Table 2 The average number of parasites per infected fish species per host individual according to sampling period

Oreochromis mweruensis

 Cichlidogyrus dossoui

1.4

5.7

3.1

13

5.3

 C. halli

3.6

10.2

6.1

1.5

13.6

 C. mbirizei

1

2

 C. quaestio

1

1

 C. sclerosus

2

1

1.3

2.6

 C. tiberianus

1

 C. tilapiae

1

2

1

1

 Gyrodactylus nyanzae

6.5

23

9.6

 Scutogyrus gravivaginus

1.3

1.7

4.7

3.5

1.8

 S. cf. bailloni

1

 Average total number of monogeneans, all species included

16.8

20.6

43.2

18

35.9

 Number of examined fish

12

5

13

2

13

Coptodon rendalli

 Cichlidogyrus dossoui

5.1

7.3

21.3

15

2

 C. halli

1

2

 C. papernastrema

1.2

29.8

25

2.5

 C. quaestio

5.4

7

11

1

 C. tiberianus

1.3

1.5

4.4

1.5

 Gyrodactylus nyanzae

1

 Average total number of monogeneans, all species included

15

15.8

68.5

41.5

5.5

 Number of examined fish

10

6

8

2

3

Serranochromis macrocephalus

 Cichlidogyrus karibae

15

 C. zambezensis

5

 Average total number of monogeneans, all species included

20

 Number of examined fish

1

10