Main Ref. | Nilsson, N.-A., 1957 | ||
Fish stage | adults | Mean length | NG |
Sample size | 17 | Percent empty | 0 |
Country | Sweden | Locality | River Rensjön, Station 2,4, & 7. 1955 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
0.30 % | zoobenthos | mollusks | bivalves | juv./adults | Pisidium | Pisidium |
0.60 % | zoobenthos | mollusks | gastropods | juv./adults | Limnaea | Limnaea |
21.40 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera (17.8), Chironomidae (2.5), terrestrial insects (1.1) |
73.30 % | zoobenthos | insects | insects | larvae | Trichoptera | Trichoptera (45.3), Ephemeroptera (8.1), Plecoptera (3.9), Helmidae (0.8), Chironomidae (2.5), Simuliidae (10.8), Tipulidae ( 1.9) |
4.40 % | zoobenthos | benth. crust. | shrimps/prawns | juv./adults | Phyllopoda | Phyllopoda |