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

A beautiful feather duster worm, Bispira sp., grows on a coral reef in Alor, Indonesia.

Christmas tree worm (Spirobranchus giganteus) on hard coral in Bonaire, Caribbean Netherlands.

Christmas tree worm in Raja Ampat, Indonesia.

Detail of a feather duster worm growing on a coral reef near Alor in the Lesser Sunda Islands of Indonesia.

Detail of the spiral tentacles arrangement of a feather duster worm (Bispira sp.) in Komodo National Park, Indonesia.

Christmas Tree Worm (Spirobranchus giganteus), Close up of individual showing spiral formation, Cayman Brac, Cayman Islands, Caribbean

Feather Duster Worm (Species unknown) Babbacombe, Torquay, South Devon, UK Restricted resolution (Please contact us). (RR)

Tubeworm, Sabellastarte sp., Monkey beach, Puerto Galera, Mindoro, Philippines

Feather Duster Worm (Species unknown) Babbacombe, Torquay, South Devon, UK (RR)

Christmas Tree Worm (Spirobranchus giganteus), Close up of individual on ochre coloured hard coral, Cayman Brac, Cayman Islands, Caribbean

Christmas Tree Worm (Spirobranchus giganteus), view of red individual showing spiral formation, Mabul, Borneo, Malaysia, South China Sea

Feather Duster Worm (Species unknown) Babbacombe, Torquay, South Devon, UK

Feather Duster Worm (Species unknown) Babbacombe, Torquay, South Devon, UK (A4 only).

Feather Duster Worm (Species unknown) Babbacombe, Torquay, South Devon, UK

Feather Duster Worm (Species unknown) Babbacombe, Torquay, South Devon, UK (RR)

Feather Duster Worm (Species unknown) Babbacombe, Torquay, South Devon, UK

Blood Worm

Chrismas Tree Worm