Main Ref. | Greger, P.D. and J.E. Deacon, 1987 | ||
Fish stage | juv./adults | Mean length | NG |
Sample size | 10 | Percent empty | 0 |
Country | USA | Locality | Virgin River, Arizona, June 1980. |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
2.50 % | detritus | detritus | debris | n.a./others | debris | |
5.00 % | zoobenthos | insects | insects | adults | Insecta | unid. Insecta |
52.30 % | zoobenthos | insects | insects | adults | Hydropsyche | Hydropsyche |
8.10 % | zoobenthos | insects | insects | larvae | Chironomid | Chironomid larvae |
12.60 % | zoobenthos | insects | insects | larvae | Simuliidae | Simuliid larvae |
19.50 % | zoobenthos | insects | insects | larvae | Ephemeroptera | Ephemeroptera larvae |