A large cratered hole. Probably caused by biological activity. The crater isfilled with sargassum weed and seems to have an exit pathextending to the upper left.
4/10/2019 12:23:32 PM
Date: 20140420T170839Z
Credit: NOAA OKEANOS EXPLORER Program, Gulf of Mexico 2014 Expedition
Location: Gulf of Mexico, Keathley Canyon, 2600 meters depth