At a depth of 2.3 miles (3,700 meters) during Dive 4 of the Deepwater Exploration of the Marianas expedition by NOAA's Okeanos Explorer, the ship this creature as a hydromedusabelonging to the genus Crossota.
Breathtakingly Vibrant Close-up Timelapse of Coral and Sponges
Daniel Stoupin has made this stunning timelapse of what he refers to as "slow" marine creatures — coral and sponges whose wild movements are barely perceptible on our timescale.
This is definitely one to hit the FULL SCREEN on the video.
The Beauty of Sea Slugs from Alexander Semenov
We've seen some amazingly vibrant shots of jellyfish from Alexander Semenov, and here he brings us equally gorgeous sea slugs.
See also Gorgeous Underwater Photos of Vibrant Jellyfish
