Previously, smaller fish and plankton were found with elevated levels of radiation in Japanese waters after a magnitude-9 earthquake in March 2011 triggered a tsunami that badly damaged the Fukushima Dai-ichi reactors.
bluefin
Five Of Eight Tuna Species Are Threatened With Extinction
Five of eight tuna species are now threatened or nearly threatened with extinction due to overfishing, according to the Red List of Threatened Species, compiled by the Swiss based International Union for the Conservation of Nature (IUCN).