Riftia Pachyptila and Bathymodiolus thermophilus as investigated by Vicki Ferrini and Marvin Lilley Riftia pachyptila (tubeworms) found near hydrothermal vents in water at depths over 2.5 km in the Pacific Ocean were photographed by Vicki Ferrini and Marvin Lilley. The original source of the image can be found at <http://media.marine-geo.org/image/tube-worms-riftia-pachyptila-near-hydrothermal-vents-epr-2004>.