Table 1 Parasite abundance, intensity of infection and prevalence

Parasites

Parasite species

Early summer

Late summer

Autumn

Monog

D. molnari Ergens & Dulma, 1969

79.04 ± 54.61

6-204

100

1065.63 ± 592.69

267-2450

100

1816.62 ± 1623.86

159-6879

100

D. extensus Mueller & Van Cleave, 1932

16.33 ± 9.55

1-40

100

179.39 ± 132.67

4-611

100

99.95 ± 222.96

0-1212

97

D. falciformis Achmerow, 1952

7.16 ± 8.77

0-32

84

63.9 ± 46.05

3-167

100

207.54 ± 156.32

30-528

100

D. achmerowi Gussev, 1955

3.55 ± 5.08

0-20

72

36.21 ± 21.65

0-81

97

46.16 ± 35.16

0-133

97

D. anchoratus (Dujardin, 1845)

0.08 ± 0.28

0-1

8

2.3 ± 3.82

0-12

30

1 ± 3.93

0-19

7

Gyrodactylus spp.

0.88 ± 1.9

0-8

28

-

-

-

0.8 ± 1.32

0-4

33

Eudiplozoon nipponicum (Goto, 1891)

8.44 ± 4.08

2-20

100

22.77 ± 17.45

0-53

97

1.1 ± 1.63

0-7

47

Crusta

Argulus foliaceus (Linnaeus, 1758)

13.4 ± 11.22

3-47

100

9.27 ± 7.17

0-27

87

8.57 ± 5.79

0-25

97

Ergasilus sieboldi Nordmann, 1832

0.04 ± 0.2

0-1

4

-

-

-

0.07 ± 0.25

0-1

7

Cesto

Antractolytocestus huronensis Anthony 1958

6.24 ± 15.30

0-56

28

472.83 ± 964.82

0-5014

83

19.73 ± 36.26

0-119

43

Khawia sinensis Hsü, 1935

0.16 ± 0.55

0-2

8

-

-

-

0.5 ± 1.43

0-6

17

Valipora campylancristrota (Wedl, 1855)

-

-

-

0.17 ± 0.65

0-3

7

-

-

-

Dige

Diplostomum larv sp.

5.28 ± 6.94

0-31

68

1.97 ± 3.50

0-12

33

6.13 ± 7.74

0-31

73

Moll

Glochidium spp.

-

-

-

0.07 ± 0.37

0-2

3

-

-

-

Hirud

Piscicola geometra (Linnaeus, 1761)

0.04 ± 0.2

0-1

4

-

-

-

0.13 ± 0.43

0-2

10

Winter

Spring

Monog

D. molnari Ergens & Dulma, 1969

81.72 ± 144.99

0-825

97

229.56 ± 662.57

23-3653

100

D. extensus Mueller & Van Cleave, 1932

1.25 ± 2.55

0-9

33

2.59 ± 7.08

0-38

59

D. falciformis Achmerow, 1952

3.99 ± 12.15

0-67

67

30.58 ± 148.64

0-803

86

D. achmerowi Gussev, 1955

12.69 ± 30.36

0-161

90

12.92 ± 31.04

0-172

97

D. anchoratus (Dujardin, 1845)

-

-

-

-

-

-

Gyrodactylus spp.

303.83 ± 1094.16

0-5664

70

2.14 ± 2.29

0-8

66

Eudiplozoon nipponicum (Goto, 1891)

0.43 ± 0.86

0-3

27

0.3 ± 0.53

0-2

33

Crusta

Argulus foliaceus (Linnaeus, 1758)

-

-

-

0.03 ± 0.19

0-1

3

Ergasilus sieboldi Nordmann, 1832

0.03 ± 0.18

0-1

3

-

-

-

Cesto

Antractolytocestus huronensis Anthony 1958

-

-

-

-

-

-

Khawia sinensis Hsü, 1935

1.37 ± 3.52

0-15

20

0.62 ± 1.40

0-6

24

Valipora campylancristrota (Wedl, 1855)

0.03 ± 0.18

0-1

3

-

-

-

Dige

Diplostomum larv sp.

3.7 ± 4.02

0-16

80

4.05 ± 3.43

0-14

86

Moll

Glochidium spp.

-

-

-

-

-

-

Hirud

Piscicola geometra (Linnaeus, 1761)

0.03 ± 0.18

0-1

3

-

-

-