Scientists discover 'ghostlike' octopus off Hawaii

Scientists have discovered a "ghostlike" octopus in deep water off Hawaii that appears to belong to a previously unknown species, researchers said. A submersible research craft spotted the small, translucent octopus by chance around 2.5 miles (4 kilometers) underwater off Necker Island on the northwestern end of the Hawaiian Archipelago, the US National Oceanic and Atmospheric Administration (NOAA) said. "As the ROV (remotely operated vehicle) was traversing a flat area of rock interspersed with