. >> rorter: t amber jk meat is fatty but doesn't have the strong fishy odor common for this variety.his company farms japanese amber jacks. it processes and ships the fish, too. the president also teaches at a university. he's studying ways to develop the domestic fisheries industry. the amount of farmed fish in japan has fallen by a quarter over the last decade. he thinks the key to revival is exporting overseas. >> translator: many people abroad are becoming wealthier than japanese. that's a big business opportunity, and i think it could help boost japan's fishery industry. >> reporter: he thinks japanese amber jacks will sell well overseas. amber jacks are frozen for export, but because they stay fresh for only a month, the foreign market has been limited. enter the professor. he's developed a special sheet to keep the fish fresh. a vegetable polyphenol coating on the sheet preserves the amber jack. now the fish can be frozen for nearly six months. he also worked on improving the taste. he studied flavors in the fish according to what they're fed. farmed amber jacks are usually fe