Main Ref. | Jansen, W.A. and W.C. Mackay, 1992 | ||
Fish stage | juv./adults | Mean length | 13.00 TL |
Sample size | 11 | Percent empty | |
Country | Canada | Locality | Baptiste Lake, Alberta, 1986 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
26.70 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammarus lacustris | Gammarus lacustris and Hyalella azteca |
17.60 % | nekton | finfish | bony fish | juv./adults | Notropis hudsonius | Notropis hudsonis and Perca flavescens |
1.50 % | zoobenthos | insects | insects | adults | Corixidae | Corixid nymphs and adults |
7.70 % | zoobenthos | insects | insects | adults | Coleoptera | Coleoptera larvae and adults |
13.00 % | zoobenthos | insects | insects | adults | Chironomidae | Chironomidae |
32.30 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera |
0.40 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | juv./adults | Bryozoa statoblasts | Bryozoa statoblasts, Hirudinea, Hydracarina, Odonata, Ephemeroptera, Ceratopogonidae, Chaoboridae, Notonecta sp. |
0.80 % | zoobenthos | mollusks | n.a./other mollusks | juv./adults | Pisidiidae | Pisidiidae and Gastropoda |