Solvin Zankl / GEOMAR / Polychaete worm (Eunice norvegica) calcifies over its parchment tubes of Lopheia pertusa adding strength to the coral skeleton and providing protection to the worm, from Trondheimfjord, North Atlant...

Solvin Zankl / Polychaete worm (Eunice norvegica) living in a cold water coral (Lophelia pertusa), Trondheimsfjord, North Atlantic Ocean.

Juergen Freund / Bobbit worm (Eunice aphroditois) emerging from seabed, Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Bobbit worm (Eunice aphroditois) emerging from seabed, Lembeh Strait, North Sulawesi, Indonesia.

Rob Tilley / Eunice Lake, Mt. Rainier NP, Washington, USA

Rob Tilley / Eunice Lake, Mt. Rainier NP, Washington, USA. August 2000

PREMAPHOTOS / Eunice/Tiger crescent butterfly (Eresia eunice) mimics distasteful Ithomiinae and Heliconiinae butterflies, Brazil

Juergen Freund / Bobbit worm {Eunice aphroditois} Indo-Pacific

Constantinos Petrinos / Bobbit worm {Eunice sp} large predatory polychaete Anilao, Batangas, Philippines

Juergen Freund / Bobbit worm head, approx 1 inch wide and 15-30 feet long living in mud, Indo-Pacific