This rarely-seen glass octopus was caught on camera.

The clear sea creature was filmed by an underwater robot during an expedition off of the Phoenix Islands, more than 3,200 miles northeast of Sydney, Australia. https://t.co/c5G47nag8A https://video.twimg.com/ext_tw_video/1805239254542327808/pu/vid/avc1/720x900/XYCCPpPkjn_yL1xl.mp4?tag=12