Table 5 Results from a stomach content analysis of predatory fish showing species of predatory fish, number of specimens examined (N), their range of standard lengths (SL), the number of predators that contained a prey species (n), and family to which prey items belonged. Note that some predators contained prey belonging to more than one family

Silurus glanis

3

61 − 175

2

1

1

0

Perca fluviatilis

28

68 − 191

8

6

4

0

Sander lucioperca

17

93 − 172

1

1

0

0

Sander volgensis

10

150 − 209

10

9

2

1