Christmas | One Tree Hill | One Tree Hill (TV series) | A Christmas Carol | Christmas Eve | Christmas Island | tree | Christmas music | Christmas tree | Herbert Beerbohm Tree | A Christmas Story | Porcupine Tree | Have Yourself a Merry Little Christmas | Christmas Oratorio | How the Grinch Stole Christmas | The Joshua Tree | The Hanging Tree | How the Grinch Stole Christmas! | Christmas lights | Quebracho tree | Mickey's Christmas Carol | Joshua Tree National Park | Under the Yum Yum Tree | The Nightmare Before Christmas | Merry Christmas Baby | Last Christmas | I'll Be Home for Christmas | Happy Tree Friends | Christmas lights (holiday decoration) | Christmas card |
Most Porites that are collected have Christmas tree worms (Spirobranchus giganteus) that bore into the coral, serving as additional aesthetic livestock.
Spirobranchus giganteus, the Christmas tree worm, a small tube-building polychaete worm species