Spirobranchus giganteus
| Christmas tree worm | |
|---|---|
| S. giganteus on Porites | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Clade: | Pleistoannelida |
| Clade: | Sedentaria |
| Order: | Sabellida |
| Family: | Serpulidae |
| Genus: | Spirobranchus |
| Species: | S. giganteus |
| Binomial name | |
| Spirobranchus giganteus (Pallas, 1766) | |
Spirobranchus giganteus, commonly known as the Christmas tree worm, is a tube-building polychaete worm belonging to the family Serpulidae. The S. giganteus lives in coral reefs in the Indo-Pacific region to the Caribbean.