Salmacina dysteri
... that the tube worm Salmacina dysteri grows on harbour installations, on the hulls of ships and at depths of 600 m (2,000 ft)?
... that the tube worm <i id="mwCVY"><b id="mwCVc"><a href="./Salmacina_dysteri" id="mwCVg" rel="mw:WikiLink" title="Salmacina dysteri">Salmacina dysteri</a></b></i> grows on harbour installations, on the hulls of ships and at depths of <span about="#mwt84" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"600"},"2":{"wt":"m"},"3":{"wt":"ft"},"4":{"wt":"-2"},"abbr":{"wt":"on"}},"i":0}}]}' id="mwCVk" typeof="mw:Transclusion">600</span><span about="#mwt84" typeof="mw:Entity"> </span><span about="#mwt84">m (2,000</span><span about="#mwt84" typeof="mw:Entity"> </span><span about="#mwt84">ft)</span>?