Main Ref. | Johnson, J.H. and D.S. Dropkin, 1995 | ||
Fish stage | adults | Mean length | 5.00 TL |
Sample size | 35 | Percent empty | 26 |
Country | USA | Locality | Juniata River, Pennsylvania, 1990 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
3.10 % | zoobenthos | insects | insects | nymphs | insects | misc. aquatic insects |
4.30 % | zoobenthos | insects | insects | nymphs | Ephemeroptera | Ephemeroptera |
8.30 % | zoobenthos | insects | insects | nymphs | Ephemeridae | Ephemeridae |
8.30 % | zoobenthos | insects | insects | nymphs | Heptageniidae | Heptageniidae |
76.00 % | zoobenthos | insects | insects | nymphs | Baetidae | Baetidae |