Appears to be a sediment covered holothurian. Why would it do this?
Image ID: expn5632, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: Pacific Ocean, ESE of Johnston Atoll, Lone Cone
Photo Date: 20150921T211454Z
Credit: NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana
• High Resolution Photo Available