Pascal Kobeh / Field of Peacock feather dusters / Spiral tube-worms (Sabella spallanzanii), Canary Islands

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

Juergen Freund / Social Feather dusters / Fanworms {Bispira brunnea} Cuba, Caribbean

Juergen Freund / Social feather dusters {Bispira brunnea} Cuba, Caribbean sea

Constantinos Petrinos / Feather duster worm {Protula} Sulawesi, Indonesia

Juergen Freund / Social Feather dusters feeding at night {Bispira brunnea} Cuba, Caribbean

Jose B. Ruiz / Tube worm {Sabella spallanzanii} Mediterranean - feather duster

Jose B. Ruiz / Tube worms on seabed / feather dusters {Sabella spallanzanii} Spain Mediterranean

Jose B. Ruiz / Tube worm / feather duster {Protula tubularia} Mediterranean

Jose B. Ruiz / Tube worm {Sabella spallanzanii} Mediterranean - feather duster

Jose B. Ruiz / Tube worm close-up /feather duster {Sabella spallanzanii} Mediterranean

Jose B. Ruiz / Tube worms {Sabella spallanzanii} Spain Mediterranean - feather dusters