Main Ref. | Specziár, A., L. Tölg and P. Biró, 1997 | ||
Fish stage | adults | Mean length | 25.00 TL |
Sample size | 98 | 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 |
---|---|---|---|---|---|---|
2.28 % | zoobenthos | benth. crust. | amphipods | juv./adults | Corophium curvispinum | 1.4% Corophium curvispinum, 0.8% Gammaridae |
30.25 % | plants | other plants | benthic algae/weeds | n.a./others | algae | 27.1% filamentous algae, 2% macrophytes |
49.69 % | zoobenthos | mollusks | bivalves | juv./adults | Dreissena polymorpha | 47.2% Dreissena polymorpha, 0.6% Pisidium |
2.39 % | detritus | detritus | debris | n.a./others | debris | |
0.21 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | fish eggs | |
15.07 % | zoobenthos | mollusks | gastropods | juv./adults | gastropods | |
0.10 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae |