Main Ref. | Johnson, J.H. and D.S. Dropkin, 1995 | ||
Fish stage | juv./adults | Mean length | 6.20 TL |
Sample size | 39 | Percent empty | 38 |
Country | USA | Locality | Juniata River, Pennsylvania, 1990 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
6.30 % | detritus | detritus | debris | n.a./others | debris | |
2.50 % | zoobenthos | insects | insects | nymphs | Chironomidae | Chironomidae |
10.10 % | zoobenthos | insects | insects | nymphs | insects | misc. aquatic insects |
10.20 % | zoobenthos | insects | insects | nymphs | Hydropsychidae | Hydropsychidae |
70.90 % | others | others | n.a./others | n.a./others | insects | misc. terrestrial insects |