Dr. Murai Éva - Gubányi András szerk.: Parasitologia Hungarica 28. (Budapest, 1995)

Table 6 Parasitic infections of Silurus glanis, Gymnocephalus cernuus and Neogobius fluviatilis in Lake Balaton in 1994 Silurus í liants Gymnocephalus cernuus Neogobius fluviatilis Summer Autumn Spring Spring Summer Number of fish examined 2 2 4 9 11 7 body length (cm) 34-36 24-34 8-10 7-12 5-11 4-7 sampling time Aug Sep Apr Apr Jul Aug sampling site Keszthely Szemes Szemes Csopak Sóstó Parasite recorded Location Goussia acerinae gut _ 1/* Goussia sp. gut 1/* Apiosoma sp. fins 1/** Dactylogyrus amphibothrium gills 2/12.5(5-20) Dactylogyrus hemiamphibothrium gills 1/10. Gyrodactylus sp. I. fins 2/45(40-50) Gyrodactylus sp. II. fins 1/4 Proteocephalus osculatus gut 2/15(8-22) 2/19(8-30) Proteocephalus cernuae gut 1/3 Proteocephalus sp. gut 1/2 Ligula sp. abd. cav. 3/1 Nicolla skrjabini gut 4/10.5(8-15) Orientocreadium siluri gut 1/9 Diplostomum spathaceum (1.) eye lenses 1/19 Ichthyocotylurus sp. (1.) abd. cav. 4/8.5(2-17) Camallanus truncatus gut 3/4.3(1-8) 1/1 8/3.1(2-6) Anguillicola crassus (1.) intestinal wall 1/27 2/170(40-300) 4/56.8(40-72) 6/14.8(1-40) 11/4.1(1-10) 6/1 8.8(4-58) Ergasilus sieboldi gills 2/4(2-6) 1/2 numerator = number of infected fish, denominator = mean intensity (range in brackets), stars = intensity of protozoan or larval infections