Main Ref. | Thorman, S. and A.-M. Wiederholm, 1986 | ||
Fish stage | juv./adults | Mean length | 20.00 TL |
Sample size | 28 | Percent empty | 10.7 |
Country | Sweden | Locality | Gräsö Is, south Bothnian Sea, 1982 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
1.33 % | zoobenthos | benth. crust. | amphipods | juv./adults | Corophiidae | Corophiidae |
49.33 % | zoobenthos | insects | insects | pupae | Chironomidae | Chironomidae larvae (14) & pupae (23) |
20.00 % | zooplankton | plank. crust. | mysids | juv./adults | mysids | |
29.33 % | zooplankton | other plank. Invertebrates | n.a./other plank. invertebrates | juv./adults | plank. invertebrates |