Main Ref. | Weatherly, N.S., 1987 | ||
Fish stage | recruits/juv. | Mean length | 3.10 FL |
Sample size | 20 | 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 |
---|---|---|---|---|---|---|
10.70 % | plants | other plants | benthic algae/weeds | n.a./others | algae | 10.5% algae |
22.83 % | detritus | detritus | debris | n.a./others | detritus | 22.4% detritus |
3.47 % | plants | phytoplankton | diatoms | n.a./others | Diatomaceae | 3.4% Diatomaceae |
8.15 % | zoobenthos | insects | insects | larvae | Chironomidae larvae | 8% Chironomidae larvae |
29.00 % | zoobenthos | insects | insects | larvae | aerial insects | 28.9% aerial insects |
25.80 % | zoobenthos | insects | insects | pupae | Chironomidae pupae | 24.8% Chironomidae pupae |
0.10 % | zooplankton | plank. crust. | plank. copepods | adults | copepod adults | 0.1% copepod adults |