Information on sustainable species can come from a variety of outlets.
The most popular source for chefs is the Monterey Bay Aquarium List. This list is a good starting point but shouldn’t be viewed as the final word. Another excellent source of information on many fish species is the NOAA Fish Watch website. This site outlines the sustainability status, life cycle, and harvest of many domestic fish species.
MBA link: http://www.seafoodwatch.org/
NOAA Fish Watch link: https://www.fishwatch.gov/