A Japanese fishing boat works the sea not far from the crippled Fukushima nuclear plant.
There are increasing fears, though, that marine life here could be contaminated with radiation.
South Korea on Friday added its voice to those concerns - banning seafood imports from eight Japanese prefectures, including Fukushima.
The decision comes after revelations that hundreds of tonnes of radioactive water are leaking into the sea every day.
"It is unclear how the Japanese crisis will progress and it will be difficult to precisely predict the future risk," said a spokesman.
Japan, though, dismissed those concerns, saying inspections have been stepped up and the country's fish is safe to eat.
"Since the nuclear accident, we're adopting the world's highest level of safety standards and implementing strict inspections," said a spokesman.
The Fukushima plant was hammered by an earthquake and tsunami in 2011 that trigged the worst nuclear meltdown since Ch
