Main Ref. | Rondorf, D.W., G.A. Gray and R.B. Fairley, 1990 | ||
Fish stage | recruits/juv. | Mean length | 50.00 FL |
Sample size | 64 | Percent empty | |
Country | Locality | Littoral zone of the midreservoir reach of Lake Wallula on the Columbia River, 1 | |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
29.10 % | zoobenthos | benth. crust. | amphipods | juv./adults | Amphipoda | Amphipoda |
0.90 % | zooplankton | plank. crust. | cladocerans | juv./adults | Cladocera | Cladocera |
0.20 % | zoobenthos | insects | insects | adults | Ephemeroptera | Ephemeroptera |
2.40 % | zoobenthos | insects | insects | adults | Hemiptera | Hemiptera |
2.80 % | zoobenthos | insects | insects | adults | Hymenoptera | Hymenoptera |
7.80 % | zoobenthos | insects | insects | adults | Trichoptera | Trichoptera |
23.00 % | zoobenthos | insects | insects | adults | Homoptera | Homoptera |
33.80 % | zoobenthos | insects | insects | adults | Diptera | Diptera |