Fishermen pull the seine with Baltic smelt at the pier on the Neva River in St. Petersburg, Russia, on May 4, 2016.Nic Markoff | NurPhoto | Getty ImagesRussia hopes to increase its marine product exports to China in the wake of China's ban on Japanese seafood imports after the release of treated radioactive water from the wrecked Fukushima nuclear power plant into the sea.Russia is one of the biggest marine product suppliers to China, with 894 Russian companies allowed to export seafood, Rosselkhoznadzor, the Russian food safety watchdog,...