Main Ref. | Thorman, S. and A.-M. Wiederholm, 1986 | ||
Fish stage | juv./adults | Mean length | 5.00 TL |
Sample size | 82 | Percent empty | 5 |
Country | Sweden | Locality | Gräsö I., south Bothnian Sea, 1982 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
7.00 % | zoobenthos | benth. crust. | amphipods | juv./adults | Gammaridae | 2% Gammaridae, 1% Corophiidae |
45.00 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae larvae |
3.00 % | zooplankton | plank. crust. | mysids | juv./adults | mysids | |
44.00 % | zooplankton | other plank. Invertebrates | n.a./other plank. invertebrates | juv./adults | plank. invertebrates | |
1.00 % | zoobenthos | worms | polychaetes | juv./adults | polychaetes |