AdvertisementWhy 500 Million U.S. Seafood Meals Get Dumped In The SeaMarch 21, 2014Alastair BlandfacebookEmailA marlin caught as bycatch by the California drift gillnet fishery. The conservation group Oceana called the fishery one of the "dirtiest" in the U.S. because of its high rate of discarded fish and other marine animals. (Courtesy of NOAA)