Description: English: The yellowtail reeffish, Chromis enchrysura, a planktivorous damselfish that lives on shallow and deep coral reefs of the Atlantic Ocean and Gulf of Mexico. Date:. Source: http://oceanexplorer.noaa.gov/explorations/03mex/logs/sept30/media/yellowtail.html. Author: D. Weaver, Flower Garden Banks National Marine Sanctuary.