Table 1 Radiocesium data information for freshwater fishes examined between May 2011 and March 2014 in the present study

Plecoglossus altivelis

74

68

n/a

n/a

59

29

24

28

49

24

15

24

(ayu)

(91.9)

(49.2)

(40.7)

(47.5)

(49.0)

(30.6)

(49.0)

Salvelinus leucomaenis

44

41

n/a

n/a

161

113

89

110

177

129

68

127

(white-spotted char)

(93.2)

(70.2)

(55.3)

(68.3)

(72.9)

(38.4)

(71.8)

Tribolodon hakonensis

46

43

n/a

n/a

64

55

33

54

75

39

16

39

(Japanese dace)

(93.5)

(85.9)

(51.6)

(84.4)

(52.0)

(21.3)

(52.0)

Anguilla japonica

3

2

n/a

n/a

3

3

3

3

2

2

2

2

(Japanese eel)

(66.7)

(100)

(100)

(100)

(100)

(100)

(100)

Carassius langsdorfii

18

2

n/a

n/a

13

13

13

13

17

16

14

16

(Japanese silver crucian carp)

(11.1)

(100)

(100)

(100)

(94.1)

(82.4)

(94.1)

Carassius cuvieri

3

3

n/a

n/a

1

1

1

1

2

2

2

2

(Japanese white crucian carp)

(100)

(100)

(100)

(100)

(100)

(100)

(100)

Cyprinus carpio

13

11

n/a

n/a

23

19

16

19

17

16

10

16

(common carp)

(84.6)

(82.6)

(69.6)

(82.6)

(94.1)

(58.8)

(94.1)

Micropterus dolomieu

5

5

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

(smallmouth bass)

(100)

Misgurnus anguillicaudatu

4

4

n/a

n/a

1

1

0

1

1

0

0

0

(weather loach)

(100)

(100)

(0)

(0)

(0)

(0)

(0)

Hemibarbus barbus

2

2

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

(barbel steed)

(100)

Oncorhynchus mykiss

1

0

n/a

n/a

1

0

0

0

n/a

n/a

n/a

n/a

(rainbow trout)

(0)

(0)

(0)

(0)

Oncorhynchus nerka

6

6

n/a

n/a

10

10

10

10

17

17

17

17

(sockeye salmon)

(100)

(100)

(100)

(100)

(100)

(100)

(100)

Oncorhynchus masou

69

63

n/a

n/a

120

89

68

89

145

89

51

89

(masu salmon)

(91.3)

(74.2)

(56.7)

(74.2)

(61.4)

(35.2)

(61.4)

Hypomesus nipponensis

39

39

n/a

n/a

29

26

25

26

13

11

6

11

(pond smelt)

(100)

(89.7)

(86.2)

(89.7)

(84.6)

(46.2)

(84.6)