A large purple holothurian with a single sail-like appendage in closeproximity to a much smaller translucent holothurian.
4/10/2019 1:11:29 PM
Date: 20150416T125501Z
Credit: NOAA OKEANOS EXPLORER Program, Oceano Profundo 2015; Exploring Puerto Rico's Seamounts, Trenches, and Troughs
Location: Puerto Rico, Guayanilla Canyon East Wall