International private equity fund Gulf Japan Food Fund (GJFF) has invested in Oman Fisheries, one of the largest fisheries companies in Oman, Trade Arabia reports.    Backed by investors such as Mizuho Bank and The Norinchukin Bank of Japan as well as sovereign investors from the Gulf Cooperation Council and Mizuho Gulf Capital Partners (MGCP), GJFF's investment manager will support the long-term success and growth of Oman Fisheries and enhance the expansion of Oman's fisheries sector.    Established in 1989 in Oman through a royal decree, Oman Fisheries is publicly listed on Muscat Securities Market and has a network to source fish across Oman. Its key products are sardines, mackerel, cuttlefish, ribbonfish and yellowfin tuna sold to more than 35 international markets including Asia, South America and Europe [...]