Table 1 Intensity of monogenean infection (MI, mean ± standard deviation), range of intensity of infection (I, minimum-maximum), and prevalence (P, in %) for each monogenean species in A. brama and B. bjoerkna captured from nature

Dactylogyrus auriculatus

1.67 ± 1.16

1–3

38

–

–

–

Dactylogyrus wunderi

4.00 ± 2.65

1–6

38

–

–

–

Dactylogyrus zandti

9.80 ± 8.90

2–22

63

–

–

–

Dactylogyrus falcatus

1.67 ± 0.58

1–2

38

–

–

–

Dactylogyrus sphyrna

–

–

–

2.00 ± 1.41

1–3

29

Dactylogyrus cornu

–

–

–

4.75 ± 4.35

1–9

57

Dactylogyrus distinguendus

–

–

–

1.75 ± 1.5

1–4

57

Gyrodactylus vimbi

–

–

–

1.50 ± 0.71

1–2

29

Gyrodactylus elegans

1

–

13

–

–

–

Diplozoon paradoxum

2

2

63

–

–

–