Keywords: Pelagothuria natatrix (cropped).png en The only pelagic echinoderm Pelagothuria natatrix a sea cucumber fr Le concombre de mer pélagique Pelagothuria natatrix observé dans les abysses au large des Galapagos 16 July 2011 21 51 23 http //www photolib noaa gov/htmls/expl6330 htm Wikimedia commons NOAA Okeanos Explorer Program Galapagos Rift Expedition 2011 FredD other versions PD-USGov Uploaded with UploadWizard Pelagothuria natatrix Pelagothuridae Okeanos Explorer NOAA Galapagos Rift Expedition 2011 NOAA pictures uploaded by FredD |