Main Ref. | Wurtsbaugh, W.A., R.W. Brocksen and C.R. Goldman, 1975 | ||
Fish stage | recruits/juv. | Mean length | 6.00 TL |
Sample size | 136 | Percent empty | |
Country | USA | Locality | Castle Lake, 1969 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
0.60 % | zooplankton | plank. crust. | cladocerans | juv./adults | Eurycercus | Eurycercus |
15.00 % | zooplankton | plank. crust. | cladocerans | juv./adults | Daphnia | 8.9% Daphnia, Holopedium |
69.50 % | zoobenthos | insects | insects | nymphs | Ephemeroptera | 64.4% Ephemeroptera nymphs, 3.2% Chironomidae pupae, 0.8% Chironomidae larvae, 1% Trichoptera |
14.90 % | others | others | n.a./others | n.a./others | Diptera | terrestrial insects: 7.2% Diptera, 5.5% Hymenoptera, 0.6% Thysanoptera, 0.8% Coleoptera, 0.4% Homoptera, 0.4% Arachnida |