Keywords: Aspidodiadema arcitum.jpg fr A deep-sea sea urchin Aspidodiadema arcitum seen off Hawaii by NOAA Okeanos Explorer mission 2015-09-29 https //www flickr com/photos/noaaphotolib/27865307351/in/photolist-JsmZ4D-HD1wKF-JsmYFz-Jz7JeD-Jq9XxE-HCX6Mv-JwQsEM-JigG6P-GZxRPg-GYTPPF-JBsFLS-JBsFx5-JCWisR-HGkDUV-Jqa4Zh-JsiPJ2-J9tsto-J7Qonc-H649fy-GShgnG-H5SWxY-GXLGto-GXLFGo-GXLFnW-G1PrRP-GHSENa-FYBCbu-GhTceX-FTdxCH-FGnnQ5-G8qLef-GFzbv5-FHVsJR-Guh3Mq-GnX7tY-Gsz9RS-GnnHv3-GgvtmN-GiPUy2-G9Zz86-FVL11t-F1vaRB-FMFR3A-FLCDYJ-ETtWp1-ETEV2t-ExjjZG-FjxXRE-FsWcNE-FnpH5s FlickR NOAA Okeanos Explorer other versions PD-USGov NOAA pictures uploaded by FredD Okeanos Explorer Aspidodiadema arcitum Aspidodiadema Aspidodiadematidae |