Main Ref. | George, E.L. and W.F. Hadley, 1979 | ||
Fish stage | recruits/juv. | Mean length | 1.30 TL |
Sample size | 19 | 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 |
---|---|---|---|---|---|---|
10.00 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammarus | Gammarus |
11.00 % | zoobenthos | benth. crust. | benth. copepods | juv./adults | benth. copepods | |
1.00 % | zooplankton | plank. crust. | cladocerans | juv./adults | Daphnia | Daphnia |
3.00 % | zoobenthos | insects | insects | larvae | Chironomid | Chironomid larva |
73.00 % | zoobenthos | insects | insects | nymphs | mayfly nymph | 75% mayfly nymph |
2.00 % | zoobenthos | worms | n.a./other annelids | juv./adults | Oligochaeta | Oligochaetes |