Main Ref. | Weatherly, N.S., 1987 | ||
Fish stage | recruits/juv. | Mean length | 4.60 FL |
Sample size | 30 | Percent empty | |
Country | UK | Locality | 126 m stretch on west bank of River Dee, 3.9 km upstream of Chester weir, 1982 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
11.02 % | detritus | detritus | debris | n.a./others | detritus | 10.5% detritus |
19.60 % | zoobenthos | insects | insects | larvae | Chironomid larvae | 18.5% Chironomid larvae |
53.81 % | zoobenthos | insects | insects | larvae | insects | 50.8% aerial insects |
8.58 % | zoobenthos | insects | insects | pupae | Chironomidae | 8.1% Chironomidae |
6.67 % | zoobenthos | worms | non-annelids | juv./adults | Tubificidae | 6.3% Tubificidae |
0.32 % | zooplankton | plank. crust. | plank. copepods | larvae | nauplii | 0.3% nauplii |