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Table 3 Characteristics of helminth communities and fish length of Pelteobagrus fulvidraco from 7 lakes in the flood plain of the Yangtze River, China

From: Communities of gastrointestinal helminths of fish in historically connected habitats: habitat fragmentation effect in a carnivorous catfish Pelteobagrus fulvidraco from seven lakes in flood plain of the Yangtze River, China

Characteristics

Poyang

Dongting

Niushan

Honghu

Baoan

Tangxun

Liangzi

Connected lakes

Isolated lakes

Sample size

90

60

36

78

30

30

60

150

234

Mean fish length ± SD (cm)

16.12 ± 2.31

17.31 ± 1.72

16.61 ± 1.61

16.53 ± 2.20

17.20 ± 2.11

17.33 ± 2.32

17.53 ± 2.43

16.97 ± 2.37

16.76 ± 2.36

Mean no. of species ± SD

2.37 ± 0.94

0.78 ± 0.88

2.44 ± 1.11

1.18 ± 0.94

2.60 ± 1.1

2.80 ± 1.03

2.60 ± 1.20

1.73 ± 1.20

2.13 ± 1.26

Mean no. of hel ind ± SD +

15.70 ± 11.10

4.20 ± 8.90

16. 80 ± 12.2

6.90 ± 6.72

23.61 ± 12.11

16.00 ± 10.72

17.52 ± 11.74

11.09 ± 11.68

14.47 ± 11.73

Brillouin index ± SD

0.45 ± 0.30

0.12 ± 0.19

0.41 ± 0.31

0.15 ± 0.24

0.51 ± 0.25

0.65 ± 0.20

0.44 ± 0.33

0.36 ± 0.31

0.39 ± 0.32

Total no. of species

8

7

8

6

8

7

8

8

11

Shannon-Wiener index

0.58

0.18

0.53

0.22

0.62

0.83

0.57

0.48 ± 0.40

0.50 ± .041

Berger-Parker index

0.65

0.82

0.74

0.88

0.67

0.47

0.74

0.74

0.70

Dominant species

P.p. *

P.p. *

P.p. *

P.p. *

P.p. *

P.p. *

P.p. *

P.p. *

P.p. *

  1. + Mean number of helminth individuals
  2. * P.p. represents Procamallanus fulvidraconis