spirobranchus giganteus, commonly known as christmas tree worms, are tube-building polychaete worms belonging to the family

ampat indonesia irian jaya misool papua raja sorong spirobranchus adventure animal aquatic asia biodiversity biology christmas closeup colorful dive diving ecosystem environment giganteus leisure macro marine nature ocean photography polychaete reef scuba sea sealife serpulidae travel tree tropic tropical tubebuilding undersea underwater water west wild wildlife worm commonly known worms are tube-building belonging family