Image courtesy of the NOAA Office of Ocean Exploration and Research, Gulf of Mexico 2017. Download larger version (jpg, 773 KB).
A particularly grumpy-looking ophidiiform cusk eel encountered at a depth of 1,585 meters (5,200 feet) during Dive 12 of the Gulf of Mexico 2017 expedition on NOAA Ship Okeanos Explorer.
From: Gulf of Mexico 2017: Highlight Images.