An eel pout over a relatively smooth lava bottom in the vicinity of hydrothermal
venting as the water is murky and filled debris, perhaps chemical precipitates
from vent water.
Image ID: expl6524, Voyage To Inner Space - Exploring the Seas With NOAA Collect Photo Date: 2011 July 20 Credit: NOAA Okeanos Explorer Program, Galapagos Rift Expedition 2011