Main Ref. | George, E.L. and W.F. Hadley, 1979 | ||
Fish stage | juv./adults | Mean length | 6.80 TL |
Sample size | 33 | Percent empty | 0 |
Country | USA | Locality | Upper Niagara River, New York, 1977 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
8.00 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammarus | Gammarus |
20.00 % | nekton | finfish | bony fish | juv./adults | bony fish | |
71.00 % | zoobenthos | insects | insects | larvae | Caddisfly | Caddis fly |
1.00 % | zoobenthos | insects | insects | nymphs | insects |