I'm literally a professional crustacean scientist, but in motion this looks more like a @realgdt.bsky.social fantasy creature!
Btw it's swimming butt-up. Paddles are back legs, long ones are front legs. Weird branched stuff is its food
royalsocietypublishing.org/rspb/article...
This is a deep-sea isopod. Dr. Johanna Weston, a deep-ocean biologist and guest investigator at @whoi.edu, is confident this is Bathyopsurus nybelini, one of her favorite animals. Learn why via the YouTube caption: youtube.com/shorts/DenUj...