Main Ref. | Poe, T.P., H.C. Hansel, S. Vigg, D.E. Palmer and L.A. Predergast, 1991 | ||
Fish stage | recruits/juv. | Mean length | 48.10 FL |
Sample size | 1051 | Percent empty | 50 |
Country | USA | Locality | John Day Reservoir, Columbia River Basin, April-August, 1983-1986 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
0.10 % | nekton | finfish | bony fish | juv./adults | Ictaluridae | Ictaluridae |
11.58 % | nekton | finfish | bony fish | juv./adults | Cyprinidae | Cyprinidae |
13.83 % | nekton | finfish | bony fish | juv./adults | Salmonidae | Salmonidae |
16.29 % | nekton | finfish | bony fish | juv./adults | Cottidae | Cottidae |
17.11 % | nekton | finfish | bony fish | juv./adults | Percopsidae | Percopsidae |
41.09 % | nekton | finfish | bony fish | juv./adults | Catostomidae | Catostomidae |