Chris Newbert / Feather Duster Worm (Sabellastarte sp) in the shape of a heart, 40 feet deep, Solomon Islands

Juergen Freund / Fan worm / feather duster worm (Sabellastarte indica) on coral. Lembeh Strait, North Sulawesi, Indonesia

GEORGETTE DOUWMA / Feather duster worm (Sabellastarte sp.) Misool, Raja Ampat, West Papua, Indonesia.

GEORGETTE DOUWMA / Feather duster worm (Sabellastarte sp) Misool, Raja Ampat, West Papua, Indonesia.

Fred Bavendam / Tube-dwelling Anemone (Cerianthus sp) with Feather Duster Worms (Sabellastarte sp), Bali, Indonesia

Chris Newbert / Thorny Seahorse (Hippocampus histrix) and Feather Duster Worm (Sabellastarte indica), Indonesia

Chris Newbert / Feather Duster Worm (Sabellastarte sp) with brachail crown exteneded to feed, Indonesia

Michele Westmorland / Tiny feather duster / tube worm (Sabellastarte sp) on hard coral, House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Doug Perrine / Magnificent feather duster tube worm {Sabellastarte magnifica} St Vincent, Caribbean

Nature Production / Feather Duster Worm {Sabellastarte japonica} with crown open, Japan, Sequence 2/2

Nature Production / Feather Duster Worm {Sabellastarte japonica} with crown closed, Japan, Sequence 1/2

Martha Holmes / Feather duster worm (Sabellastarte magnifica) on coral head, Grenadines, Caribbean

Peter Scoones / Sabelled worm / fan worm (Sabellastarte indica) Red Sea

Chris Newbert / Feather Duster Worm (Sabellastarte sanctijosephi) 40 feet deep, Solomon Islands

Chris Newbert / Feather Duster Worm (Sabellastarte indica) detail, Palau