Main Ref. | Specziár, A., L. Tölg and P. Biró, 1997 | ||
Fish stage | adults | Mean length | 14.80 SL |
Sample size | 130 | Percent empty | |
Country | Hungary | Locality | littoral zone of Lake Balaton, April-November 1996 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
9.89 % | zoobenthos | benth. crust. | amphipods | juv./adults | Corophium curvispinum | 7.7% Corophium curvispinum , 1.9% Gammaridae |
0.10 % | zoobenthos | benth. crust. | benth. copepods | juv./adults | benth. copepods | |
0.71 % | plants | other plants | benthic algae/weeds | n.a./others | benthic algae/weeds | |
65.04 % | zoobenthos | mollusks | bivalves | juv./adults | Dreissena polymorpha | 61.3% Dreissena polymorpha, 2.5% Pisidium |
13.97 % | detritus | detritus | debris | n.a./others | debris | |
1.12 % | zoobenthos | mollusks | gastropods | juv./adults | gastropods | |
6.93 % | zoobenthos | insects | insects | larvae | Chironomidae | 6.4% Chironomidae larvae, 0.3% Chironomidae pupae, 0.1% Ceratopogonidae larvae |
0.10 % | zoobenthos | benth. crust. | isopods | juv./adults | isopods | |
2.14 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | 2% Oligochaeta, 0.1% Hirudinoidea |