Blue Christmas tree worm (Spirobranchus giganteus), Cairns, Queensland, Australia, Pacific

Blue Christmas-Tree-Worm, Spirobranchus giganteus, Tufi, Solomon Sea, Papua New Guinea

Blue Christmas Tree Worm, Spirobranchus giganteus, Kai Islands, Moluccas, Indonesia

Blue Christmas tree worm (Spirobranchus giganteus) Beqa Lagoon, Fiji

Blue Christmas tree worm (Spirobranchus giganteus), Namena Marine Reserve, Fiji, Pacific

Christmas-tree-worm, Spirobranchus giganteus, Djibouti, Djibuti, Africa, Afar Triangle, Gulf of Aden, Gulf of Tadjourah