Main Ref. | Jansen, W.A. and W.C. Mackay, 1992 | ||
Fish stage | juv./adults | Mean length | 16.70 TL |
Sample size | 13 | Percent empty | |
Country | Canada | Locality | Baptiste Lake, Alberta, 1986 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
30.30 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammarus lacustris | Gammarus lacustris and Hyalella azteca |
38.50 % | nekton | finfish | bony fish | juv./adults | Notropis hudsonius | Notropis hudsonis, Perca flavscens |
0.90 % | zoobenthos | insects | insects | adults | Corixidae | Corixid nymphs and adults |
3.00 % | zoobenthos | insects | insects | adults | Chironomidae | Chironomidae |
4.90 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera |
21.70 % | zoobenthos | insects | insects | adults | Coleoptera | Coleoptera larvae and adults |
0.70 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | juv./adults | Hirudinea | Bryozoan statoblasts, Hirudinea, Hydracarina, Odonata, Ephemeroptera, Ceratopogonidae, Chaoboridae, Notonecta sp. |