Main Ref. | Johnson, J.H. and D.S. Dropkin, 1995 | ||
Fish stage | juv./adults | Mean length | 6.10 TL |
Sample size | 35 | Percent empty | 6 |
Country | USA | Locality | Juniata River, Pennsylvania, 1990 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
5.70 % | zoobenthos | benth. crust. | amphipods | juv./adults | amphipods | |
1.80 % | zoobenthos | insects | insects | nymphs | insects | misc. aquatic insects |
2.80 % | zoobenthos | insects | insects | nymphs | Heptageniidae | Heptageniidae |
2.80 % | zoobenthos | insects | insects | nymphs | Hydropsychidae | Hydropsychidae |
5.10 % | zoobenthos | insects | insects | nymphs | Chironomidae | Chironomidae |
10.20 % | zoobenthos | insects | insects | nymphs | Ephemeroptera | Ephemeroptera |
65.90 % | zoobenthos | insects | insects | nymphs | Baetidae | Baetidae |
5.70 % | others | others | n.a./others | n.a./others | insects | misc. terrestrial insects |