A fish market trader moves a crate of chilled haddock at Peterhead Fish Market and Port, operated by Peterhead Port Authority, in Peterhead, U.K., on Monday, Dec. 7, 2015. The Marine Conservation Society moved North Sea Cod from their red, fish to avoid eating, to amber, fish to not eat too often, rating in September as the population of the fish had shown signs of improving, according to a statement on their website. Photographer: Matthew Lloyd/Bloomberg via Getty Images