Having the opening season for trout and char fishing in March, each local government is measuring radiation level of fish.
As the result, it turned out that fish in Tama river, Sagami river, and other major rivers in Kanto area are contaminated.
Satetsu river (Japanese dace) 240 Bq/Kg
Yasaku river (Japanese dace) 225 Bq/Kg
Kobyaku river (Char) 269 Bq/Kg
Arakawa (Trout) 224.9 Bq/Kg
Tama river (Trout) 81 Bq/Kg
Sagami river (Trout) 33 Bq/Kg
Sakawa river (Trout) 27 Bq/Kg
Sakura river (Trout) 299Bq/Kg
Numao river (Trout) 336 Bq/Kg