Description A deep-sea sea urchin Aspidodiadema hawaiiense observed off Hawaii by the NOAA Okeanos Explorer mission in 2015. JPG file - 114.77 kB - 955 x 504 pixelsadded on 2018-09-08590 viewsEchinoidea taxaDigital photo, entire speciesAspidodiadema hawaiiense Mortensen, 1939checked Kroh, Andreas 2018-09-10 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License