Close-up of the 'plume' extending out of a Riftia pachyptila hard tube.The bright red coloring is due to complex hemoglobin within the plumeused to transport oxygen through the worm's respiratory system. Note also thesimilar structure on the sibogli
4/10/2019 11:58:28 AM
Date: 2011 July 23
Credit: NOAA Okeanos Explorer Program, Galapagos Rift Expedition 2011