Main Ref. | Rondorf, D.W., G.A. Gray and R.B. Fairley, 1990 | ||
Fish stage | recruits/juv. | Mean length | 10.40 FL |
Sample size | 104 | Percent empty | |
Country | Locality | Forebay reach of Lake Wallula on the Columbia River, 1980 | |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
0.40 % | zoobenthos | benth. crust. | amphipods | juv./adults | Amphipoda | Amphipoda |
20.60 % | zooplankton | plank. crust. | cladocerans | juv./adults | Cladocera | Cladocera |
0.50 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera |
0.80 % | zoobenthos | insects | insects | adults | Ephemeroptera | Ephemeroptera |
3.50 % | zoobenthos | insects | insects | adults | Hemiptera | Hemiptera |
9.70 % | zoobenthos | insects | insects | adults | Homoptera | Homoptera |
27.70 % | zoobenthos | insects | insects | adults | Diptera | Diptera |
36.80 % | zoobenthos | insects | insects | adults | Hymenoptera | Hymenoptera |