Main Ref. | Rondorf, D.W., G.A. Gray and R.B. Fairley, 1990 | ||
Fish stage | recruits/juv. | Mean length | 67.00 FL |
Sample size | 136 | Percent empty | |
Country | Locality | Midreservoir reach of Lake Wallula on the Columbia River, 1980 | |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
0.30 % | zoobenthos | benth. crust. | amphipods | juv./adults | Amphipoda | Amphipoda |
54.20 % | zooplankton | plank. crust. | cladocerans | juv./adults | Cladocera | Cladocera |
0.10 % | zoobenthos | insects | insects | adults | Ephemeroptera | Ephemeroptera |
0.80 % | zoobenthos | insects | insects | adults | Hemiptera | Hemiptera |
1.00 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera |
4.90 % | zoobenthos | insects | insects | adults | Homoptera | Homoptera |
11.10 % | zoobenthos | insects | insects | adults | Hymenoptera | Hymenoptera |
27.60 % | zoobenthos | insects | insects | adults | Diptera | Diptera |