC BY-NC-SA 2.0, flickr
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Animal of the Day!
Christmas Tree Worm (Spirobranchus giganteus)
(Photo from Oceana)
Conservation Status- Unlisted
Habitat- Indo-Pacific Ocean; Atlantic Ocean
Size (Weight/Length)- 38 mm
Diet- Zooplankton; Detritus; Phytoplankton
Cool Facts- Upon first glance, you might think that the Christmas tree worm is a plant rather than an animal. The majority of the worm is actually buried in coral. They then build a complex tube around their soft body that serves as the worm’s forever home. The Christmas tree worm releases a pair of ‘crowns’ that is part of their mouth, sort of like a tongue. The appendages can be used for catching prey along with circulating water through their gills. When their ‘crowns’ retreat fully into their mouth, sharp spines are extended to further protect the worm from harm.
Rating- 13/10 (Symbiotic relationship with coral is still being researched.)
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Today is Wet Beast Wednesday CHRISTMAS!
Todays wet beast is: Christmas Tree Worm
Olive’s wet beast fact: the worms wish you a Merry Christmas and a happy holiday season!
Stay tuned for more Wet Beasts!
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Caribbean Christmas Tree Worm (Spirobranchus giganteus)
Family: Serpulid Worm Family (Serpulidae)
IUCN Conservation Status: Unassessed
Found attached to coral reefs in the Caribbean Sea and Indo-Pacific Ocean regions, the Caribbean Christmas Tree Worm lives in a hard, rocky tube (made up of calcium carbonate particles that it has cemented together using an extremely thick mucus that it secretes from its body), with only a pair of colourful, frilly structures lined with small feeding tentacles that protrude from its head being exposed, resembling a tiny pair of colourful Christmas trees. These frilled structures are primarily used for feeding (with the tentacles that line them capturing plankton and tiny pieces of detritus from the water and passing them down to the worm’s mouth near the opening of the tube), but also allow the worm to breathe (with gasses being exchanged between the water surrounding them and the blood within them across their thin outer surface) and can function similarly to rudimentary eyes, with light-sensitive spots on their tentacles (as well as a second set of eye-like structures just above the mouth) detecting potential predators as they come near the worm. At the first sign of a predator the worm quickly pulls its feeding structures back into its tube and blocks the tube’s opening with the only other exposed part of its body, a spiny lid-like structure called an operculum, which is sufficient to keep out almost all threats and means that this species faces little predation despite being only around 3.8cm (1.5 inches) in length. Caribbean Christmas Tree Worms may live for over 30 years, and will live their entire adult lives without ever leaving their tube - they reproduce by releasing gametes into the water through the opening of their tube, and once these gametes fuse they rapidly develop into larval worms which will live as free-swimming plankton for 9-12 days before burrowing into a coral reef and beginning to construct a tube of their own. The feeding structures of different individuals of this species can vary dramatically in their colouration (with pink-on-white, white-on-blue, black-on-yellow, pure yellow and pure orange all being common), and on reefs where multiple worms have settled in close proximity to one another the multi-coloured “forests” that their feeding structures create can be quite beautiful.
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Animal Advent Calendar - Merry Christmas!
Image Source: https://www.inaturalist.org/taxa/49517-Spirobranchus-giganteus
More information on this species, and a look at what its body looks like inside the tube: https://www.howitworksdaily.com/meet-the-christmas-tree-worm/
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WORM TIME!
WORM TIME!!! (images of the worms found below the poll)
WORM TIME!!!!!!!
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Merry Chirstmas little guys.
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Christmas tree worms (Spirobranchus giganteus) off the coast of the Galapagos Islands
by Water Planet
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happy christmas, loves
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What's this? A Christmas tree worm (Spirobranchus giganteus) which, despite its name, lives in the ocean, not in trees, and doesn't celebrate Christmas (as far as we know).
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I just fuccin love feather duster worms bro!!!!
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Inktober 52 2023 - Week 50 - 'Forest'
A giant Christmas tree sea slug with a plethora of trees growing on it's back!
I had a ton of ideas for Christmas tree creatures and I might do one more before the year is out, but have some bonus ones I also did;
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Christmas tree worm (Spirobranchus giganteus)
By: R. Chesher
From: The Complete Encyclopedia of the Animal World
1980
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*NARWHALS HIM*
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Worm tree
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