Main Ref. | Nilsson, N.-A., 1957 | ||
Fish stage | adults | Mean length | NG |
Sample size | 29 | Percent empty | 0 |
Country | Sweden | Locality | River Rensjön, Station 8. 1955 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
2.50 % | zoobenthos | mollusks | gastropods | recruits/juv. | Limnaea | Limnaea |
3.80 % | zoobenthos | mollusks | gastropods | recruits/juv. | Planorbis | Planorbis |
45.40 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera (26.1), Ephemeroptera (0.3), Chironomidae (9.8), terrestrial insects (9.0) |
38.80 % | zoobenthos | insects | insects | larvae | Dyliscidae | Trichoptera (10.4), Ephemeroptera (0.3), Plecoptera (9.6), Sialis (4.2), Dyliscidae (12.7) , Chironomidae (1.3) |
9.50 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | juv./adults | Phyllopoda | Phyllopoda |