Main Ref. | Nilsson, N.-A., 1957 | ||
Fish stage | adults | Mean length | NG |
Sample size | 13 | Percent empty | 7.7 |
Country | Sweden | Locality | River Rensjön, Station 6. 1955 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
5.80 % | nekton | finfish | bony fish | juv./adults | bony fish | |
6.70 % | zoobenthos | mollusks | gastropods | juv./adults | Limnaea | Limnaea |
53.30 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera (46.2), Chironomidae (2.1), terrestrial insects (5.0) |
27.50 % | zoobenthos | insects | insects | larvae | Trichoptera | Trichoptera (15.8), Ephemeroptera (4.6), Sialis (7.1) |
6.70 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | juv./adults | Phyllopoda | Phyllopoda |