Main Ref. | Turunen, T. and M. Viljanen, 1988 | ||
Fish stage | recruits/juv. | Mean length | 30.00 TL |
Sample size | 138 | Percent empty | 13 |
Country | Finland | Locality | Lake Suomunjärvi, Eastern Finland |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
5.26 % | zoobenthos | mollusks | bivalves | juv./adults | Pisidium sp. | Pisidium sp. |
33.68 % | zooplankton | plank. crust. | cladocerans | juv./adults | Bosmina | Bosmina, Daphnia, Polyphemus, Leptodora, Chydiridae, & other cladocerans |
3.16 % | zooplankton | fish (early stages) | fish eggs/larvae | eggs | fish eggs | |
6.32 % | zoobenthos | insects | insects | larvae | Diptera | Diptera & Ephemeridae |
12.63 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae |
8.42 % | zoobenthos | benth. crust. | isopods | juv./adults | Asellus aquaticus | Asellus aquaticus |
30.53 % | zooplankton | plank. crust. | plank. copepods | juv./adults | Cyclopoida | Cyclopoida & Calanoida |