Sitting in his spacious office with a view of the Black Sea, Tayfun Denizer smiles: his rainbow trout, raised in submerged cages, have made him a wealthy man.
"Our exports surged from $500,000 in 2017 to $86 million last year, and this is just the beginning," said Denizer, general manager of Polifish, one of the Black Sea's main producers of what is marketed as "Turkish salmon".
