Pagurid (Hermit Crab): 2016 Deepwater Exploration of the Marianas

This hermit crab, likely Parapagurus sp., appears to be missing a pair of legs, but in fact, the legs are instead modified to hold this anemone in place. Most hermit crabs have a shell that they inhabit; however, this species uses an anemone instead.

Video courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas.