Image courtesy of Submarine Ring of Fire 2014 - Ironman, NSF/NOAA, Jason, Copyright WHOI. Download larger version (jpg, 224 KB).
Squat lobsters, shrimp, and scaleworms crawl on chemosynthetic mussels. The squat lobsters appear “hairy” because of bacteria growing on their shells. Seen on NW Eifuku seamount in the Pacific during the Submarine Ring of Fire 2014 - Ironman expedition.
From: A Mountain of Mussels.