29+ Are Christmas Tree Worms Endangered PNG. You won't find spirobranchus giganteus, also known as the christmas tree worm, eating your fir tree this year. They're the gills of christmas tree worms, which hide below in tubes within the coral.
The christmas tree worm lives on tropical coral reefs throughout the world, in relatively shallow waters less than 100 feet deep.
Christmas tree worms (spirobranchus giganteus) are a type of polychaete, a group of segmented worms that contains over 13,000 species. Christmas tree worms will retract quickly at the slightest. My animal eats plankton but gets eaten by butter fly fish. Christmas tree worms come in a variety of bright colors.