Table 2 Frequency of occurrence (%) of prey categories in the diet of YOY perch (Perca fluviatilis) from two sampling sites of Lake Müggelsee (“South” and “North”) in 2014 and 2016.

From: Eye fluke infection changes diet composition in juvenile European perch (Perca fluviatilis)

Prey categories

Frequency of occurrence (%)

South 2014

North 2014

North 2016

Zooplankton

45.6

70.3

97.5

Dikerogammarus villosus

56.7

61.8

84.9

Chelicorophium curvispinum

27.8

40.9

22.7

Chironomidae larvae

85.6

76.8

96.6

PS insect larvae

42.2

32.4

43.7

Pelagic macroinvertebrates

41.1

49.4

37

Meiobenthos

NP

12

78.2

Other benthic macroinvertebrates

NP

18.1

10.9

Terrestrial prey types

4.4

2.3

NP

  1. Zoopankton: cladocerans and copepods; pelagic macroinvertebrates: Chiromonidae and Culicidae pupae; predator-sensitive (PS) insect larvae: Ephemeroptera and Plecoptera; meiobenthos: Ostracoda and Harpacticoids; other benthic macroinvertebrates: snails and leeches; terrestrial prey types: adult stages of Ephemeroptera, Odonata and Trichoptera.
  2. NP not present.