Main Ref. | Michel, P. and T. Oberdorff, 1995 | ||
Fish stage | adults | Mean length | 12.00 TL |
Sample size | 351 | Percent empty | |
Country | Finland | Locality | southern Finland |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
1.53 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | fish eggs | |
3.16 % | zoobenthos | insects | insects | larvae | Coleoptera | Coleoptera |
6.72 % | zoobenthos | insects | insects | larvae | Diptera | other Diptera |
14.86 % | zoobenthos | insects | insects | larvae | Ephemeroptera | Ephemeroptera |
15.27 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae |
36.46 % | zoobenthos | insects | insects | larvae | Trichoptera | 35.3% Trichoptera, 0.5% Plecoptera |
4.28 % | zoobenthos | benth. crust. | isopods | juv./adults | Isopoda | 3.6% Isopoda, incl. 0.5% Copepoda, 0.1% Ostracoda |
5.19 % | zoobenthos | worms | n.a./other annelids | juv./adults | Hirudinea | 4.6% Hirudinea, incl. Oligochaeta |
6.42 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | larvae | Cladocera | Cladocera |
6.11 % | zoobenthos | mollusks | n.a./other mollusks | juv./adults | mollusks |