A red jellyfish. Northwest Hawaiian Islands.
Dr. Dwayne Meadows, NOAA/NMFS/OPR.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/51647007@N08">NOAA Photo Library</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/noaaphotolib/5017962471/">reef0762</a>